#781C03
Closest named color: Chestnut (#742802). oklch(37.9% 0.13 34.8), rgb(120, 28, 3).
Aa
White text reads best on this color (10.68:1).
About this color
#781C03 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.130 and its hue 35°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.022 away. White text reads best on it, at 10.68:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.130) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.96:1 |
| White text | 10.68:1 |
Values
| HEX | #781C03 |
| RGB | rgb(120, 28, 3) |
| HSL | hsl(13, 95%, 24%) |
| OKLCH | oklch(37.9% 0.13 34.8) |
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 #781C03 | 10.68:1 | AAA | Lc -97.6 | Preferred for body text |
| Black text on #781C03 | 1.96:1 | Fails | Lc 10.4 | Not readable |
| #781C03 text on white | 10.68:1 | AAA | Lc 93.5 | Preferred for body text |
| #781C03 text on black | 1.96:1 | 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.
-
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
#F1785A
oklch(70.7% 0.156 35.1)
-
Step 500
500
#E94C24
oklch(63.2% 0.2 34.8)
-
Step 600
600
#CC3300
oklch(55.6% 0.195 34.9)
-
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)
#781C03
oklch(37.9% 0.13 34.8)
-
Step 950
950
#461206
oklch(26.9% 0.082 34.6)
#781C03 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) | #393100 | 0.136 |
| Deuteranopia (no green cones) | #4F4600 | 0.123 |
| Tritanopia (no blue cones) | #850018 | 0.042 |
| Achromatopsia (no color) | #3E3E3E | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #781C03
#781C03
oklch(37.9% 0.13 34.8)
- #004B58
#004B58
oklch(38% 0.067 214.3)
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 #781C03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.022
- Maroon #800000 ΔE 0.028
- Blood #770001 ΔE 0.030
- Reddy Brown #6E1005 ΔE 0.032
- Dark Red #8B0000 ΔE 0.042
- Wine Red #7B0323 ΔE 0.047
- Brick Red #8F1402 ΔE 0.049
- Red Brown #8B2E16 ΔE 0.057
Use #781C03 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.