#28111D

Closest named color: Rich Black (#0D1B2A). oklch(21.7% 0.043 348.7), rgb(40, 17, 29).

Aa

White text reads best on this color (17.67:1).

About this color

#28111D is a very dark, muted red. In OKLCH its lightness is 22%, its chroma 0.043 and its hue 349°. Its hue sits on the warm side of the wheel. The nearest named color is Rich Black (#0D1B2A), ΔE 0.059 away. White text reads best on it, at 17.67:1.

Hue familyReds
Lightnessvery dark (22%)
Chromamuted (0.043)
Temperaturewarm
Nearest nameRich Black (#0D1B2A)
Black text1.18:1
White text17.67:1

Values

HEX#28111D
RGBrgb(40, 17, 29)
HSLhsl(329, 40%, 11%)
OKLCHoklch(21.7% 0.043 348.7)

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 #28111D 17.67:1 AAA Lc -106.6 Preferred for body text
Black text on #28111D 1.18:1 Fails Lc 0.0 Not readable
#28111D text on white 17.67:1 AAA Lc 104.4 Preferred for body text
#28111D text on black 1.18:1 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

    #F9F4F6

    oklch(97.2% 0.006 350.8)

  2. Step 100

    100

    #F2E6EB

    oklch(93.6% 0.015 350.1)

  3. Step 200

    200

    #E8D2DC

    oklch(88.5% 0.028 348.4)

  4. Step 300

    300

    #DBB4C6

    oklch(81% 0.051 348.8)

  5. Step 400

    400

    #C78CA9

    oklch(70.7% 0.081 348.4)

  6. Step 500

    500

    #B76F94

    oklch(63.1% 0.102 348.3)

  7. Step 600

    600

    #A2567E

    oklch(55.6% 0.111 348.5)

  8. Step 700

    700

    #8B466A

    oklch(49.1% 0.104 349)

  9. Step 800

    800

    #713A57

    oklch(42.8% 0.086 348.5)

  10. Step 900

    900

    #5C3247

    oklch(37.7% 0.067 349.5)

  11. Step 950

    950 (this color)

    #28111D

    oklch(21.7% 0.043 348.7)

Export this scale for Tailwind in the Tailwind colors tool

#28111D 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)#13161D0.046
Deuteranopia (no green cones)#191A1C0.042
Tritanopia (no blue cones)#2B10150.016
Achromatopsia (no color)#1818180.043

Harmonies

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

Complementary

The opposite hue (180°).

  • #28111D

    #28111D

    oklch(21.7% 0.043 348.7)

  • #012016

    #012016

    oklch(21.7% 0.043 167.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #28111D

    #28111D

    oklch(21.7% 0.043 348.7)

  • #221326

    #221326

    oklch(21.6% 0.042 319)

  • #2B1112

    #2B1112

    oklch(21.8% 0.043 18.9)

Open the analogous palette in the generator

Split complementary

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

  • #28111D

    #28111D

    oklch(21.7% 0.043 348.7)

  • #0F1E0A

    #0F1E0A

    oklch(21.5% 0.042 138.3)

  • #001F20

    #001F20

    oklch(21.7% 0.037 197.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #28111D

    #28111D

    oklch(21.7% 0.043 348.7)

  • #1C1B02

    #1C1B02

    oklch(21.7% 0.043 107.4)

  • #001D29

    #001D29

    oklch(21.6% 0.042 228.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #28111D

    #28111D

    oklch(21.7% 0.043 348.7)

  • #241701

    #241701

    oklch(21.6% 0.043 79.7)

  • #012016

    #012016

    oklch(21.7% 0.043 167.9)

  • #0D1A2D

    #0D1A2D

    oklch(21.7% 0.042 257.8)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #28111D, closest first.

Similar named colors

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

Use #28111D 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.