#9B1B2A
Closest named color: Auburn (#9B2226). oklch(44.9% 0.162 21.4), rgb(155, 27, 42).
Aa
White text reads best on this color (8.12:1).
About this color
#9B1B2A is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.162 and its hue 21°. 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 8.12:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.162) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.58:1 |
| White text | 8.12:1 |
Values
| HEX | #9B1B2A |
| RGB | rgb(155, 27, 42) |
| HSL | hsl(353, 70%, 36%) |
| OKLCH | oklch(44.9% 0.162 21.4) |
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 #9B1B2A | 8.12:1 | AAA | Lc -91.3 | Preferred for body text |
| Black text on #9B1B2A | 2.58:1 | Fails | Lc 17.5 | Dividers and decoration only |
| #9B1B2A text on white | 8.12:1 | AAA | Lc 86.5 | Fine for body text |
| #9B1B2A text on black | 2.58:1 | Fails | Lc -15.5 | 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
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FACCCA
oklch(88.4% 0.052 21.1)
-
Step 300
300
#F8A8A6
oklch(80.9% 0.095 20.9)
-
Step 400
400
#F07676
oklch(70.8% 0.151 21.6)
-
Step 500
500
#E74953
oklch(63.1% 0.194 21.2)
-
Step 600
600
#D21D38
oklch(55.6% 0.21 21.2)
-
Step 700
700
#B5052A
oklch(49% 0.195 21.3)
-
Step 800
800 (this color)
#9B1B2A
oklch(44.9% 0.162 21.4)
-
Step 900
900
#761A22
oklch(37.7% 0.126 21.3)
-
Step 950
950
#461214
oklch(27.1% 0.08 22)
#9B1B2A 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) | #433E29 | 0.179 |
| Deuteranopia (no green cones) | #635926 | 0.162 |
| Tritanopia (no blue cones) | #AB0022 | 0.033 |
| Achromatopsia (no color) | #4F4F4F | 0.163 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #9B1B2A
#9B1B2A
oklch(44.9% 0.162 21.4)
- #006167
#006167
oklch(44.8% 0.076 202.2)
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 #9B1B2A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.011
- Carmine #9D0216 ΔE 0.022
- Deep Red #9A0200 ΔE 0.033
- Brown #A52A2A ΔE 0.033
- Cranberry #9E003A ΔE 0.034
- Blood Red #980002 ΔE 0.034
- Burnt Red #9F2305 ΔE 0.036
- Rouge #AB1239 ΔE 0.038
Use #9B1B2A 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.