#91172B
Closest named color: Carmine (#9D0216). oklch(42.8% 0.155 19), rgb(145, 23, 43).
Aa
White text reads best on this color (8.89:1).
About this color
#91172B is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.155 and its hue 19°. Its hue sits on the warm side of the wheel. The nearest named color is Carmine (#9D0216), ΔE 0.031 away. White text reads best on it, at 8.89:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.155) |
| Temperature | warm |
| Nearest name | Carmine (#9D0216) |
| Black text | 2.36:1 |
| White text | 8.89:1 |
Values
| HEX | #91172B |
| RGB | rgb(145, 23, 43) |
| HSL | hsl(350, 73%, 33%) |
| OKLCH | oklch(42.8% 0.155 19) |
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 #91172B | 8.89:1 | AAA | Lc -93.4 | Preferred for body text |
| Black text on #91172B | 2.36:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #91172B text on white | 8.89:1 | AAA | Lc 88.8 | Fine for body text |
| #91172B 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
#F9CDCC
oklch(88.6% 0.05 19.7)
-
Step 300
300
#F6A9A9
oklch(80.9% 0.091 19.2)
-
Step 400
400
#ED777C
oklch(70.6% 0.146 18.9)
-
Step 500
500
#E34D5B
oklch(63% 0.185 18.9)
-
Step 600
600
#CF2641
oklch(55.7% 0.201 19.2)
-
Step 700
700
#B21333
oklch(49% 0.187 19)
-
Step 800
800 (this color)
#91172B
oklch(42.8% 0.155 19)
-
Step 900
900
#741D27
oklch(37.7% 0.12 18.9)
-
Step 950
950
#451317
oklch(27.1% 0.077 19.3)
#91172B 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) | #3D392B | 0.172 |
| Deuteranopia (no green cones) | #5C5327 | 0.156 |
| Tritanopia (no blue cones) | #A00020 | 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°).
- #91172B
#91172B
oklch(42.8% 0.155 19)
- #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 #91172B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Carmine #9D0216 ΔE 0.031
- Auburn #9B2226 ΔE 0.031
- Red Wine #8C0034 ΔE 0.031
- Blood Red #980002 ΔE 0.035
- Brick Red #8F1402 ΔE 0.036
- Cranberry #9E003A ΔE 0.037
- Deep Red #9A0200 ΔE 0.037
- Dark Red #8B0000 ΔE 0.041
Use #91172B 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.