#88181D

Closest named color: Dark Red (#8B0000). oklch(40.9% 0.146 24.8), rgb(136, 24, 29).

Aa

White text reads best on this color (9.56:1).

About this color

#88181D is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.146 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.023 away. White text reads best on it, at 9.56:1.

Hue familyReds
Lightnessdark (41%)
Chromavivid (0.146)
Temperaturewarm
Nearest nameDark Red (#8B0000)
Black text2.19:1
White text9.56:1

Values

HEX#88181D
RGBrgb(136, 24, 29)
HSLhsl(357, 70%, 31%)
OKLCHoklch(40.9% 0.146 24.8)

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 #88181D 9.56:1 AAA Lc -95.1 Preferred for body text
Black text on #88181D 2.19:1 Fails Lc 13.3 Not readable
#88181D text on white 9.56:1 AAA Lc 90.7 Preferred for body text
#88181D text on black 2.19:1 Fails Lc -11.7 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 800.

  1. Step 50

    50

    #FDF3F2

    oklch(97.2% 0.011 24.3)

  2. Step 100

    100

    #FAE4E2

    oklch(93.6% 0.024 23.9)

  3. Step 200

    200

    #F7CECA

    oklch(88.5% 0.047 24.6)

  4. Step 300

    300

    #F3ABA5

    oklch(80.8% 0.086 24.5)

  5. Step 400

    400

    #EA7C75

    oklch(70.8% 0.137 24.9)

  6. Step 500

    500

    #E05451

    oklch(63.2% 0.176 24.7)

  7. Step 600

    600

    #CB3135

    oklch(55.6% 0.19 24.8)

  8. Step 700

    700

    #AF2128

    oklch(49.1% 0.177 24.7)

  9. Step 800

    800 (this color)

    #88181D

    oklch(40.9% 0.146 24.8)

  10. Step 900

    900

    #722121

    oklch(37.6% 0.114 24.4)

  11. Step 950

    950

    #431514

    oklch(27% 0.072 24.4)

Export this scale for Tailwind in the Tailwind colors tool

#88181D 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)#3C361C0.159
Deuteranopia (no green cones)#574E180.146
Tritanopia (no blue cones)#96001B0.030
Achromatopsia (no color)#4545450.148

Harmonies

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

Complementary

The opposite hue (180°).

  • #88181D

    #88181D

    oklch(40.9% 0.146 24.8)

  • #00555C

    #00555C

    oklch(41% 0.07 204.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #88181D

    #88181D

    oklch(40.9% 0.146 24.8)

  • #81184E

    #81184E

    oklch(40.8% 0.147 354.8)

  • #723800

    #723800

    oklch(40.8% 0.101 55.2)

Open the analogous palette in the generator

Split complementary

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

  • #88181D

    #88181D

    oklch(40.9% 0.146 24.8)

  • #005747

    #005747

    oklch(40.8% 0.077 174.6)

  • #005172

    #005172

    oklch(41% 0.086 234.5)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #88181D

    #88181D

    oklch(40.9% 0.146 24.8)

  • #005B13

    #005B13

    oklch(40.9% 0.129 144.8)

  • #214298

    #214298

    oklch(40.9% 0.146 264.7)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #88181D

    #88181D

    oklch(40.9% 0.146 24.8)

  • #494F00

    #494F00

    oklch(40.8% 0.092 114.7)

  • #00555C

    #00555C

    oklch(41% 0.07 204.5)

  • #52328F

    #52328F

    oklch(40.8% 0.146 294.9)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #88181D, closest first.

Similar named colors

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

Use #88181D 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.