#9B3337
Closest named color: Brown (#A52A2A). oklch(47.5% 0.138 22), rgb(155, 51, 55).
Aa
White text reads best on this color (7.18:1).
About this color
#9B3337 is a medium-dark, moderately saturated red. In OKLCH its lightness is 47%, its chroma 0.138 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Brown (#A52A2A), ΔE 0.024 away. White text reads best on it, at 7.18:1.
| Hue family | Reds |
| Lightness | medium-dark (47%) |
| Chroma | moderately saturated (0.138) |
| Temperature | warm |
| Nearest name | Brown (#A52A2A) |
| Black text | 2.92:1 |
| White text | 7.18:1 |
Values
| HEX | #9B3337 |
| RGB | rgb(155, 51, 55) |
| HSL | hsl(358, 50%, 40%) |
| OKLCH | oklch(47.5% 0.138 22) |
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 #9B3337 | 7.18:1 | AAA | Lc -89.0 | Fine for body text |
| Black text on #9B3337 | 2.92:1 | Fails | Lc 20.0 | Dividers and decoration only |
| #9B3337 text on white | 7.18:1 | AAA | Lc 84.0 | Fine for body text |
| #9B3337 text on black | 2.92:1 | Fails | Lc -17.9 | 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
#FBF3F3
oklch(97% 0.009 17.3)
-
Step 100
100
#F7E5E4
oklch(93.6% 0.02 21.4)
-
Step 200
200
#F1D0CE
oklch(88.5% 0.037 22)
-
Step 300
300
#E9B0AD
oklch(80.9% 0.067 22.1)
-
Step 400
400
#DB8582
oklch(70.7% 0.106 22.3)
-
Step 500
500
#CF6363
oklch(63% 0.137 21.8)
-
Step 600
600
#BB484A
oklch(55.7% 0.149 22.3)
-
Step 700
700 (this color)
#9B3337
oklch(47.5% 0.138 22)
-
Step 800
800
#822F31
oklch(42.6% 0.115 22)
-
Step 900
900
#692B2B
oklch(37.7% 0.089 22.3)
-
Step 950
950
#3E1A1A
oklch(27.1% 0.057 21.5)
#9B3337 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) | #4E4936 | 0.150 |
| Deuteranopia (no green cones) | #696034 | 0.138 |
| Tritanopia (no blue cones) | #AA1B35 | 0.039 |
| Achromatopsia (no color) | #575757 | 0.140 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9B3337
#9B3337
oklch(47.5% 0.138 22)
- #006970
#006970
oklch(47.4% 0.081 202.8)
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 #9B3337, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Brown #A52A2A ΔE 0.024
- Brick #A03623 ΔE 0.028
- Auburn #9B2226 ΔE 0.028
- Burnt Red #9F2305 ΔE 0.042
- Rouge #AB1239 ΔE 0.047
- Rust Red #AA2704 ΔE 0.047
- Rufous #AE2012 ΔE 0.048
- Firebrick #B22222 ΔE 0.049
Use #9B3337 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.