#910A33
Closest named color: Red Wine (#8C0034). oklch(42.2% 0.163 13.2), rgb(145, 10, 51).
Aa
White text reads best on this color (9.14:1).
About this color
#910A33 is a dark, vivid red. In OKLCH its lightness is 42%, its chroma 0.163 and its hue 13°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.015 away. White text reads best on it, at 9.14:1.
| Hue family | Reds |
| Lightness | dark (42%) |
| Chroma | vivid (0.163) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.29:1 |
| White text | 9.14:1 |
Values
| HEX | #910A33 |
| RGB | rgb(145, 10, 51) |
| HSL | hsl(342, 87%, 30%) |
| OKLCH | oklch(42.2% 0.163 13.2) |
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 #910A33 | 9.14:1 | AAA | Lc -93.7 | Preferred for body text |
| Black text on #910A33 | 2.29:1 | Fails | Lc 14.9 | Not readable |
| #910A33 text on white | 9.14:1 | AAA | Lc 89.1 | Fine for body text |
| #910A33 text on black | 2.29:1 | Fails | Lc -13.1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FCE3E4
oklch(93.6% 0.028 14.9)
-
Step 200
200
#FACCCF
oklch(88.6% 0.052 13.8)
-
Step 300
300
#F7A7AF
oklch(80.8% 0.095 12.8)
-
Step 400
400
#EF7485
oklch(70.7% 0.152 13.2)
-
Step 500
500
#E64767
oklch(63.1% 0.195 13.1)
-
Step 600
600
#D1184E
oklch(55.6% 0.212 13.2)
-
Step 700
700
#B4003F
oklch(49% 0.196 13.2)
-
Step 800
800 (this color)
#910A33
oklch(42.2% 0.163 13.2)
-
Step 900
900
#76182D
oklch(37.7% 0.128 13.5)
-
Step 950
950
#45111B
oklch(26.9% 0.08 12.9)
#910A33 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) | #383733 | 0.183 |
| Deuteranopia (no green cones) | #59512F | 0.165 |
| Tritanopia (no blue cones) | #A0001F | 0.040 |
| Achromatopsia (no color) | #484848 | 0.164 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #910A33
#910A33
oklch(42.2% 0.163 13.2)
- #005A59
#005A59
oklch(42.3% 0.072 193.5)
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 #910A33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.015
- Cranberry #9E003A ΔE 0.029
- Purple Red #990147 ΔE 0.035
- Berry #990F4B ΔE 0.039
- Carmine #9D0216 ΔE 0.042
- Mulberry #920A4E ΔE 0.042
- Auburn #9B2226 ΔE 0.045
- Blood Red #980002 ΔE 0.048
Use #910A33 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.