#781B1F

Closest named color: Wine Red (#7B0323). oklch(38.1% 0.127 23.6), rgb(120, 27, 31).

Aa

White text reads best on this color (10.63:1).

About this color

#781B1F is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.127 and its hue 24°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.027 away. White text reads best on it, at 10.63:1.

Hue familyReds
Lightnessdark (38%)
Chromamoderately saturated (0.127)
Temperaturewarm
Nearest nameWine Red (#7B0323)
Black text1.97:1
White text10.63:1

Values

HEX#781B1F
RGBrgb(120, 27, 31)
HSLhsl(357, 63%, 29%)
OKLCHoklch(38.1% 0.127 23.6)

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 #781B1F 10.63:1 AAA Lc -97.6 Preferred for body text
Black text on #781B1F 1.97:1 Fails Lc 10.5 Not readable
#781B1F text on white 10.63:1 AAA Lc 93.5 Preferred for body text
#781B1F text on black 1.97:1 Fails Lc -9.0 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 900.

  1. Step 50

    50

    #FEF2F1

    oklch(97% 0.013 23.2)

  2. Step 100

    100

    #FCE3E1

    oklch(93.6% 0.028 23.2)

  3. Step 200

    200

    #FBCCC9

    oklch(88.5% 0.054 22.5)

  4. Step 300

    300

    #F8A8A3

    oklch(80.8% 0.095 23.3)

  5. Step 400

    400

    #F17672

    oklch(70.8% 0.152 23.6)

  6. Step 500

    500

    #E8494D

    oklch(63.1% 0.195 23.4)

  7. Step 600

    600

    #D31C30

    oklch(55.6% 0.212 23.5)

  8. Step 700

    700

    #B60322

    oklch(49% 0.197 23.6)

  9. Step 800

    800

    #940F1E

    oklch(42.7% 0.163 23.6)

  10. Step 900

    900 (this color)

    #781B1F

    oklch(38.1% 0.127 23.6)

  11. Step 950

    950

    #461112

    oklch(26.9% 0.081 23.4)

Export this scale for Tailwind in the Tailwind colors tool

#781B1F 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)#36321E0.139
Deuteranopia (no green cones)#4E461C0.127
Tritanopia (no blue cones)#84001D0.030
Achromatopsia (no color)#3E3E3E0.128

Harmonies

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

Complementary

The opposite hue (180°).

  • #781B1F

    #781B1F

    oklch(38.1% 0.127 23.6)

  • #004C52

    #004C52

    oklch(38% 0.065 203.9)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #781B1F

    #781B1F

    oklch(38.1% 0.127 23.6)

  • #721B48

    #721B48

    oklch(38.1% 0.128 353.4)

  • #683100

    #683100

    oklch(38% 0.096 53.7)

Open the analogous palette in the generator

Split complementary

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

  • #781B1F

    #781B1F

    oklch(38.1% 0.127 23.6)

  • #004F3F

    #004F3F

    oklch(38.1% 0.073 173.1)

  • #004966

    #004966

    oklch(38.2% 0.079 233.4)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #781B1F

    #781B1F

    oklch(38.1% 0.127 23.6)

  • #005208

    #005208

    oklch(38.1% 0.125 143.6)

  • #1D3D85

    #1D3D85

    oklch(38.1% 0.127 263.5)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #781B1F

    #781B1F

    oklch(38.1% 0.127 23.6)

  • #434700

    #434700

    oklch(38.1% 0.085 113.4)

  • #004C52

    #004C52

    oklch(38% 0.065 203.9)

  • #48307E

    #48307E

    oklch(38.1% 0.126 293.7)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #781B1F, closest first.

Similar named colors

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

Use #781B1F 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.