#9E181C
Closest named color: Auburn (#9B2226). oklch(45.1% 0.168 26.2), rgb(158, 24, 28).
Aa
White text reads best on this color (8.07:1).
About this color
#9E181C is a medium-dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.168 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.012 away. White text reads best on it, at 8.07:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.168) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.60:1 |
| White text | 8.07:1 |
Values
| HEX | #9E181C |
| RGB | rgb(158, 24, 28) |
| HSL | hsl(358, 74%, 36%) |
| OKLCH | oklch(45.1% 0.168 26.2) |
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 #9E181C | 8.07:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #9E181C | 2.60:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #9E181C text on white | 8.07:1 | AAA | Lc 86.2 | Fine for body text |
| #9E181C text on black | 2.60:1 | Fails | Lc -15.9 | Dividers and decoration only |
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
#FEF2F1
oklch(97% 0.013 23.2)
-
Step 100
100
#FDE3E0
oklch(93.6% 0.029 25.6)
-
Step 200
200
#FBCCC6
oklch(88.4% 0.054 26.7)
-
Step 300
300
#FAA89F
oklch(80.9% 0.099 26.3)
-
Step 400
400
#F3756B
oklch(70.8% 0.157 26.4)
-
Step 500
500
#EA4743
oklch(63.1% 0.2 26.2)
-
Step 600
600
#D51422
oklch(55.5% 0.218 26.1)
-
Step 700
700
#B70016
oklch(49.1% 0.2 26.3)
-
Step 800
800 (this color)
#9E181C
oklch(45.1% 0.168 26.2)
-
Step 900
900
#781818
oklch(37.7% 0.131 26.2)
-
Step 950
950
#47110F
oklch(27.1% 0.083 26.4)
#9E181C 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) | #453E1A | 0.183 |
| Deuteranopia (no green cones) | #655A15 | 0.166 |
| Tritanopia (no blue cones) | #AF001C | 0.035 |
| Achromatopsia (no color) | #505050 | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9E181C
#9E181C
oklch(45.1% 0.168 26.2)
- #00616B
#00616B
oklch(45% 0.077 207.1)
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 #9E181C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.012
- Carmine #9D0216 ΔE 0.016
- Burnt Red #9F2305 ΔE 0.023
- Deep Red #9A0200 ΔE 0.023
- Blood Red #980002 ΔE 0.027
- Brown #A52A2A ΔE 0.030
- Brick Red #8F1402 ΔE 0.038
- Brown Red #922B05 ΔE 0.039
Use #9E181C 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.