#850C10
Closest named color: Dark Red (#8B0000). oklch(39.4% 0.152 27), rgb(133, 12, 16).
Aa
White text reads best on this color (10.20:1).
About this color
#850C10 is a dark, vivid red. In OKLCH its lightness is 39%, its chroma 0.152 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Red (#8B0000), ΔE 0.015 away. White text reads best on it, at 10.20:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | vivid (0.152) |
| Temperature | warm |
| Nearest name | Dark Red (#8B0000) |
| Black text | 2.05:1 |
| White text | 10.20:1 |
Values
| HEX | #850C10 |
| RGB | rgb(133, 12, 16) |
| HSL | hsl(358, 83%, 28%) |
| OKLCH | oklch(39.4% 0.152 27) |
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 #850C10 | 10.20:1 | AAA | Lc -96.1 | Preferred for body text |
| Black text on #850C10 | 2.05:1 | Fails | Lc 12.2 | Not readable |
| #850C10 text on white | 10.20:1 | AAA | Lc 91.8 | Preferred for body text |
| #850C10 text on black | 2.05:1 | Fails | Lc -10.6 | 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
#FFE2DE
oklch(93.5% 0.033 27.1)
-
Step 200
200
#FFCBC4
oklch(88.6% 0.06 27.2)
-
Step 300
300
#FFA59B
oklch(80.9% 0.108 26.6)
-
Step 400
400
#FE6A5F
oklch(70.7% 0.183 27)
-
Step 500
500
#F72E2F
oklch(63.1% 0.233 27)
-
Step 600
600
#D90017
oklch(55.7% 0.227 27)
-
Step 700
700
#B70012
oklch(49% 0.2 27)
-
Step 800
800
#98000D
oklch(42.8% 0.174 27)
-
Step 900
900 (this color)
#850C10
oklch(39.4% 0.152 27)
-
Step 950
950
#4B0909
oklch(26.9% 0.096 26.7)
#850C10 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) | #37310E | 0.167 |
| Deuteranopia (no green cones) | #544A08 | 0.150 |
| Tritanopia (no blue cones) | #930010 | 0.029 |
| Achromatopsia (no color) | #414141 | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #850C10
#850C10
oklch(39.4% 0.152 27)
- #005058
#005058
oklch(39.4% 0.067 206.4)
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 #850C10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Red #8B0000 ΔE 0.015
- Maroon #800000 ΔE 0.018
- Brick Red #8F1402 ΔE 0.027
- Wine Red #7B0323 ΔE 0.035
- Blood #770001 ΔE 0.037
- Blood Red #980002 ΔE 0.041
- Deep Red #9A0200 ΔE 0.045
- Bordeaux #7B002C ΔE 0.047
Use #850C10 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.