#911E33
Closest named color: Auburn (#9B2226). oklch(43.5% 0.149 16.4), rgb(145, 30, 51).
Aa
White text reads best on this color (8.61:1).
About this color
#911E33 is a dark, vivid red. In OKLCH its lightness is 43%, its chroma 0.149 and its hue 16°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.030 away. White text reads best on it, at 8.61:1.
| Hue family | Reds |
| Lightness | dark (43%) |
| Chroma | vivid (0.149) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.43:1 |
| White text | 8.61:1 |
Values
| HEX | #911E33 |
| RGB | rgb(145, 30, 51) |
| HSL | hsl(349, 66%, 34%) |
| OKLCH | oklch(43.5% 0.149 16.4) |
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 #911E33 | 8.61:1 | AAA | Lc -92.9 | Preferred for body text |
| Black text on #911E33 | 2.43:1 | Fails | Lc 15.8 | Dividers and decoration only |
| #911E33 text on white | 8.61:1 | AAA | Lc 88.2 | Fine for body text |
| #911E33 text on black | 2.43:1 | Fails | Lc -13.9 | 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
#FDF2F3
oklch(97% 0.012 11)
-
Step 100
100
#FAE4E4
oklch(93.7% 0.024 17.6)
-
Step 200
200
#F8CDCE
oklch(88.6% 0.049 16.5)
-
Step 300
300
#F4AAAD
oklch(81% 0.087 16.5)
-
Step 400
400
#EA7982
oklch(70.7% 0.139 16.3)
-
Step 500
500
#E05063
oklch(63% 0.179 16.2)
-
Step 600
600
#CB2C4A
oklch(55.6% 0.193 16.4)
-
Step 700
700
#AF1B3B
oklch(49% 0.18 16.4)
-
Step 800
800 (this color)
#911E33
oklch(43.5% 0.149 16.4)
-
Step 900
900
#731F2B
oklch(37.8% 0.117 16.7)
-
Step 950
950
#441419
oklch(27.1% 0.074 17.4)
#911E33 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) | #3F3C33 | 0.166 |
| Deuteranopia (no green cones) | #5C5430 | 0.151 |
| Tritanopia (no blue cones) | #9F0027 | 0.032 |
| Achromatopsia (no color) | #4C4C4C | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #911E33
#911E33
oklch(43.5% 0.149 16.4)
- #005D5F
#005D5F
oklch(43.4% 0.074 197.3)
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 #911E33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.030
- Red Wine #8C0034 ΔE 0.033
- Cranberry #9E003A ΔE 0.034
- Carmine #9D0216 ΔE 0.038
- Blood Red #980002 ΔE 0.044
- Purple Red #990147 ΔE 0.044
- Brick Red #8F1402 ΔE 0.045
- Berry #990F4B ΔE 0.045
Use #911E33 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.