#9B1B13
Closest named color: Auburn (#9B2226). oklch(44.7% 0.164 29.2), rgb(155, 27, 19).
Aa
White text reads best on this color (8.20:1).
About this color
#9B1B13 is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.164 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.017 away. White text reads best on it, at 8.20:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.164) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.55:1 |
| White text | 8.20:1 |
Values
| HEX | #9B1B13 |
| RGB | rgb(155, 27, 19) |
| HSL | hsl(4, 78%, 34%) |
| OKLCH | oklch(44.7% 0.164 29.2) |
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 #9B1B13 | 8.20:1 | AAA | Lc -91.5 | Preferred for body text |
| Black text on #9B1B13 | 2.55:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #9B1B13 text on white | 8.20:1 | AAA | Lc 86.7 | Fine for body text |
| #9B1B13 text on black | 2.55:1 | Fails | Lc -15.4 | 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
#FEF2F0
oklch(97% 0.013 28.9)
-
Step 100
100
#FCE3DF
oklch(93.5% 0.028 28.5)
-
Step 200
200
#FBCDC5
oklch(88.6% 0.054 29.6)
-
Step 300
300
#F8A99D
oklch(80.8% 0.096 28.9)
-
Step 400
400
#F17767
oklch(70.8% 0.153 29.1)
-
Step 500
500
#E84B3C
oklch(63.1% 0.196 29.2)
-
Step 600
600
#D31E16
oklch(55.5% 0.213 29.1)
-
Step 700
700
#B70704
oklch(49.2% 0.199 29.2)
-
Step 800
800 (this color)
#9B1B13
oklch(44.7% 0.164 29.2)
-
Step 900
900
#771B13
oklch(37.7% 0.128 29.4)
-
Step 950
950
#46120D
oklch(27% 0.081 29)
#9B1B13 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) | #453D10 | 0.178 |
| Deuteranopia (no green cones) | #64590A | 0.161 |
| Tritanopia (no blue cones) | #AB001B | 0.035 |
| Achromatopsia (no color) | #4F4F4F | 0.165 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9B1B13
#9B1B13
oklch(44.7% 0.164 29.2)
- #00606B
#00606B
oklch(44.7% 0.077 208.4)
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 #9B1B13, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.017
- Burnt Red #9F2305 ΔE 0.018
- Carmine #9D0216 ΔE 0.019
- Deep Red #9A0200 ΔE 0.019
- Blood Red #980002 ΔE 0.023
- Brown Red #922B05 ΔE 0.029
- Brick Red #8F1402 ΔE 0.030
- Brown #A52A2A ΔE 0.036
Use #9B1B13 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.