#91172D
Closest named color: Red Wine (#8C0034). oklch(42.8% 0.155 18), rgb(145, 23, 45).
Aa
White text reads best on this color (8.88:1).
About this color
#91172D is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.155 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.029 away. White text reads best on it, at 8.88:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.36:1 |
| White text | 8.88:1 |
Values
| HEX | #91172D |
| RGB | rgb(145, 23, 45) |
| HSL | hsl(349, 73%, 33%) |
| OKLCH | oklch(42.8% 0.155 18) |
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 #91172D | 8.88:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #91172D | 2.36:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #91172D text on white | 8.88:1 | AAA | Lc 88.8 | Fine for body text |
| #91172D text on black | 2.36:1 | Fails | Lc -13.4 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F9CCCD
oklch(88.4% 0.051 16.7)
-
Step 300
300
#F6A9AA
oklch(80.9% 0.091 18.4)
-
Step 400
400
#ED777E
oklch(70.7% 0.146 17.8)
-
Step 500
500
#E34D5D
oklch(63.1% 0.185 18.1)
-
Step 600
600
#CE2544
oklch(55.5% 0.201 17.9)
-
Step 700
700
#B21336
oklch(49.1% 0.187 17.8)
-
Step 800
800 (this color)
#91172D
oklch(42.8% 0.155 18)
-
Step 900
900
#741D28
oklch(37.7% 0.12 18.2)
-
Step 950
950
#451318
oklch(27.1% 0.077 18.1)
#91172D 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) | #3D3A2D | 0.172 |
| Deuteranopia (no green cones) | #5B5329 | 0.158 |
| Tritanopia (no blue cones) | #A00021 | 0.032 |
| Achromatopsia (no color) | #4A4A4A | 0.156 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #91172D
#91172D
oklch(42.8% 0.155 18)
- #005B5E
#005B5E
oklch(42.8% 0.073 198.7)
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 #91172D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.029
- Auburn #9B2226 ΔE 0.032
- Carmine #9D0216 ΔE 0.032
- Cranberry #9E003A ΔE 0.035
- Blood Red #980002 ΔE 0.037
- Brick Red #8F1402 ΔE 0.038
- Deep Red #9A0200 ΔE 0.039
- Dark Red #8B0000 ΔE 0.043
Use #91172D 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.