#9B1F1A
Closest named color: Auburn (#9B2226). oklch(45% 0.161 28.1), rgb(155, 31, 26).
Aa
White text reads best on this color (8.06:1).
About this color
#9B1F1A is a medium-dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.161 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.011 away. White text reads best on it, at 8.06:1.
| Hue family | Reds |
| Lightness | medium-dark (45%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #9B1F1A |
| RGB | rgb(155, 31, 26) |
| HSL | hsl(2, 71%, 35%) |
| OKLCH | oklch(45% 0.161 28.1) |
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 #9B1F1A | 8.06:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #9B1F1A | 2.60:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #9B1F1A text on white | 8.06:1 | AAA | Lc 86.4 | Fine for body text |
| #9B1F1A text on black | 2.60:1 | Fails | Lc -15.7 | 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
#FCE4E0
oklch(93.7% 0.027 28.9)
-
Step 200
200
#FACDC6
oklch(88.5% 0.052 28.5)
-
Step 300
300
#F7AA9F
oklch(80.9% 0.093 28.3)
-
Step 400
400
#EF786A
oklch(70.7% 0.149 28.3)
-
Step 500
500
#E64D41
oklch(63.1% 0.191 28.3)
-
Step 600
600
#D2231F
oklch(55.6% 0.209 28.2)
-
Step 700
700
#B50F11
oklch(49.1% 0.194 28.1)
-
Step 800
800 (this color)
#9B1F1A
oklch(45% 0.161 28.1)
-
Step 900
900
#761C17
oklch(37.7% 0.125 28)
-
Step 950
950
#46130E
oklch(27.1% 0.079 28.9)
#9B1F1A 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) | #473F18 | 0.172 |
| Deuteranopia (no green cones) | #655A13 | 0.158 |
| Tritanopia (no blue cones) | #AB0020 | 0.036 |
| Achromatopsia (no color) | #505050 | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9B1F1A
#9B1F1A
oklch(45% 0.161 28.1)
- #00616C
#00616C
oklch(45.1% 0.078 208.2)
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 #9B1F1A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.011
- Burnt Red #9F2305 ΔE 0.018
- Carmine #9D0216 ΔE 0.022
- Deep Red #9A0200 ΔE 0.025
- Blood Red #980002 ΔE 0.028
- Brown Red #922B05 ΔE 0.030
- Brown #A52A2A ΔE 0.031
- Brick Red #8F1402 ΔE 0.034
Use #9B1F1A 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.