#971D31
Closest named color: Auburn (#9B2226). oklch(44.5% 0.156 18.1), rgb(151, 29, 49).
Aa
White text reads best on this color (8.28:1).
About this color
#971D31 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.156 and its hue 18°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.020 away. White text reads best on it, at 8.28:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.53:1 |
| White text | 8.28:1 |
Values
| HEX | #971D31 |
| RGB | rgb(151, 29, 49) |
| HSL | hsl(350, 68%, 35%) |
| OKLCH | oklch(44.5% 0.156 18.1) |
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 #971D31 | 8.28:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #971D31 | 2.53:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #971D31 text on white | 8.28:1 | AAA | Lc 87.1 | Fine for body text |
| #971D31 text on black | 2.53:1 | Fails | Lc -15.0 | Not readable |
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
#FBE3E3
oklch(93.5% 0.026 17.6)
-
Step 200
200
#F9CCCC
oklch(88.4% 0.051 18.2)
-
Step 300
300
#F6A9AA
oklch(80.9% 0.091 18.4)
-
Step 400
400
#ED777E
oklch(70.7% 0.146 17.8)
-
Step 500
500
#E44C5D
oklch(63.1% 0.187 18)
-
Step 600
600
#CF2443
oklch(55.6% 0.203 18.2)
-
Step 700
700
#B31135
oklch(49.2% 0.189 18.2)
-
Step 800
800 (this color)
#971D31
oklch(44.5% 0.156 18.1)
-
Step 900
900
#751C28
oklch(37.8% 0.122 18)
-
Step 950
950
#451218
oklch(27% 0.078 17.3)
#971D31 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) | #423E31 | 0.172 |
| Deuteranopia (no green cones) | #60572D | 0.157 |
| Tritanopia (no blue cones) | #A60026 | 0.032 |
| Achromatopsia (no color) | #4E4E4E | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #971D31
#971D31
oklch(44.5% 0.156 18.1)
- #006063
#006063
oklch(44.4% 0.076 198.5)
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 #971D31, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.020
- Cranberry #9E003A ΔE 0.029
- Carmine #9D0216 ΔE 0.030
- Blood Red #980002 ΔE 0.040
- Deep Red #9A0200 ΔE 0.040
- Brown #A52A2A ΔE 0.042
- Red Wine #8C0034 ΔE 0.042
- Rouge #AB1239 ΔE 0.042
Use #971D31 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.