#3472ED

Closest named color: Cerulean Blue (#056EEE). oklch(58.2% 0.197 262.1), rgb(52, 114, 237).

Aa

Black text reads best on this color (4.77:1).

About this color

#3472ED is a medium-dark, vivid blue. In OKLCH its lightness is 58%, its chroma 0.197 and its hue 262°. Its hue sits on the cool side of the wheel. The nearest named color is Cerulean Blue (#056EEE), ΔE 0.025 away. Black text reads best on it, at 4.77:1.

Hue familyBlues
Lightnessmedium-dark (58%)
Chromavivid (0.197)
Temperaturecool
Nearest nameCerulean Blue (#056EEE)
Black text4.77:1
White text4.39:1

Values

HEX#3472ED
RGBrgb(52, 114, 237)
HSLhsl(220, 84%, 57%)
OKLCHoklch(58.2% 0.197 262.1)

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 #3472ED 4.39:1 AA large text Lc -75.4 Fine for body text
Black text on #3472ED 4.77:1 AA Lc 34.1 Non-text elements, placeholder text
#3472ED text on white 4.39:1 AA large text Lc 69.9 Content text, not long reading
#3472ED text on black 4.77:1 AA Lc -31.7 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

    #F1F6FE

    oklch(97.2% 0.012 259.8)

  2. Step 100

    100

    #E1EAFC

    oklch(93.6% 0.026 264.4)

  3. Step 200

    200

    #C8DAFB

    oklch(88.5% 0.05 262.6)

  4. Step 300

    300

    #A2C1FA

    oklch(80.9% 0.088 262.4)

  5. Step 400

    400

    #6F9FF8

    oklch(70.7% 0.141 261.9)

  6. Step 500

    500

    #4984F5

    oklch(63.2% 0.18 261.9)

  7. Step 600

    600 (this color)

    #3472ED

    oklch(58.2% 0.197 262.1)

  8. Step 700

    700

    #2057C6

    oklch(49.1% 0.183 262.2)

  9. Step 800

    800

    #1C48A0

    oklch(42.7% 0.151 262.1)

  10. Step 900

    900

    #1C3D7F

    oklch(37.6% 0.119 262.3)

  11. Step 950

    950

    #11254A

    oklch(27.1% 0.074 261.5)

Export this scale for Tailwind in the Tailwind colors tool

#3472ED 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)#1881F10.037
Deuteranopia (no green cones)#0070EB0.023
Tritanopia (no blue cones)#0090A50.152
Achromatopsia (no color)#7878780.197

Harmonies

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

Complementary

The opposite hue (180°).

  • #3472ED

    #3472ED

    oklch(58.2% 0.197 262.1)

  • #9E7200

    #9E7200

    oklch(58.1% 0.12 81.6)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #3472ED

    #3472ED

    oklch(58.2% 0.197 262.1)

  • #0086B5

    #0086B5

    oklch(58.2% 0.119 232.1)

  • #815BE3

    #815BE3

    oklch(58.1% 0.197 292)

Open the analogous palette in the generator

Split complementary

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

  • #3472ED

    #3472ED

    oklch(58.2% 0.197 262.1)

  • #BD5C00

    #BD5C00

    oklch(58.2% 0.149 52.3)

  • #7D8200

    #7D8200

    oklch(58.3% 0.129 112.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #3472ED

    #3472ED

    oklch(58.2% 0.197 262.1)

  • #D63542

    #D63542

    oklch(58.1% 0.197 21.9)

  • #0D9500

    #0D9500

    oklch(58.1% 0.196 142.1)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #3472ED

    #3472ED

    oklch(58.2% 0.197 262.1)

  • #CB3787

    #CB3787

    oklch(58.2% 0.197 352)

  • #9E7200

    #9E7200

    oklch(58.1% 0.12 81.6)

  • #009073

    #009073

    oklch(58.2% 0.113 171.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #3472ED, closest first.

Similar named colors

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

Use #3472ED 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.