#781B02
Closest named color: Chestnut (#742802). oklch(37.8% 0.131 34.7), rgb(120, 27, 2).
Aa
White text reads best on this color (10.73:1).
About this color
#781B02 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.131 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.023 away. White text reads best on it, at 10.73:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.131) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.95:1 |
| White text | 10.73:1 |
Values
| HEX | #781B02 |
| RGB | rgb(120, 27, 2) |
| HSL | hsl(13, 97%, 24%) |
| OKLCH | oklch(37.8% 0.131 34.7) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #781B02 | 10.73:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #781B02 | 1.95:1 | Fails | Lc 10.3 | Not readable |
| #781B02 text on white | 10.73:1 | AAA | Lc 93.6 | Preferred for body text |
| #781B02 text on black | 1.95:1 | Fails | Lc -8.9 | 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.
-
Step 50
50
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DD
oklch(93.6% 0.028 36.9)
-
Step 200
200
#FBCDC1
oklch(88.5% 0.055 35)
-
Step 300
300
#F9AA96
oklch(81% 0.098 34.8)
-
Step 400
400
#F2775A
oklch(70.7% 0.158 34.5)
-
Step 500
500
#E94B23
oklch(63.1% 0.201 34.8)
-
Step 600
600
#CC3200
oklch(55.5% 0.196 34.7)
-
Step 700
700
#AD2900
oklch(49.1% 0.173 34.7)
-
Step 800
800
#8F2000
oklch(42.7% 0.151 34.7)
-
Step 900
900 (this color)
#781B02
oklch(37.8% 0.131 34.7)
-
Step 950
950
#471206
oklch(27.1% 0.084 34.5)
#781B02 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.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #383100 | 0.138 |
| Deuteranopia (no green cones) | #4F4500 | 0.122 |
| Tritanopia (no blue cones) | #850017 | 0.040 |
| Achromatopsia (no color) | #3E3E3E | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #781B02
#781B02
oklch(37.8% 0.131 34.7)
- #004A58
#004A58
oklch(37.7% 0.067 215.8)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #781B02, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.023
- Maroon #800000 ΔE 0.027
- Blood #770001 ΔE 0.029
- Reddy Brown #6E1005 ΔE 0.031
- Dark Red #8B0000 ΔE 0.042
- Wine Red #7B0323 ΔE 0.046
- Brick Red #8F1402 ΔE 0.049
- Red Brown #8B2E16 ΔE 0.058
Use #781B02 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.