#781100

Closest named color: Blood (#770001). oklch(36.9% 0.139 32.3), rgb(120, 17, 0).

Aa

White text reads best on this color (11.17:1).

About this color

#781100 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.139 and its hue 32°. Its hue sits on the warm side of the wheel. The nearest named color is Blood (#770001), ΔE 0.016 away. White text reads best on it, at 11.17:1.

Hue familyReds
Lightnessdark (37%)
Chromamoderately saturated (0.139)
Temperaturewarm
Nearest nameBlood (#770001)
Black text1.87:1
White text11.17:1

Values

HEX#781100
RGBrgb(120, 17, 0)
HSLhsl(9, 100%, 24%)
OKLCHoklch(36.9% 0.139 32.3)

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 #781100 11.17:1 AAA Lc -98.2 Preferred for body text
Black text on #781100 1.87:1 Fails Lc 9.7 Not readable
#781100 text on white 11.17:1 AAA Lc 94.2 Preferred for body text
#781100 text on black 1.87:1 Fails Lc -8.4 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

    #FFF2F0

    oklch(97.1% 0.014 28)

  2. Step 100

    100

    #FDE3DD

    oklch(93.5% 0.03 33.1)

  3. Step 200

    200

    #FDCCC1

    oklch(88.5% 0.058 32.8)

  4. Step 300

    300

    #FCA896

    oklch(80.9% 0.103 32.6)

  5. Step 400

    400

    #F6735A

    oklch(70.7% 0.166 32.4)

  6. Step 500

    500

    #EE4224

    oklch(63% 0.213 32.3)

  7. Step 600

    600

    #D22600

    oklch(55.7% 0.209 32.3)

  8. Step 700

    700

    #B11E00

    oklch(49% 0.184 32.2)

  9. Step 800

    800

    #931700

    oklch(42.7% 0.161 32.2)

  10. Step 900

    900 (this color)

    #781100

    oklch(36.9% 0.139 32.3)

  11. Step 950

    950

    #480F06

    oklch(26.9% 0.088 32.1)

Export this scale for Tailwind in the Tailwind colors tool

#781100 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)#342D000.148
Deuteranopia (no green cones)#4D43000.131
Tritanopia (no blue cones)#85000F0.032
Achromatopsia (no color)#3B3B3B0.140

Harmonies

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

Complementary

The opposite hue (180°).

  • #781100

    #781100

    oklch(36.9% 0.139 32.3)

  • #004853

    #004853

    oklch(36.9% 0.064 212)

Open the complementary palette in the generator

Analogous

Neighbouring hues, 30° either side.

  • #781100

    #781100

    oklch(36.9% 0.139 32.3)

  • #750C39

    #750C39

    oklch(37% 0.139 2.6)

  • #5E3300

    #5E3300

    oklch(36.8% 0.085 62)

Open the analogous palette in the generator

Split complementary

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

  • #781100

    #781100

    oklch(36.9% 0.139 32.3)

  • #004B42

    #004B42

    oklch(37% 0.067 181.4)

  • #00446A

    #00446A

    oklch(37.1% 0.088 242.1)

Open the split complementary palette in the generator

Triadic

Three hues spaced 120° apart.

  • #781100

    #781100

    oklch(36.9% 0.139 32.3)

  • #004D24

    #004D24

    oklch(36.8% 0.096 152.2)

  • #293387

    #293387

    oklch(36.8% 0.139 272.4)

Open the triadic palette in the generator

Square

Four hues spaced 90° apart.

  • #781100

    #781100

    oklch(36.9% 0.139 32.3)

  • #384600

    #384600

    oklch(36.8% 0.089 121.7)

  • #004853

    #004853

    oklch(36.9% 0.064 212)

  • #4F257B

    #4F257B

    oklch(37% 0.14 302.4)

Open the square palette in the generator

Palettes with this color

Curated palettes that contain a color within ΔE 0.04 (OKLab) of #781100, closest first.

Similar named colors

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

Use #781100 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.