#9C2837
Closest named color: Auburn (#9B2226). oklch(46.5% 0.151 18.4), rgb(156, 40, 55).
Aa
White text reads best on this color (7.57:1).
About this color
#9C2837 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.151 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.020 away. White text reads best on it, at 7.57:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.77:1 |
| White text | 7.57:1 |
Values
| HEX | #9C2837 |
| RGB | rgb(156, 40, 55) |
| HSL | hsl(352, 59%, 38%) |
| OKLCH | oklch(46.5% 0.151 18.4) |
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 #9C2837 | 7.57:1 | AAA | Lc -90.0 | Preferred for body text |
| Black text on #9C2837 | 2.77:1 | Fails | Lc 18.9 | Dividers and decoration only |
| #9C2837 text on white | 7.57:1 | AAA | Lc 85.1 | Fine for body text |
| #9C2837 text on black | 2.77:1 | Fails | Lc -16.9 | 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
#ECAEAE
oklch(80.8% 0.073 18.8)
-
Step 400
400
#E08184
oklch(70.7% 0.117 18.5)
-
Step 500
500
#D45E66
oklch(63.1% 0.149 18.3)
-
Step 600
600
#C0404D
oklch(55.6% 0.163 18.4)
-
Step 700
700 (this color)
#9C2837
oklch(46.5% 0.151 18.4)
-
Step 800
800
#862A33
oklch(42.7% 0.125 18.7)
-
Step 900
900
#6C282D
oklch(37.8% 0.097 18.6)
-
Step 950
950
#40181A
oklch(27.1% 0.063 19.2)
#9C2837 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) | #484437 | 0.166 |
| Deuteranopia (no green cones) | #665D34 | 0.152 |
| Tritanopia (no blue cones) | #AB002E | 0.037 |
| Achromatopsia (no color) | #545454 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9C2837
#9C2837
oklch(46.5% 0.151 18.4)
- #00666A
#00666A
oklch(46.4% 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 #9C2837, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.020
- Brown #A52A2A ΔE 0.027
- Rouge #AB1239 ΔE 0.034
- Cranberry #9E003A ΔE 0.038
- Carmine #9D0216 ΔE 0.041
- Brick #A03623 ΔE 0.042
- Burnt Red #9F2305 ΔE 0.043
- Rufous #AE2012 ΔE 0.049
Use #9C2837 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.