#9F1D21
Closest named color: Auburn (#9B2226). oklch(45.7% 0.165 25.5), rgb(159, 29, 33).
Aa
White text reads best on this color (7.85:1).
About this color
#9F1D21 is a medium-dark, vivid red. In OKLCH its lightness is 46%, its chroma 0.165 and its hue 26°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.009 away. White text reads best on it, at 7.85:1.
| Hue family | Reds |
| Lightness | medium-dark (46%) |
| Chroma | vivid (0.165) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #9F1D21 |
| RGB | rgb(159, 29, 33) |
| HSL | hsl(358, 69%, 37%) |
| OKLCH | oklch(45.7% 0.165 25.5) |
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 #9F1D21 | 7.85:1 | AAA | Lc -90.5 | Preferred for body text |
| Black text on #9F1D21 | 2.67:1 | Fails | Lc 18.3 | Dividers and decoration only |
| #9F1D21 text on white | 7.85:1 | AAA | Lc 85.7 | Fine for body text |
| #9F1D21 text on black | 2.67:1 | Fails | Lc -16.4 | 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
#FBCCC7
oklch(88.5% 0.054 25.3)
-
Step 300
300
#F9A8A1
oklch(80.9% 0.097 24.9)
-
Step 400
400
#F2756D
oklch(70.7% 0.155 25.5)
-
Step 500
500
#E94946
oklch(63.2% 0.197 25.7)
-
Step 600
600
#D41A27
oklch(55.6% 0.214 25.6)
-
Step 700
700
#B7001A
oklch(49.1% 0.199 25.4)
-
Step 800
800 (this color)
#9F1D21
oklch(45.7% 0.165 25.5)
-
Step 900
900
#77191A
oklch(37.6% 0.128 25.5)
-
Step 950
950
#461110
oklch(26.9% 0.081 25.4)
#9F1D21 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) | #47401F | 0.180 |
| Deuteranopia (no green cones) | #675C1B | 0.164 |
| Tritanopia (no blue cones) | #B00020 | 0.035 |
| Achromatopsia (no color) | #525252 | 0.166 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9F1D21
#9F1D21
oklch(45.7% 0.165 25.5)
- #00636C
#00636C
oklch(45.6% 0.078 205.7)
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 #9F1D21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.009
- Carmine #9D0216 ΔE 0.022
- Burnt Red #9F2305 ΔE 0.023
- Brown #A52A2A ΔE 0.024
- Deep Red #9A0200 ΔE 0.030
- Blood Red #980002 ΔE 0.033
- Rufous #AE2012 ΔE 0.035
- Rust Red #AA2704 ΔE 0.037
Use #9F1D21 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.