#28171E

Closest named color: Jet (#212529). oklch(23% 0.03 353.4), rgb(40, 23, 30).

Aa

White text reads best on this color (17.05:1).

About this color

#28171E is a very dark close to neutral grey. In OKLCH its lightness is 23%, its chroma 0.030. It has too little chroma to lean warm or cool. The nearest named color is Jet (#212529), ΔE 0.046 away. White text reads best on it, at 17.05:1.

Hue familyNeutrals
Lightnessvery dark (23%)
Chromaclose to neutral grey (0.030)
Temperatureneutral
Nearest nameJet (#212529)
Black text1.23:1
White text17.05:1

Values

HEX#28171E
RGBrgb(40, 23, 30)
HSLhsl(335, 27%, 12%)
OKLCHoklch(23% 0.03 353.4)

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 #28171E 17.05:1 AAA Lc -106.3 Preferred for body text
Black text on #28171E 1.23:1 Fails Lc 0.0 Not readable
#28171E text on white 17.05:1 AAA Lc 103.9 Preferred for body text
#28171E text on black 1.23:1 Fails Lc 0.0 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 950.

  1. Step 50

    50

    #F8F4F6

    oklch(97.1% 0.005 345.3)

  2. Step 100

    100

    #F0E7EA

    oklch(93.6% 0.011 354.9)

  3. Step 200

    200

    #E4D4DA

    oklch(88.5% 0.019 352.7)

  4. Step 300

    300

    #D4B8C2

    oklch(80.9% 0.035 354.3)

  5. Step 400

    400

    #BE92A3

    oklch(70.6% 0.057 353.6)

  6. Step 500

    500

    #AC778D

    oklch(63% 0.072 352.8)

  7. Step 600

    600

    #976077

    oklch(55.6% 0.078 353.2)

  8. Step 700

    700

    #814F64

    oklch(49.1% 0.073 353.4)

  9. Step 800

    800

    #694152

    oklch(42.8% 0.06 352.9)

  10. Step 900

    900

    #553744

    oklch(37.6% 0.047 352)

  11. Step 950

    950 (this color)

    #28171E

    oklch(23% 0.03 353.4)

Export this scale for Tailwind in the Tailwind colors tool

#28171E 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)#191A1E0.032
Deuteranopia (no green cones)#1D1D1E0.029
Tritanopia (no blue cones)#2B16190.011
Achromatopsia (no color)#1C1C1C0.030

Harmonies

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

Complementary

The opposite hue (180°).

  • #28171E

    #28171E

    oklch(23% 0.03 353.4)

  • #0C221C

    #0C221C

    oklch(23.2% 0.031 173.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28171E

    #28171E

    oklch(23% 0.03 353.4)

  • #241825

    #241825

    oklch(23% 0.03 323.9)

  • #291716

    #291716

    oklch(22.9% 0.029 23.1)

Open the analogous palette in the generator

Split complementary

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

  • #28171E

    #28171E

    oklch(23% 0.03 353.4)

  • #142114

    #142114

    oklch(23.1% 0.031 144.5)

  • #092123

    #092123

    oklch(23% 0.03 202.7)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28171E

    #28171E

    oklch(23% 0.03 353.4)

  • #1D1E0E

    #1D1E0E

    oklch(22.9% 0.028 111.5)

  • #0E1F29

    #0E1F29

    oklch(23% 0.03 235.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28171E

    #28171E

    oklch(23% 0.03 353.4)

  • #241C0C

    #241C0C

    oklch(23.1% 0.03 83.5)

  • #0C221C

    #0C221C

    oklch(23.2% 0.031 173.5)

  • #161D2B

    #161D2B

    oklch(23.1% 0.029 263.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28171E, closest first.

Similar named colors

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

Use #28171E 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.