#78181A

Closest named color: Maroon (#800000). oklch(37.7% 0.13 25.2), rgb(120, 24, 26).

Aa

White text reads best on this color (10.80:1).

About this color

#78181A is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.130 and its hue 25°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.026 away. White text reads best on it, at 10.80:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.130)
Temperaturewarm
Nearest nameMaroon (#800000)
Black text1.94:1
White text10.80:1

Values

HEX#78181A
RGBrgb(120, 24, 26)
HSLhsl(359, 67%, 28%)
OKLCHoklch(37.7% 0.13 25.2)

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 #78181A 10.80:1 AAA Lc -97.8 Preferred for body text
Black text on #78181A 1.94:1 Fails Lc 10.2 Not readable
#78181A text on white 10.80:1 AAA Lc 93.7 Preferred for body text
#78181A text on black 1.94:1 Fails Lc -8.8 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

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E0

    oklch(93.5% 0.028 25.9)

  3. Step 200

    200

    #FBCCC7

    oklch(88.5% 0.054 25.3)

  4. Step 300

    300

    #FAA8A1

    oklch(81% 0.098 24.8)

  5. Step 400

    400

    #F2746D

    oklch(70.6% 0.157 25.1)

  6. Step 500

    500

    #EA4746

    oklch(63.2% 0.2 25.3)

  7. Step 600

    600

    #D51527

    oklch(55.6% 0.217 25.2)

  8. Step 700

    700

    #B7001B

    oklch(49.1% 0.199 25.2)

  9. Step 800

    800

    #950A18

    oklch(42.6% 0.167 25.1)

  10. Step 900

    900 (this color)

    #78181A

    oklch(37.7% 0.13 25.2)

  11. Step 950

    950

    #471110

    oklch(27.1% 0.083 25.5)

Export this scale for Tailwind in the Tailwind colors tool

#78181A 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)#3530190.142
Deuteranopia (no green cones)#4D45160.130
Tritanopia (no blue cones)#85001A0.030
Achromatopsia (no color)#3D3D3D0.132

Harmonies

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

Complementary

The opposite hue (180°).

  • #78181A

    #78181A

    oklch(37.7% 0.13 25.2)

  • #004B52

    #004B52

    oklch(37.7% 0.064 205.5)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #78181A

    #78181A

    oklch(37.7% 0.13 25.2)

  • #721845

    #721845

    oklch(37.7% 0.13 355)

  • #663100

    #663100

    oklch(37.7% 0.094 54.7)

Open the analogous palette in the generator

Split complementary

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

  • #78181A

    #78181A

    oklch(37.7% 0.13 25.2)

  • #004E40

    #004E40

    oklch(37.9% 0.071 175.3)

  • #004766

    #004766

    oklch(37.6% 0.081 235.8)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #78181A

    #78181A

    oklch(37.7% 0.13 25.2)

  • #005112

    #005112

    oklch(37.8% 0.118 145.3)

  • #1F3B86

    #1F3B86

    oklch(37.8% 0.13 265.2)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #78181A

    #78181A

    oklch(37.7% 0.13 25.2)

  • #404600

    #404600

    oklch(37.6% 0.085 115.2)

  • #004B52

    #004B52

    oklch(37.7% 0.064 205.5)

  • #492D7E

    #492D7E

    oklch(37.7% 0.131 295.3)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #78181A, closest first.

Similar named colors

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

Use #78181A 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.