#812523
Closest named color: Red Brown (#8B2E16). oklch(40.9% 0.127 25.8), rgb(129, 37, 35).
Aa
White text reads best on this color (9.44:1).
About this color
#812523 is a dark, moderately saturated red. In OKLCH its lightness is 41%, its chroma 0.127 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Red Brown (#8B2E16), ΔE 0.035 away. White text reads best on it, at 9.44:1.
| Hue family | Reds |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.127) |
| Temperature | warm |
| Nearest name | Red Brown (#8B2E16) |
| Black text | 2.22:1 |
| White text | 9.44:1 |
Values
| HEX | #812523 |
| RGB | rgb(129, 37, 35) |
| HSL | hsl(1, 57%, 32%) |
| OKLCH | oklch(40.9% 0.127 25.8) |
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 #812523 | 9.44:1 | AAA | Lc -95.2 | Preferred for body text |
| Black text on #812523 | 2.22:1 | Fails | Lc 13.1 | Not readable |
| #812523 text on white | 9.44:1 | AAA | Lc 90.9 | Preferred for body text |
| #812523 text on black | 2.22:1 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3CFCB
oklch(88.4% 0.041 25.4)
-
Step 300
300
#EDAFA8
oklch(81% 0.074 26.1)
-
Step 400
400
#E1827A
oklch(70.7% 0.118 25.6)
-
Step 500
500
#D65F58
oklch(63.2% 0.152 25.7)
-
Step 600
600
#C1413D
oklch(55.6% 0.165 25.8)
-
Step 700
700
#A6322F
oklch(49.1% 0.153 26)
-
Step 800
800 (this color)
#812523
oklch(40.9% 0.127 25.8)
-
Step 900
900
#6D2825
oklch(37.8% 0.099 25.5)
-
Step 950
950
#401816
oklch(27% 0.063 25.1)
#812523 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) | #3F3922 | 0.135 |
| Deuteranopia (no green cones) | #564D20 | 0.124 |
| Tritanopia (no blue cones) | #8E0825 | 0.038 |
| Achromatopsia (no color) | #464646 | 0.128 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #812523
#812523
oklch(40.9% 0.127 25.8)
- #00555D
#00555D
oklch(41% 0.07 205.8)
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 #812523, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Brown #8B2E16 ΔE 0.035
- Brick Red #8F1402 ΔE 0.036
- Dark Red #8B0000 ΔE 0.039
- Chestnut #742802 ΔE 0.042
- Maroon #800000 ΔE 0.044
- Rust Brown #8B3103 ΔE 0.046
- Wine Red #7B0323 ΔE 0.048
- Brown Red #922B05 ΔE 0.048
Use #812523 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.