#1A72F8

Closest named color: Cerulean Blue (#056EEE). oklch(58.4% 0.216 259.7), rgb(26, 114, 248).

Aa

Black text reads best on this color (4.80:1).

About this color

#1A72F8 is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.216 and its hue 260°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.020 away. Black text reads best on it, at 4.80:1.

Hue familyBlues
Lightnessmedium-dark (58%)
Chromavivid (0.216)
Temperaturecool
Nearest nameCerulean Blue (#056EEE)
Black text4.80:1
White text4.36:1

Values

HEX#1A72F8
RGBrgb(26, 114, 248)
HSLhsl(216, 94%, 54%)
OKLCHoklch(58.4% 0.216 259.7)

Contrast

WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.

PairWCAG 2ResultAPCAAPCA guidance
White text on #1A72F8 4.36:1 AA large text Lc -75.0 Content text, not long reading
Black text on #1A72F8 4.80:1 AA Lc 34.6 Non-text elements, placeholder text
#1A72F8 text on white 4.36:1 AA large text Lc 69.5 Content text, not long reading
#1A72F8 text on black 4.80:1 AA Lc -32.2 Non-text elements, placeholder text

Tints and shades

A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 600.

  1. Step 50

    50

    #F0F6FE

    oklch(97.1% 0.012 255.5)

  2. Step 100

    100

    #DFEBFD

    oklch(93.6% 0.028 258.4)

  3. Step 200

    200

    #C5DBFE

    oklch(88.6% 0.054 259.7)

  4. Step 300

    300

    #9CC2FF

    oklch(80.9% 0.096 259.7)

  5. Step 400

    400

    #659FFF

    oklch(70.6% 0.154 260)

  6. Step 500

    500

    #3783FF

    oklch(63% 0.199 259.9)

  7. Step 600

    600 (this color)

    #1A72F8

    oklch(58.4% 0.216 259.7)

  8. Step 700

    700

    #0057CE

    oklch(49.2% 0.198 259.7)

  9. Step 800

    800

    #0547A8

    oklch(42.7% 0.167 259.9)

  10. Step 900

    900

    #103D85

    oklch(37.7% 0.13 259.9)

  11. Step 950

    950

    #0B254E

    oklch(27.1% 0.082 259.4)

Export this scale for Tailwind in the Tailwind colors tool

#1A72F8 with color blindness

Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.

VisionSeen asShift (ΔE)
Protanopia (no red cones)#0083FD0.041
Deuteranopia (no green cones)#0070F50.010
Tritanopia (no blue cones)#0094AA0.165
Achromatopsia (no color)#7979790.216

Harmonies

Hue rotations in OKLCH that keep this color's lightness and chroma.

Complementary

The opposite hue (180°).

  • #1A72F8

    #1A72F8

    oklch(58.4% 0.216 259.7)

  • #A17200

    #A17200

    oklch(58.5% 0.121 79.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #1A72F8

    #1A72F8

    oklch(58.4% 0.216 259.7)

  • #0087B2

    #0087B2

    oklch(58.3% 0.116 229.6)

  • #7F58EF

    #7F58EF

    oklch(58.4% 0.216 289.9)

Open the analogous palette in the generator

Split complementary

The two hues beside the complement (150° and 210°).

  • #1A72F8

    #1A72F8

    oklch(58.4% 0.216 259.7)

  • #C15900

    #C15900

    oklch(58.4% 0.155 49.7)

  • #818100

    #818100

    oklch(58.4% 0.127 109.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #1A72F8

    #1A72F8

    oklch(58.4% 0.216 259.7)

  • #DE2443

    #DE2443

    oklch(58.3% 0.216 19.6)

  • #2E9400

    #2E9400

    oklch(58.5% 0.187 139.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #1A72F8

    #1A72F8

    oklch(58.4% 0.216 259.7)

  • #D02B8E

    #D02B8E

    oklch(58.4% 0.216 349.6)

  • #A17200

    #A17200

    oklch(58.5% 0.121 79.9)

  • #009170

    #009170

    oklch(58.4% 0.116 169.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #1A72F8, closest first.

No curated palette has a color within ΔE 0.04 of #1A72F8.

Similar named colors

The eight closest entries in our named color list, with their ΔE distance.

Use #1A72F8 in your product

Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.