#931F33
Closest named color: Auburn (#9B2226). oklch(43.9% 0.151 17), rgb(147, 31, 51).
Aa
White text reads best on this color (8.45:1).
About this color
#931F33 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.151 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.026 away. White text reads best on it, at 8.45:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.48:1 |
| White text | 8.45:1 |
Values
| HEX | #931F33 |
| RGB | rgb(147, 31, 51) |
| HSL | hsl(350, 65%, 35%) |
| OKLCH | oklch(43.9% 0.151 17) |
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 #931F33 | 8.45:1 | AAA | Lc -92.4 | Preferred for body text |
| Black text on #931F33 | 2.48:1 | Fails | Lc 16.2 | Dividers and decoration only |
| #931F33 text on white | 8.45:1 | AAA | Lc 87.8 | Fine for body text |
| #931F33 text on black | 2.48:1 | Fails | Lc -14.4 | Not readable |
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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FBE3E4
oklch(93.6% 0.026 14.7)
-
Step 200
200
#F8CDCE
oklch(88.6% 0.049 16.5)
-
Step 300
300
#F4AAAC
oklch(80.9% 0.087 17.4)
-
Step 400
400
#EB7981
oklch(70.8% 0.141 16.9)
-
Step 500
500
#E15061
oklch(63.2% 0.18 17.1)
-
Step 600
600
#CC2A48
oklch(55.6% 0.196 16.9)
-
Step 700
700
#B01A39
oklch(49.1% 0.182 17.2)
-
Step 800
800 (this color)
#931F33
oklch(43.9% 0.151 17)
-
Step 900
900
#731E2A
oklch(37.7% 0.118 17)
-
Step 950
950
#441419
oklch(27.1% 0.074 17.4)
#931F33 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) | #413E33 | 0.166 |
| Deuteranopia (no green cones) | #5E5630 | 0.153 |
| Tritanopia (no blue cones) | #A20028 | 0.034 |
| Achromatopsia (no color) | #4D4D4D | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #931F33
#931F33
oklch(43.9% 0.151 17)
- #005F60
#005F60
oklch(44% 0.075 196)
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 #931F33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.026
- Cranberry #9E003A ΔE 0.033
- Carmine #9D0216 ΔE 0.036
- Red Wine #8C0034 ΔE 0.037
- Blood Red #980002 ΔE 0.043
- Deep Red #9A0200 ΔE 0.044
- Berry #990F4B ΔE 0.045
- Purple Red #990147 ΔE 0.045
Use #931F33 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.