#971F21
Closest named color: Auburn (#9B2226). oklch(44.4% 0.156 25.6), rgb(151, 31, 33).
Aa
White text reads best on this color (8.28:1).
About this color
#971F21 is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.156 and its hue 26°. 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 8.28:1.
| 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 | #971F21 |
| RGB | rgb(151, 31, 33) |
| HSL | hsl(359, 66%, 36%) |
| OKLCH | oklch(44.4% 0.156 25.6) |
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 #971F21 | 8.28:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #971F21 | 2.53:1 | Fails | Lc 16.8 | Dividers and decoration only |
| #971F21 text on white | 8.28:1 | AAA | Lc 87.2 | Fine for body text |
| #971F21 text on black | 2.53:1 | Fails | Lc -14.9 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F9CDC8
oklch(88.5% 0.05 25.7)
-
Step 300
300
#F6AAA2
oklch(80.9% 0.091 25.9)
-
Step 400
400
#EE7970
oklch(70.8% 0.146 25.9)
-
Step 500
500
#E44F4B
oklch(63.1% 0.186 25.5)
-
Step 600
600
#CF282D
oklch(55.5% 0.202 25.7)
-
Step 700
700
#B31620
oklch(49.1% 0.188 25.6)
-
Step 800
800 (this color)
#971F21
oklch(44.4% 0.156 25.6)
-
Step 900
900
#751E1D
oklch(37.8% 0.121 25.7)
-
Step 950
950
#451312
oklch(27% 0.077 24.9)
#971F21 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) | #443E20 | 0.170 |
| Deuteranopia (no green cones) | #62581C | 0.155 |
| Tritanopia (no blue cones) | #A70021 | 0.035 |
| Achromatopsia (no color) | #4E4E4E | 0.157 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #971F21
#971F21
oklch(44.4% 0.156 25.6)
- #005F68
#005F68
oklch(44.3% 0.076 206.1)
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 #971F21, 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 0.026
- Blood Red #980002 ΔE 0.027
- Burnt Red #9F2305 ΔE 0.028
- Brick Red #8F1402 ΔE 0.031
- Brown Red #922B05 ΔE 0.032
- Red Brown #8B2E16 ΔE 0.035
Use #971F21 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.