#254366

Closest named color: Dark Grey Blue (#29465B). oklch(37.7% 0.07 253.4), rgb(37, 67, 102).

Aa

White text reads best on this color (10.12:1).

About this color

#254366 is a dark, moderately saturated blue. In OKLCH its lightness is 38%, its chroma 0.070 and its hue 253°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.024 away. White text reads best on it, at 10.12:1.

Hue familyBlues
Lightnessdark (38%)
Chromamoderately saturated (0.070)
Temperaturecool
Nearest nameDark Grey Blue (#29465B)
Black text2.07:1
White text10.12:1

Values

HEX#254366
RGBrgb(37, 67, 102)
HSLhsl(212, 47%, 27%)
OKLCHoklch(37.7% 0.07 253.4)

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 #254366 10.12:1 AAA Lc -97.5 Preferred for body text
Black text on #254366 2.07:1 Fails Lc 10.6 Not readable
#254366 text on white 10.12:1 AAA Lc 93.4 Preferred for body text
#254366 text on black 2.07:1 Fails Lc -9.1 Not readable

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 900.

  1. Step 50

    50

    #F2F6FA

    oklch(97.1% 0.007 247.9)

  2. Step 100

    100

    #E3EBF4

    oklch(93.7% 0.015 251.2)

  3. Step 200

    200

    #CCDBED

    oklch(88.6% 0.03 253)

  4. Step 300

    300

    #A9C3E3

    oklch(80.8% 0.054 253.8)

  5. Step 400

    400

    #7BA4D4

    oklch(70.7% 0.084 252.9)

  6. Step 500

    500

    #598CC9

    oklch(63% 0.108 253.7)

  7. Step 600

    600

    #3D75B6

    oklch(55.5% 0.118 253.6)

  8. Step 700

    700

    #2F629D

    oklch(49.1% 0.11 253.7)

  9. Step 800

    800

    #28507F

    oklch(42.6% 0.091 253.9)

  10. Step 900

    900 (this color)

    #254366

    oklch(37.7% 0.07 253.4)

  11. Step 950

    950

    #16273C

    oklch(26.9% 0.046 254.4)

Export this scale for Tailwind in the Tailwind colors tool

#254366 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)#3445670.021
Deuteranopia (no green cones)#2C3F650.014
Tritanopia (no blue cones)#004B500.058
Achromatopsia (no color)#4242420.070

Harmonies

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

Complementary

The opposite hue (180°).

  • #254366

    #254366

    oklch(37.7% 0.07 253.4)

  • #583B0F

    #583B0F

    oklch(37.7% 0.07 73.2)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #254366

    #254366

    oklch(37.7% 0.07 253.4)

  • #00495D

    #00495D

    oklch(37.7% 0.071 223.8)

  • #3D3C66

    #3D3C66

    oklch(37.7% 0.071 283.5)

Open the analogous palette in the generator

Split complementary

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

  • #254366

    #254366

    oklch(37.7% 0.07 253.4)

  • #603421

    #603421

    oklch(37.6% 0.07 43.6)

  • #48430E

    #48430E

    oklch(37.7% 0.071 103.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #254366

    #254366

    oklch(37.7% 0.07 253.4)

  • #613137

    #613137

    oklch(37.7% 0.069 13)

  • #324A21

    #324A21

    oklch(37.8% 0.071 133.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #254366

    #254366

    oklch(37.7% 0.07 253.4)

  • #5B324B

    #5B324B

    oklch(37.8% 0.069 343.6)

  • #583B0F

    #583B0F

    oklch(37.7% 0.07 73.2)

  • #134D37

    #134D37

    oklch(37.7% 0.07 163.6)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #254366, closest first.

Similar named colors

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

Use #254366 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.