#78183A

Closest named color: Bordeaux (#7B002C). oklch(38.4% 0.132 5), rgb(120, 24, 58).

Aa

White text reads best on this color (10.55:1).

About this color

#78183A is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.132 and its hue 5°. Its hue sits on the warm side of the wheel. The nearest named color is Bordeaux (#7B002C), ΔE 0.026 away. White text reads best on it, at 10.55:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.132)
Temperaturewarm
Nearest nameBordeaux (#7B002C)
Black text1.99:1
White text10.55:1

Values

HEX#78183A
RGBrgb(120, 24, 58)
HSLhsl(339, 67%, 28%)
OKLCHoklch(38.4% 0.132 5)

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 #78183A 10.55:1 AAA Lc -97.4 Preferred for body text
Black text on #78183A 1.99:1 Fails Lc 10.7 Not readable
#78183A text on white 10.55:1 AAA Lc 93.3 Preferred for body text
#78183A text on black 1.99:1 Fails Lc -9.2 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

    #FEF2F4

    oklch(97.1% 0.013 5.8)

  2. Step 100

    100

    #FCE2E7

    oklch(93.5% 0.029 4.5)

  3. Step 200

    200

    #FACBD4

    oklch(88.5% 0.054 5.4)

  4. Step 300

    300

    #F8A6B8

    oklch(81% 0.099 5.2)

  5. Step 400

    400

    #EF7193

    oklch(70.6% 0.158 5)

  6. Step 500

    500

    #E64379

    oklch(63.2% 0.202 5.1)

  7. Step 600

    600

    #D10B62

    oklch(55.6% 0.22 5)

  8. Step 700

    700

    #B20052

    oklch(49.1% 0.197 4.8)

  9. Step 800

    800

    #920442

    oklch(42.6% 0.169 5.1)

  10. Step 900

    900 (this color)

    #78183A

    oklch(38.4% 0.132 5)

  11. Step 950

    950

    #450F21

    oklch(26.9% 0.084 4.5)

Export this scale for Tailwind in the Tailwind colors tool

#78183A 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)#30333B0.148
Deuteranopia (no green cones)#4946380.135
Tritanopia (no blue cones)#8300270.035
Achromatopsia (no color)#3F3F3F0.133

Harmonies

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

Complementary

The opposite hue (180°).

  • #78183A

    #78183A

    oklch(38.4% 0.132 5)

  • #004F48

    #004F48

    oklch(38.4% 0.068 184.7)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #78183A

    #78183A

    oklch(38.4% 0.132 5)

  • #6B1F5F

    #6B1F5F

    oklch(38.4% 0.133 334.8)

  • #7A1D03

    #7A1D03

    oklch(38.4% 0.132 35)

Open the analogous palette in the generator

Split complementary

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

  • #78183A

    #78183A

    oklch(38.4% 0.132 5)

  • #00522C

    #00522C

    oklch(38.5% 0.095 155)

  • #004C5A

    #004C5A

    oklch(38.4% 0.068 215.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #78183A

    #78183A

    oklch(38.4% 0.132 5)

  • #384C00

    #384C00

    oklch(38.5% 0.097 125)

  • #004773

    #004773

    oklch(38.4% 0.097 244.9)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #78183A

    #78183A

    oklch(38.4% 0.132 5)

  • #514200

    #514200

    oklch(38.4% 0.079 94.3)

  • #004F48

    #004F48

    oklch(38.4% 0.068 184.7)

  • #323888

    #323888

    oklch(38.5% 0.132 275.1)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #78183A, closest first.

Similar named colors

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

Use #78183A 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.