#851C13
Closest named color: Brick Red (#8F1402). oklch(40.5% 0.142 29.6), rgb(133, 28, 19).
Aa
White text reads best on this color (9.66:1).
About this color
#851C13 is a dark, vivid red. In OKLCH its lightness is 41%, its chroma 0.142 and its hue 30°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.022 away. White text reads best on it, at 9.66:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | vivid (0.142) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.17:1 |
| White text | 9.66:1 |
Values
| HEX | #851C13 |
| RGB | rgb(133, 28, 19) |
| HSL | hsl(5, 75%, 30%) |
| OKLCH | oklch(40.5% 0.142 29.6) |
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 #851C13 | 9.66:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #851C13 | 2.17:1 | Fails | Lc 12.9 | Not readable |
| #851C13 text on white | 9.66:1 | AAA | Lc 91.0 | Preferred for body text |
| #851C13 text on black | 2.17:1 | Fails | Lc -11.3 | 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 800.
-
Step 50
50
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FAE4E1
oklch(93.6% 0.025 26.9)
-
Step 200
200
#F6CFC8
oklch(88.6% 0.045 29.9)
-
Step 300
300
#F1ADA1
oklch(80.9% 0.082 30.2)
-
Step 400
400
#E77E6F
oklch(70.6% 0.132 29.3)
-
Step 500
500
#DD5848
oklch(63.1% 0.17 29.5)
-
Step 600
600
#C8372A
oklch(55.5% 0.184 29.4)
-
Step 700
700
#AD281C
oklch(49.2% 0.171 29.7)
-
Step 800
800 (this color)
#851C13
oklch(40.5% 0.142 29.6)
-
Step 900
900
#71241B
oklch(37.8% 0.111 29.8)
-
Step 950
950
#421611
oklch(26.9% 0.07 29)
#851C13 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) | #3D3610 | 0.152 |
| Deuteranopia (no green cones) | #574D0D | 0.138 |
| Tritanopia (no blue cones) | #93001B | 0.035 |
| Achromatopsia (no color) | #444444 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #851C13
#851C13
oklch(40.5% 0.142 29.6)
- #00535E
#00535E
oklch(40.5% 0.07 210.1)
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 #851C13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.022
- Dark Red #8B0000 ΔE 0.023
- Maroon #800000 ΔE 0.031
- Red Brown #8B2E16 ΔE 0.035
- Blood Red #980002 ΔE 0.040
- Chestnut #742802 ΔE 0.042
- Brown Red #922B05 ΔE 0.043
- Deep Red #9A0200 ΔE 0.043
Use #851C13 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.