#811900
Closest named color: Maroon (#800000). oklch(39.3% 0.142 33.8), rgb(129, 25, 0).
Aa
White text reads best on this color (10.13:1).
About this color
#811900 is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.142 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Maroon (#800000), ΔE 0.024 away. White text reads best on it, at 10.13:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Maroon (#800000) |
| Black text | 2.07:1 |
| White text | 10.13:1 |
Values
| HEX | #811900 |
| RGB | rgb(129, 25, 0) |
| HSL | hsl(12, 100%, 25%) |
| OKLCH | oklch(39.3% 0.142 33.8) |
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 #811900 | 10.13:1 | AAA | Lc -96.3 | Preferred for body text |
| Black text on #811900 | 2.07:1 | Fails | Lc 11.9 | Not readable |
| #811900 text on white | 10.13:1 | AAA | Lc 92.0 | Preferred for body text |
| #811900 text on black | 2.07:1 | Fails | Lc -10.4 | 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
#FFF2EF
oklch(97.1% 0.015 33.1)
-
Step 100
100
#FEE3DD
oklch(93.6% 0.031 32.6)
-
Step 200
200
#FECCC0
oklch(88.6% 0.059 33.8)
-
Step 300
300
#FDA793
oklch(80.8% 0.106 33.7)
-
Step 400
400
#F87255
oklch(70.7% 0.171 33.7)
-
Step 500
500
#F04015
oklch(63.1% 0.218 33.8)
-
Step 600
600
#CE2E00
oklch(55.5% 0.201 33.8)
-
Step 700
700
#AF2500
oklch(49.1% 0.178 33.7)
-
Step 800
800
#901D00
oklch(42.6% 0.154 33.8)
-
Step 900
900 (this color)
#811900
oklch(39.3% 0.142 33.8)
-
Step 950
950
#490F03
oklch(27.1% 0.09 34.3)
#811900 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) | #3B3300 | 0.150 |
| Deuteranopia (no green cones) | #544A00 | 0.134 |
| Tritanopia (no blue cones) | #8F0016 | 0.038 |
| Achromatopsia (no color) | #414141 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #811900
#811900
oklch(39.3% 0.142 33.8)
- #004F5C
#004F5C
oklch(39.3% 0.069 213.5)
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 #811900, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Maroon #800000 ΔE 0.024
- Dark Red #8B0000 ΔE 0.026
- Brick Red #8F1402 ΔE 0.030
- Chestnut #742802 ΔE 0.033
- Blood #770001 ΔE 0.038
- Red Brown #8B2E16 ΔE 0.044
- Reddy Brown #6E1005 ΔE 0.048
- Wine Red #7B0323 ΔE 0.048
Use #811900 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.