#911437
Closest named color: Red Wine (#8C0034). oklch(42.8% 0.158 12.4), rgb(145, 20, 55).
Aa
White text reads best on this color (8.90:1).
About this color
#911437 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.158 and its hue 12°. Its hue sits on the warm side of the wheel. The nearest named color is Red Wine (#8C0034), ΔE 0.021 away. White text reads best on it, at 8.90:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.158) |
| Temperature | warm |
| Nearest name | Red Wine (#8C0034) |
| Black text | 2.35:1 |
| White text | 8.90:1 |
Values
| HEX | #911437 |
| RGB | rgb(145, 20, 55) |
| HSL | hsl(343, 76%, 32%) |
| OKLCH | oklch(42.8% 0.158 12.4) |
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 #911437 | 8.90:1 | AAA | Lc -93.3 | Preferred for body text |
| Black text on #911437 | 2.35:1 | Fails | Lc 15.2 | Dividers and decoration only |
| #911437 text on white | 8.90:1 | AAA | Lc 88.7 | Fine for body text |
| #911437 text on black | 2.35:1 | 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
#FEF2F3
oklch(97.1% 0.013 11.5)
-
Step 100
100
#FBE3E5
oklch(93.6% 0.026 11.9)
-
Step 200
200
#F9CCD0
oklch(88.5% 0.051 12.1)
-
Step 300
300
#F6A8B0
oklch(80.9% 0.093 12.6)
-
Step 400
400
#ED7687
oklch(70.7% 0.147 12.6)
-
Step 500
500
#E34B6A
oklch(63.1% 0.188 12.3)
-
Step 600
600
#CE2152
oklch(55.5% 0.204 12.2)
-
Step 700
700
#B20D42
oklch(49.1% 0.19 12.5)
-
Step 800
800 (this color)
#911437
oklch(42.8% 0.158 12.4)
-
Step 900
900
#741B2F
oklch(37.7% 0.123 12.5)
-
Step 950
950
#45121C
oklch(27.1% 0.078 12.4)
#911437 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) | #3A3A37 | 0.178 |
| Deuteranopia (no green cones) | #5A5334 | 0.161 |
| Tritanopia (no blue cones) | #9F0024 | 0.036 |
| Achromatopsia (no color) | #4A4A4A | 0.159 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #911437
#911437
oklch(42.8% 0.158 12.4)
- #005C5A
#005C5A
oklch(42.9% 0.074 192.2)
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 #911437, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Red Wine #8C0034 ΔE 0.021
- Cranberry #9E003A ΔE 0.028
- Purple Red #990147 ΔE 0.033
- Berry #990F4B ΔE 0.035
- Mulberry #920A4E ΔE 0.040
- Auburn #9B2226 ΔE 0.042
- Carmine #9D0216 ΔE 0.044
- Wine #80013F ΔE 0.050
Use #911437 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.