#2A7EAB

Closest named color: Nice Blue (#107AB0). oklch(56.4% 0.105 236.7), rgb(42, 126, 171).

Aa

Black text reads best on this color (4.67:1).

About this color

#2A7EAB is a medium-dark, moderately saturated blue. In OKLCH its lightness is 56%, its chroma 0.105 and its hue 237°. Its hue sits on the cool side of the wheel. The nearest named color is Nice Blue (#107AB0), ΔE 0.020 away. Black text reads best on it, at 4.67:1.

Hue familyBlues
Lightnessmedium-dark (56%)
Chromamoderately saturated (0.105)
Temperaturecool
Nearest nameNice Blue (#107AB0)
Black text4.67:1
White text4.49:1

Values

HEX#2A7EAB
RGBrgb(42, 126, 171)
HSLhsl(201, 61%, 42%)
OKLCHoklch(56.4% 0.105 236.7)

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 #2A7EAB 4.49:1 AA large text Lc -76.4 Fine for body text
Black text on #2A7EAB 4.67:1 AA Lc 33.2 Non-text elements, placeholder text
#2A7EAB text on white 4.49:1 AA large text Lc 70.9 Content text, not long reading
#2A7EAB text on black 4.67:1 AA Lc -30.8 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

    #F2F6F9

    oklch(97.1% 0.006 239.8)

  2. Step 100

    100

    #E2EBF2

    oklch(93.5% 0.014 241)

  3. Step 200

    200

    #CADCE9

    oklch(88.5% 0.026 239.1)

  4. Step 300

    300

    #A5C6DC

    oklch(81% 0.047 237.4)

  5. Step 400

    400

    #72A8CA

    oklch(70.7% 0.076 236.9)

  6. Step 500

    500

    #4A92BC

    oklch(63.1% 0.096 236.6)

  7. Step 600

    600 (this color)

    #2A7EAB

    oklch(56.4% 0.105 236.7)

  8. Step 700

    700

    #186891

    oklch(49.1% 0.098 237)

  9. Step 800

    800

    #185575

    oklch(42.7% 0.08 236.4)

  10. Step 900

    900

    #1B465F

    oklch(37.6% 0.064 237.4)

  11. Step 950

    950

    #112937

    oklch(26.9% 0.04 236.4)

Export this scale for Tailwind in the Tailwind colors tool

#2A7EAB 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)#687EAD0.060
Deuteranopia (no green cones)#5771AA0.051
Tritanopia (no blue cones)#008A8D0.069
Achromatopsia (no color)#7777770.105

Harmonies

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

Complementary

The opposite hue (180°).

  • #2A7EAB

    #2A7EAB

    oklch(56.4% 0.105 236.7)

  • #A46432

    #A46432

    oklch(56.4% 0.105 56.4)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #2A7EAB

    #2A7EAB

    oklch(56.4% 0.105 236.7)

  • #008592

    #008592

    oklch(56.4% 0.097 206.8)

  • #5973B3

    #5973B3

    oklch(56.4% 0.104 266.3)

Open the analogous palette in the generator

Split complementary

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

  • #2A7EAB

    #2A7EAB

    oklch(56.4% 0.105 236.7)

  • #AB5B54

    #AB5B54

    oklch(56.4% 0.106 26.2)

  • #90711D

    #90711D

    oklch(56.4% 0.105 87.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #2A7EAB

    #2A7EAB

    oklch(56.4% 0.105 236.7)

  • #A65A77

    #A65A77

    oklch(56.5% 0.105 356.7)

  • #727D2D

    #727D2D

    oklch(56.4% 0.105 116.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #2A7EAB

    #2A7EAB

    oklch(56.4% 0.105 236.7)

  • #965F96

    #965F96

    oklch(56.5% 0.104 326.8)

  • #A46432

    #A46432

    oklch(56.4% 0.105 56.4)

  • #488650

    #488650

    oklch(56.4% 0.105 146.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #2A7EAB, closest first.

Similar named colors

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

Use #2A7EAB 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.