#810C03
Closest named color: Maroon (#800000). oklch(38.5% 0.15 30.2), rgb(129, 12, 3).
Aa
White text reads best on this color (10.56:1).
About this color
#810C03 is a dark, vivid red. In OKLCH its lightness is 38%, its chroma 0.150 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.010 away. White text reads best on it, at 10.56:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Maroon (#800000) |
| Black text | 1.98:1 |
| White text | 10.56:1 |
Values
| HEX | #810C03 |
| RGB | rgb(129, 12, 3) |
| HSL | hsl(4, 95%, 26%) |
| OKLCH | oklch(38.5% 0.15 30.2) |
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 #810C03 | 10.56:1 | AAA | Lc -96.8 | Preferred for body text |
| Black text on #810C03 | 1.98:1 | Fails | Lc 11.3 | Not readable |
| #810C03 text on white | 10.56:1 | AAA | Lc 92.6 | Preferred for body text |
| #810C03 text on black | 1.98:1 | Fails | Lc -9.8 | 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
#FFF2F0
oklch(97.1% 0.014 28)
-
Step 100
100
#FFE2DD
oklch(93.5% 0.033 29.4)
-
Step 200
200
#FFCBC1
oklch(88.5% 0.061 30.9)
-
Step 300
300
#FFA697
oklch(81% 0.108 30.1)
-
Step 400
400
#FC6D59
oklch(70.7% 0.179 30.2)
-
Step 500
500
#F53421
oklch(63.1% 0.229 30.2)
-
Step 600
600
#D71300
oklch(55.7% 0.222 30.2)
-
Step 700
700
#B60E00
oklch(49.2% 0.196 30.2)
-
Step 800
800
#960900
oklch(42.6% 0.17 30.1)
-
Step 900
900 (this color)
#810C03
oklch(38.5% 0.15 30.2)
-
Step 950
950
#4B0B05
oklch(27.1% 0.095 30.4)
#810C03 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) | #362F00 | 0.163 |
| Deuteranopia (no green cones) | #524800 | 0.145 |
| Tritanopia (no blue cones) | #8F000D | 0.031 |
| Achromatopsia (no color) | #3F3F3F | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #810C03
#810C03
oklch(38.5% 0.15 30.2)
- #004D57
#004D57
oklch(38.5% 0.066 209.7)
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 #810C03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Maroon #800000 ΔE 0.010
- Dark Red #8B0000 ΔE 0.021
- Blood #770001 ΔE 0.028
- Brick Red #8F1402 ΔE 0.034
- Wine Red #7B0323 ΔE 0.037
- Reddy Brown #6E1005 ΔE 0.042
- Chestnut #742802 ΔE 0.043
- Blood Red #980002 ΔE 0.049
Use #810C03 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.