#9D181A
Closest named color: Auburn (#9B2226). oklch(44.9% 0.167 26.7), rgb(157, 24, 26).
Aa
White text reads best on this color (8.14:1).
About this color
#9D181A is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.167 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.013 away. White text reads best on it, at 8.14:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.167) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.57:1 |
| White text | 8.14:1 |
Values
| HEX | #9D181A |
| RGB | rgb(157, 24, 26) |
| HSL | hsl(359, 73%, 35%) |
| OKLCH | oklch(44.9% 0.167 26.7) |
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 #9D181A | 8.14:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #9D181A | 2.57:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #9D181A text on white | 8.14:1 | AAA | Lc 86.4 | Fine for body text |
| #9D181A text on black | 2.57:1 | Fails | Lc -15.6 | 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
#FCE3E0
oklch(93.5% 0.028 25.9)
-
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
#F2756A
oklch(70.7% 0.156 26.9)
-
Step 500
500
#EA4841
oklch(63.2% 0.2 27)
-
Step 600
600
#D51720
oklch(55.6% 0.217 26.8)
-
Step 700
700
#B70013
oklch(49% 0.2 26.8)
-
Step 800
800 (this color)
#9D181A
oklch(44.9% 0.167 26.7)
-
Step 900
900
#781817
oklch(37.7% 0.131 26.6)
-
Step 950
950
#47110F
oklch(27.1% 0.083 26.4)
#9D181A 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) | #453D18 | 0.181 |
| Deuteranopia (no green cones) | #655A13 | 0.166 |
| Tritanopia (no blue cones) | #AE001B | 0.035 |
| Achromatopsia (no color) | #4F4F4F | 0.169 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9D181A
#9D181A
oklch(44.9% 0.167 26.7)
- #00616A
#00616A
oklch(45% 0.077 205.9)
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 #9D181A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.013
- Carmine #9D0216 ΔE 0.015
- Deep Red #9A0200 ΔE 0.021
- Burnt Red #9F2305 ΔE 0.022
- Blood Red #980002 ΔE 0.024
- Brown #A52A2A ΔE 0.032
- Brick Red #8F1402 ΔE 0.035
- Brown Red #922B05 ΔE 0.037
Use #9D181A 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.