#911A24
Closest named color: Auburn (#9B2226). oklch(42.9% 0.153 22.9), rgb(145, 26, 36).
Aa
White text reads best on this color (8.83:1).
About this color
#911A24 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.153 and its hue 23°. 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 8.83:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.37:1 |
| White text | 8.83:1 |
Values
| HEX | #911A24 |
| RGB | rgb(145, 26, 36) |
| HSL | hsl(355, 70%, 34%) |
| OKLCH | oklch(42.9% 0.153 22.9) |
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 #911A24 | 8.83:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #911A24 | 2.37:1 | Fails | Lc 15.3 | Dividers and decoration only |
| #911A24 text on white | 8.83:1 | AAA | Lc 88.7 | Fine for body text |
| #911A24 text on black | 2.37:1 | Fails | Lc -13.5 | 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
#FEF3F2
oklch(97.2% 0.012 23.7)
-
Step 100
100
#FBE4E2
oklch(93.7% 0.025 23.6)
-
Step 200
200
#F9CDCA
oklch(88.5% 0.05 22.7)
-
Step 300
300
#F5AAA6
oklch(80.9% 0.089 22.6)
-
Step 400
400
#EC7976
oklch(70.7% 0.143 22.9)
-
Step 500
500
#E34F53
oklch(63.1% 0.184 22.6)
-
Step 600
600
#CE2937
oklch(55.6% 0.199 22.9)
-
Step 700
700
#B2182A
oklch(49.1% 0.185 22.8)
-
Step 800
800 (this color)
#911A24
oklch(42.9% 0.153 22.9)
-
Step 900
900
#741E22
oklch(37.7% 0.119 22.6)
-
Step 950
950
#441314
oklch(26.9% 0.076 22.6)
#911A24 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) | #3F3A23 | 0.169 |
| Deuteranopia (no green cones) | #5D5320 | 0.152 |
| Tritanopia (no blue cones) | #A0001F | 0.031 |
| Achromatopsia (no color) | #4A4A4A | 0.155 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #911A24
#911A24
oklch(42.9% 0.153 22.9)
- #005B61
#005B61
oklch(42.9% 0.073 202.6)
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 #911A24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.026
- Brick Red #8F1402 ΔE 0.026
- Carmine #9D0216 ΔE 0.027
- Blood Red #980002 ΔE 0.028
- Deep Red #9A0200 ΔE 0.030
- Dark Red #8B0000 ΔE 0.036
- Red Brown #8B2E16 ΔE 0.038
- Red Wine #8C0034 ΔE 0.040
Use #911A24 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.