#921B28
Closest named color: Auburn (#9B2226). oklch(43.2% 0.153 21.4), rgb(146, 27, 40).
Aa
White text reads best on this color (8.71:1).
About this color
#921B28 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.153 and its hue 21°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.024 away. White text reads best on it, at 8.71:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.153) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.40:1 |
| White text | 8.71:1 |
Values
| HEX | #921B28 |
| RGB | rgb(146, 27, 40) |
| HSL | hsl(353, 69%, 34%) |
| OKLCH | oklch(43.2% 0.153 21.4) |
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 #921B28 | 8.71:1 | AAA | Lc -93.0 | Preferred for body text |
| Black text on #921B28 | 2.40:1 | Fails | Lc 15.6 | Dividers and decoration only |
| #921B28 text on white | 8.71:1 | AAA | Lc 88.4 | Fine for body text |
| #921B28 text on black | 2.40:1 | Fails | Lc -13.8 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE4E2
oklch(93.7% 0.025 23.6)
-
Step 200
200
#F9CDCB
oklch(88.6% 0.05 21.2)
-
Step 300
300
#F5AAA7
oklch(80.9% 0.089 21.8)
-
Step 400
400
#EC7979
oklch(70.7% 0.142 21.3)
-
Step 500
500
#E34F56
oklch(63.1% 0.183 21.4)
-
Step 600
600
#CE293B
oklch(55.6% 0.199 21.6)
-
Step 700
700
#B2172E
oklch(49.1% 0.185 21.3)
-
Step 800
800 (this color)
#921B28
oklch(43.2% 0.153 21.4)
-
Step 900
900
#741E24
oklch(37.7% 0.119 21.3)
-
Step 950
950
#441315
oklch(26.9% 0.076 21.4)
#921B28 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) | #403B27 | 0.168 |
| Deuteranopia (no green cones) | #5D5424 | 0.154 |
| Tritanopia (no blue cones) | #A10021 | 0.031 |
| Achromatopsia (no color) | #4B4B4B | 0.154 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #921B28
#921B28
oklch(43.2% 0.153 21.4)
- #005C61
#005C61
oklch(43.2% 0.073 201.3)
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 #921B28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.024
- Carmine #9D0216 ΔE 0.027
- Blood Red #980002 ΔE 0.031
- Brick Red #8F1402 ΔE 0.031
- Deep Red #9A0200 ΔE 0.033
- Red Wine #8C0034 ΔE 0.039
- Dark Red #8B0000 ΔE 0.040
- Cranberry #9E003A ΔE 0.040
Use #921B28 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.