#9C2521
Closest named color: Auburn (#9B2226). oklch(45.8% 0.156 27.3), rgb(156, 37, 33).
Aa
White text reads best on this color (7.77:1).
About this color
#9C2521 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.156 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.009 away. White text reads best on it, at 7.77:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.70:1 |
| White text | 7.77:1 |
Values
| HEX | #9C2521 |
| RGB | rgb(156, 37, 33) |
| HSL | hsl(2, 65%, 37%) |
| OKLCH | oklch(45.8% 0.156 27.3) |
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 #9C2521 | 7.77:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #9C2521 | 2.70:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #9C2521 text on white | 7.77:1 | AAA | Lc 85.7 | Fine for body text |
| #9C2521 text on black | 2.70:1 | Fails | Lc -16.4 | Dividers and decoration only |
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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC7
oklch(88.5% 0.051 27.2)
-
Step 300
300
#F6AAA1
oklch(80.9% 0.091 26.8)
-
Step 400
400
#EE796D
oklch(70.7% 0.146 27.4)
-
Step 500
500
#E44F46
oklch(63% 0.186 27.2)
-
Step 600
600
#D02826
oklch(55.7% 0.203 27.4)
-
Step 700
700
#B31719
oklch(49.1% 0.188 27.4)
-
Step 800
800 (this color)
#9C2521
oklch(45.8% 0.156 27.3)
-
Step 900
900
#751E1A
oklch(37.7% 0.122 27.3)
-
Step 950
950
#451310
oklch(27% 0.078 27)
#9C2521 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) | #49421F | 0.168 |
| Deuteranopia (no green cones) | #675C1C | 0.153 |
| Tritanopia (no blue cones) | #AC0026 | 0.040 |
| Achromatopsia (no color) | #525252 | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9C2521
#9C2521
oklch(45.8% 0.156 27.3)
- #00636E
#00636E
oklch(45.7% 0.079 208)
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 #9C2521, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.009
- Burnt Red #9F2305 ΔE 0.019
- Brown #A52A2A ΔE 0.023
- Carmine #9D0216 ΔE 0.029
- Brick #A03623 ΔE 0.031
- Brown Red #922B05 ΔE 0.031
- Deep Red #9A0200 ΔE 0.034
- Rust Red #AA2704 ΔE 0.035
Use #9C2521 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.