#78210C
Closest named color: Chestnut (#742802). oklch(38.5% 0.125 34.3), rgb(120, 33, 12).
Aa
White text reads best on this color (10.38:1).
About this color
#78210C is a dark, moderately saturated red. In OKLCH its lightness is 39%, its chroma 0.125 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.018 away. White text reads best on it, at 10.38:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | moderately saturated (0.125) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.02:1 |
| White text | 10.38:1 |
Values
| HEX | #78210C |
| RGB | rgb(120, 33, 12) |
| HSL | hsl(12, 82%, 26%) |
| OKLCH | oklch(38.5% 0.125 34.3) |
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.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #78210C | 10.38:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #78210C | 2.02:1 | Fails | Lc 10.9 | Not readable |
| #78210C text on white | 10.38:1 | AAA | Lc 93.1 | Preferred for body text |
| #78210C text on black | 2.02:1 | Fails | Lc -9.4 | 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.
-
Step 50
50
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FBE4DE
oklch(93.6% 0.027 35)
-
Step 200
200
#F9CEC3
oklch(88.5% 0.051 34.7)
-
Step 300
300
#F6AB98
oklch(80.8% 0.093 34.8)
-
Step 400
400
#EE7A5F
oklch(70.7% 0.149 34.3)
-
Step 500
500
#E5502E
oklch(63% 0.191 34.2)
-
Step 600
600
#CD3100
oklch(55.6% 0.198 34.4)
-
Step 700
700
#AE2800
oklch(49.2% 0.175 34.4)
-
Step 800
800
#901F00
oklch(42.8% 0.153 34.3)
-
Step 900
900 (this color)
#78210C
oklch(38.5% 0.125 34.3)
-
Step 950
950
#451408
oklch(27% 0.078 35)
#78210C 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) | #3B3408 | 0.129 |
| Deuteranopia (no green cones) | #504707 | 0.118 |
| Tritanopia (no blue cones) | #85001D | 0.046 |
| Achromatopsia (no color) | #404040 | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #78210C
#78210C
oklch(38.5% 0.125 34.3)
- #004D5A
#004D5A
oklch(38.6% 0.068 213.9)
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 #78210C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.018
- Maroon #800000 ΔE 0.034
- Blood #770001 ΔE 0.037
- Reddy Brown #6E1005 ΔE 0.038
- Dark Red #8B0000 ΔE 0.044
- Brick Red #8F1402 ΔE 0.048
- Wine Red #7B0323 ΔE 0.049
- Red Brown #8B2E16 ΔE 0.052
Use #78210C 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.