#9C2B37
Closest named color: Auburn (#9B2226). oklch(46.8% 0.148 19.3), rgb(156, 43, 55).
Aa
White text reads best on this color (7.46:1).
About this color
#9C2B37 is a medium-dark, vivid red. In OKLCH its lightness is 47%, its chroma 0.148 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.021 away. White text reads best on it, at 7.46:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | vivid (0.148) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.81:1 |
| White text | 7.46:1 |
Values
| HEX | #9C2B37 |
| RGB | rgb(156, 43, 55) |
| HSL | hsl(354, 57%, 39%) |
| OKLCH | oklch(46.8% 0.148 19.3) |
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 #9C2B37 | 7.46:1 | AAA | Lc -89.7 | Fine for body text |
| Black text on #9C2B37 | 2.81:1 | Fails | Lc 19.2 | Dividers and decoration only |
| #9C2B37 text on white | 7.46:1 | AAA | Lc 84.8 | Fine for body text |
| #9C2B37 text on black | 2.81:1 | Fails | Lc -17.2 | 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 700.
-
Step 50
50
#FCF3F3
oklch(97.1% 0.01 17.3)
-
Step 100
100
#F8E5E4
oklch(93.7% 0.021 21.2)
-
Step 200
200
#F3CFCF
oklch(88.5% 0.041 17.9)
-
Step 300
300
#ECAFAE
oklch(81% 0.072 19.8)
-
Step 400
400
#DF8284
oklch(70.7% 0.115 19)
-
Step 500
500
#D35F65
oklch(63% 0.147 19.1)
-
Step 600
600
#BE424C
oklch(55.5% 0.159 19.3)
-
Step 700
700 (this color)
#9C2B37
oklch(46.8% 0.148 19.3)
-
Step 800
800
#852B33
oklch(42.6% 0.123 19)
-
Step 900
900
#6B282C
oklch(37.6% 0.096 19.4)
-
Step 950
950
#3F191A
oklch(27.1% 0.06 20.3)
#9C2B37 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) | #4A4637 | 0.162 |
| Deuteranopia (no green cones) | #665E34 | 0.150 |
| Tritanopia (no blue cones) | #AB0730 | 0.038 |
| Achromatopsia (no color) | #555555 | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9C2B37
#9C2B37
oklch(46.8% 0.148 19.3)
- #00676B
#00676B
oklch(46.7% 0.079 199.5)
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 #9C2B37, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.021
- Brown #A52A2A ΔE 0.024
- Rouge #AB1239 ΔE 0.036
- Brick #A03623 ΔE 0.037
- Burnt Red #9F2305 ΔE 0.042
- Cranberry #9E003A ΔE 0.043
- Carmine #9D0216 ΔE 0.044
- Rufous #AE2012 ΔE 0.048
Use #9C2B37 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.