#972521
Closest named color: Auburn (#9B2226). oklch(44.9% 0.151 27.3), rgb(151, 37, 33).
Aa
White text reads best on this color (8.06:1).
About this color
#972521 is a dark, vivid red. In OKLCH its lightness is 45%, its chroma 0.151 and its hue 27°. 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 8.06:1.
| Hue family | Reds |
| Lightness | dark (45%) |
| Chroma | vivid (0.151) |
| Temperature | warm |
| Nearest name | Auburn (#9B2226) |
| Black text | 2.60:1 |
| White text | 8.06:1 |
Values
| HEX | #972521 |
| RGB | rgb(151, 37, 33) |
| HSL | hsl(2, 64%, 36%) |
| OKLCH | oklch(44.9% 0.151 27.3) |
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 #972521 | 8.06:1 | AAA | Lc -91.4 | Preferred for body text |
| Black text on #972521 | 2.60:1 | Fails | Lc 17.3 | Dividers and decoration only |
| #972521 text on white | 8.06:1 | AAA | Lc 86.7 | Fine for body text |
| #972521 text on black | 2.60:1 | Fails | Lc -15.4 | 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
#FDF3F1
oklch(97.1% 0.011 31.1)
-
Step 100
100
#FBE4E1
oklch(93.7% 0.026 26.5)
-
Step 200
200
#F8CEC8
oklch(88.6% 0.048 27.6)
-
Step 300
300
#F4ABA2
oklch(80.9% 0.088 27)
-
Step 400
400
#EB7B6F
oklch(70.7% 0.14 27.5)
-
Step 500
500
#E25249
oklch(63.1% 0.181 27.1)
-
Step 600
600
#CD2E2B
oklch(55.6% 0.196 27.2)
-
Step 700
700
#B11D1D
oklch(49.1% 0.183 27.3)
-
Step 800
800 (this color)
#972521
oklch(44.9% 0.151 27.3)
-
Step 900
900
#73201C
oklch(37.6% 0.117 27.1)
-
Step 950
950
#441411
oklch(26.9% 0.075 26.9)
#972521 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) | #47401F | 0.162 |
| Deuteranopia (no green cones) | #64591C | 0.148 |
| Tritanopia (no blue cones) | #A70025 | 0.040 |
| Achromatopsia (no color) | #505050 | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #972521
#972521
oklch(44.9% 0.151 27.3)
- #00616B
#00616B
oklch(45% 0.077 207.1)
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 #972521, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Auburn #9B2226 ΔE 0.011
- Burnt Red #9F2305 ΔE 0.024
- Brown Red #922B05 ΔE 0.027
- Carmine #9D0216 ΔE 0.029
- Red Brown #8B2E16 ΔE 0.030
- Deep Red #9A0200 ΔE 0.031
- Brown #A52A2A ΔE 0.033
- Blood Red #980002 ΔE 0.033
Use #972521 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.