#28476D

Closest named color: Dark Grey Blue (#29465B). oklch(39.3% 0.075 254.4), rgb(40, 71, 109).

Aa

White text reads best on this color (9.49:1).

About this color

#28476D is a dark, moderately saturated blue. In OKLCH its lightness is 39%, its chroma 0.075 and its hue 254°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Grey Blue (#29465B), ΔE 0.031 away. White text reads best on it, at 9.49:1.

Hue familyBlues
Lightnessdark (39%)
Chromamoderately saturated (0.075)
Temperaturecool
Nearest nameDark Grey Blue (#29465B)
Black text2.21:1
White text9.49:1

Values

HEX#28476D
RGBrgb(40, 71, 109)
HSLhsl(213, 46%, 29%)
OKLCHoklch(39.3% 0.075 254.4)

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 #28476D 9.49:1 AAA Lc -96.1 Preferred for body text
Black text on #28476D 2.21:1 Fails Lc 12.1 Not readable
#28476D text on white 9.49:1 AAA Lc 91.8 Preferred for body text
#28476D text on black 2.21:1 Fails Lc -10.6 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

    #F2F6FB

    oklch(97.2% 0.008 253.9)

  2. Step 100

    100

    #E3EBF5

    oklch(93.7% 0.016 253.9)

  3. Step 200

    200

    #CCDBEE

    oklch(88.6% 0.031 254.3)

  4. Step 300

    300

    #A8C3E5

    oklch(80.9% 0.057 254.3)

  5. Step 400

    400

    #7AA3D8

    oklch(70.6% 0.09 255.1)

  6. Step 500

    500

    #578CCD

    oklch(63.1% 0.114 254.3)

  7. Step 600

    600

    #3B75BA

    oklch(55.7% 0.124 254.2)

  8. Step 700

    700

    #2D62A1

    oklch(49.2% 0.116 254.4)

  9. Step 800

    800

    #265082

    oklch(42.7% 0.096 254.3)

  10. Step 900

    900 (this color)

    #28476D

    oklch(39.3% 0.075 254.4)

  11. Step 950

    950

    #16273D

    oklch(27% 0.047 255.4)

Export this scale for Tailwind in the Tailwind colors tool

#28476D 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)#37496F0.021
Deuteranopia (no green cones)#2E436C0.013
Tritanopia (no blue cones)#0050550.063
Achromatopsia (no color)#4646460.075

Harmonies

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

Complementary

The opposite hue (180°).

  • #28476D

    #28476D

    oklch(39.3% 0.075 254.4)

  • #5D3F0E

    #5D3F0E

    oklch(39.3% 0.075 74.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28476D

    #28476D

    oklch(39.3% 0.075 254.4)

  • #004E63

    #004E63

    oklch(39.4% 0.074 223.7)

  • #413F6C

    #413F6C

    oklch(39.1% 0.075 284.4)

Open the analogous palette in the generator

Split complementary

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

  • #28476D

    #28476D

    oklch(39.3% 0.075 254.4)

  • #663722

    #663722

    oklch(39.1% 0.075 44.1)

  • #4C470E

    #4C470E

    oklch(39.1% 0.075 104.2)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28476D

    #28476D

    oklch(39.3% 0.075 254.4)

  • #683439

    #683439

    oklch(39.4% 0.074 15)

  • #344E23

    #344E23

    oklch(39.1% 0.074 134.3)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28476D

    #28476D

    oklch(39.3% 0.075 254.4)

  • #62344F

    #62344F

    oklch(39.3% 0.076 345)

  • #5D3F0E

    #5D3F0E

    oklch(39.3% 0.075 74.7)

  • #12523B

    #12523B

    oklch(39.2% 0.075 164.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28476D, closest first.

Similar named colors

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

Use #28476D 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.