#971D33
Closest named color: Auburn (#9B2226). oklch(44.5% 0.156 17.1), rgb(151, 29, 51).
Aa
White text reads best on this color (8.26:1).
About this color
#971D33 is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.156 and its hue 17°. Its hue sits on the warm side of the wheel. The nearest named color is Auburn (#9B2226), ΔE 0.023 away. White text reads best on it, at 8.26:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.156) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.53:1 |
| White text | 8.26:1 |
Values
| HEX | #971D33 |
| RGB | rgb(151, 29, 51) |
| HSL | hsl(349, 68%, 35%) |
| OKLCH | oklch(44.5% 0.156 17.1) |
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 #971D33 | 8.26:1 | AAA | Lc -91.8 | Preferred for body text |
| Black text on #971D33 | 2.53:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #971D33 text on white | 8.26:1 | AAA | Lc 87.1 | Fine for body text |
| #971D33 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
#F9CCCD
oklch(88.4% 0.051 16.7)
-
Step 300
300
#F6A9AB
oklch(80.9% 0.091 17.6)
-
Step 400
400
#ED777F
oklch(70.7% 0.146 17.3)
-
Step 500
500
#E44C5F
oklch(63.1% 0.187 17.2)
-
Step 600
600
#CF2446
oklch(55.7% 0.203 17.1)
-
Step 700
700
#B21138
oklch(49% 0.188 16.9)
-
Step 800
800 (this color)
#971D33
oklch(44.5% 0.156 17.1)
-
Step 900
900
#741C29
oklch(37.6% 0.121 17.1)
-
Step 950
950
#451218
oklch(27% 0.078 17.3)
#971D33 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) | #413E33 | 0.174 |
| Deuteranopia (no green cones) | #60582F | 0.159 |
| Tritanopia (no blue cones) | #A60027 | 0.033 |
| Achromatopsia (no color) | #4E4E4E | 0.158 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #971D33
#971D33
oklch(44.5% 0.156 17.1)
- #006062
#006062
oklch(44.4% 0.075 197.3)
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 #971D33, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.023
- Cranberry #9E003A ΔE 0.027
- Carmine #9D0216 ΔE 0.032
- Red Wine #8C0034 ΔE 0.041
- Rouge #AB1239 ΔE 0.042
- Brown #A52A2A ΔE 0.043
- Berry #990F4B ΔE 0.043
- Blood Red #980002 ΔE 0.043
Use #971D33 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.