#921F31
Closest named color: Auburn (#9B2226). oklch(43.7% 0.15 17.9), rgb(146, 31, 49).
Aa
White text reads best on this color (8.52:1).
About this color
#921F31 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.150 and its hue 18°. 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 8.52:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.150) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.46:1 |
| White text | 8.52:1 |
Values
| HEX | #921F31 |
| RGB | rgb(146, 31, 49) |
| HSL | hsl(351, 65%, 35%) |
| OKLCH | oklch(43.7% 0.15 17.9) |
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 #921F31 | 8.52:1 | AAA | Lc -92.7 | Preferred for body text |
| Black text on #921F31 | 2.46:1 | Fails | Lc 16.0 | Dividers and decoration only |
| #921F31 text on white | 8.52:1 | AAA | Lc 88.0 | Fine for body text |
| #921F31 text on black | 2.46:1 | Fails | Lc -14.2 | 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
#FDF2F2
oklch(97% 0.012 17.4)
-
Step 100
100
#FBE4E3
oklch(93.7% 0.025 20.6)
-
Step 200
200
#F8CDCD
oklch(88.5% 0.049 18.1)
-
Step 300
300
#F4AAAB
oklch(80.9% 0.088 18.3)
-
Step 400
400
#EA797F
oklch(70.6% 0.14 18)
-
Step 500
500
#E0515F
oklch(63.1% 0.178 18.1)
-
Step 600
600
#CC2C46
oklch(55.7% 0.194 18)
-
Step 700
700
#B01B38
oklch(49.2% 0.181 17.8)
-
Step 800
800 (this color)
#921F31
oklch(43.7% 0.15 17.9)
-
Step 900
900
#731F29
oklch(37.8% 0.117 18.2)
-
Step 950
950
#441418
oklch(27.1% 0.074 18.7)
#921F31 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) | #403D31 | 0.166 |
| Deuteranopia (no green cones) | #5D552E | 0.151 |
| Tritanopia (no blue cones) | #A10027 | 0.033 |
| Achromatopsia (no color) | #4C4C4C | 0.151 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #921F31
#921F31
oklch(43.7% 0.15 17.9)
- #005E60
#005E60
oklch(43.7% 0.074 197.3)
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 #921F31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.026
- Carmine #9D0216 ΔE 0.035
- Cranberry #9E003A ΔE 0.035
- Red Wine #8C0034 ΔE 0.037
- Blood Red #980002 ΔE 0.041
- Brick Red #8F1402 ΔE 0.042
- Deep Red #9A0200 ΔE 0.042
- Red Brown #8B2E16 ΔE 0.046
Use #921F31 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.