#971B0D
Closest named color: Deep Red (#9A0200). oklch(43.9% 0.161 30.6), rgb(151, 27, 13).
Aa
White text reads best on this color (8.47:1).
About this color
#971B0D is a dark, vivid red. In OKLCH its lightness is 44%, its chroma 0.161 and its hue 31°. Its hue sits on the warm side of the wheel. The nearest named color is Deep Red (#9A0200), ΔE 0.017 away. White text reads best on it, at 8.47:1.
| Hue family | Reds |
| Lightness | dark (44%) |
| Chroma | vivid (0.161) |
| Temperature | warm |
| Nearest name | Deep Red (#9A0200) |
| Black text | 2.47:1 |
| White text | 8.47:1 |
Values
| HEX | #971B0D |
| RGB | rgb(151, 27, 13) |
| HSL | hsl(6, 84%, 32%) |
| OKLCH | oklch(43.9% 0.161 30.6) |
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 #971B0D | 8.47:1 | AAA | Lc -92.2 | Preferred for body text |
| Black text on #971B0D | 2.47:1 | Fails | Lc 16.5 | Dividers and decoration only |
| #971B0D text on white | 8.47:1 | AAA | Lc 87.6 | Fine for body text |
| #971B0D text on black | 2.47:1 | Fails | Lc -14.6 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DF
oklch(93.7% 0.027 31.7)
-
Step 200
200
#FACDC5
oklch(88.5% 0.052 29.9)
-
Step 300
300
#F7AA9C
oklch(80.9% 0.094 30.6)
-
Step 400
400
#EF7865
oklch(70.6% 0.15 30.6)
-
Step 500
500
#E64E3A
oklch(63.1% 0.192 30.6)
-
Step 600
600
#D22411
oklch(55.6% 0.209 30.5)
-
Step 700
700
#B51200
oklch(49.1% 0.194 30.6)
-
Step 800
800 (this color)
#971B0D
oklch(43.9% 0.161 30.6)
-
Step 900
900
#761D12
oklch(37.7% 0.125 30.6)
-
Step 950
950
#46130C
oklch(27.1% 0.08 30.7)
#971B0D 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) | #443B08 | 0.173 |
| Deuteranopia (no green cones) | #625702 | 0.157 |
| Tritanopia (no blue cones) | #A7001A | 0.037 |
| Achromatopsia (no color) | #4D4D4D | 0.162 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #971B0D
#971B0D
oklch(43.9% 0.161 30.6)
- #005D6A
#005D6A
oklch(43.9% 0.076 211.2)
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 #971B0D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Deep Red #9A0200 ΔE 0.017
- Blood Red #980002 ΔE 0.019
- Brick Red #8F1402 ΔE 0.021
- Carmine #9D0216 ΔE 0.022
- Burnt Red #9F2305 ΔE 0.023
- Auburn #9B2226 ΔE 0.023
- Brown Red #922B05 ΔE 0.025
- Red Brown #8B2E16 ΔE 0.032
Use #971B0D 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.