#851D23
Closest named color: Brick Red (#8F1402). oklch(40.8% 0.139 23.1), rgb(133, 29, 35).
Aa
White text reads best on this color (9.55:1).
About this color
#851D23 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.139 and its hue 23°. Its hue sits on the warm side of the wheel. The nearest named color is Brick Red (#8F1402), ΔE 0.031 away. White text reads best on it, at 9.55:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.139) |
| Temperature | warm |
| Nearest name | Brick Red (#8F1402) |
| Black text | 2.19:1 |
| White text | 9.55:1 |
Values
| HEX | #851D23 |
| RGB | rgb(133, 29, 35) |
| HSL | hsl(357, 64%, 32%) |
| OKLCH | oklch(40.8% 0.139 23.1) |
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 #851D23 | 9.55:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #851D23 | 2.19:1 | Fails | Lc 13.1 | Not readable |
| #851D23 text on white | 9.55:1 | AAA | Lc 90.8 | Preferred for body text |
| #851D23 text on black | 2.19:1 | Fails | Lc -11.5 | 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
#FDF3F2
oklch(97.2% 0.011 24.3)
-
Step 100
100
#F9E4E2
oklch(93.5% 0.023 24.1)
-
Step 200
200
#F6CECB
oklch(88.5% 0.046 23.1)
-
Step 300
300
#F1ACA8
oklch(80.9% 0.082 22.8)
-
Step 400
400
#E67E7A
oklch(70.7% 0.129 23.2)
-
Step 500
500
#DC5858
oklch(63.2% 0.166 23.1)
-
Step 600
600
#C7373D
oklch(55.6% 0.18 23.2)
-
Step 700
700
#AB282F
oklch(49% 0.167 23.4)
-
Step 800
800 (this color)
#851D23
oklch(40.8% 0.139 23.1)
-
Step 900
900
#702425
oklch(37.7% 0.108 23.1)
-
Step 950
950
#421616
oklch(27% 0.069 22.8)
#851D23 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) | #3C3722 | 0.151 |
| Deuteranopia (no green cones) | #564D1F | 0.138 |
| Tritanopia (no blue cones) | #930020 | 0.032 |
| Achromatopsia (no color) | #454545 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #851D23
#851D23
oklch(40.8% 0.139 23.1)
- #00555B
#00555B
oklch(41% 0.07 203.1)
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 #851D23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brick Red #8F1402 ΔE 0.031
- Dark Red #8B0000 ΔE 0.031
- Maroon #800000 ΔE 0.039
- Red Brown #8B2E16 ΔE 0.041
- Wine Red #7B0323 ΔE 0.041
- Red Wine #8C0034 ΔE 0.041
- Blood Red #980002 ΔE 0.044
- Deep Red #9A0200 ΔE 0.047
Use #851D23 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.