#7E2521
Closest named color: Chestnut (#742802). oklch(40.3% 0.124 26.8), rgb(126, 37, 33).
Aa
White text reads best on this color (9.66:1).
About this color
#7E2521 is a dark, moderately saturated red. In OKLCH its lightness is 40%, its chroma 0.124 and its hue 27°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.036 away. White text reads best on it, at 9.66:1.
| Hue family | Reds |
| Lightness | dark (40%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.17:1 |
| White text | 9.66:1 |
Values
| HEX | #7E2521 |
| RGB | rgb(126, 37, 33) |
| HSL | hsl(3, 58%, 31%) |
| OKLCH | oklch(40.3% 0.124 26.8) |
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 #7E2521 | 9.66:1 | AAA | Lc -95.8 | Preferred for body text |
| Black text on #7E2521 | 2.17:1 | Fails | Lc 12.5 | Not readable |
| #7E2521 text on white | 9.66:1 | AAA | Lc 91.4 | Preferred for body text |
| #7E2521 text on black | 2.17:1 | Fails | Lc -10.9 | 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
#FCF3F2
oklch(97.1% 0.01 25.1)
-
Step 100
100
#F8E5E2
oklch(93.6% 0.021 28.3)
-
Step 200
200
#F3D0CB
oklch(88.6% 0.04 27.5)
-
Step 300
300
#ECAFA8
oklch(80.9% 0.073 26.2)
-
Step 400
400
#DF8379
oklch(70.6% 0.115 27)
-
Step 500
500
#D46157
oklch(63.2% 0.147 27.1)
-
Step 600
600
#BF433C
oklch(55.5% 0.161 26.9)
-
Step 700
700
#A5342F
oklch(49.2% 0.15 26.7)
-
Step 800
800 (this color)
#7E2521
oklch(40.3% 0.124 26.8)
-
Step 900
900
#6C2924
oklch(37.7% 0.097 27)
-
Step 950
950
#3F1916
oklch(27% 0.06 26.4)
#7E2521 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) | #3E3820 | 0.132 |
| Deuteranopia (no green cones) | #544C1E | 0.122 |
| Tritanopia (no blue cones) | #8B0A25 | 0.039 |
| Achromatopsia (no color) | #454545 | 0.124 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #7E2521
#7E2521
oklch(40.3% 0.124 26.8)
- #00535B
#00535B
oklch(40.4% 0.069 206)
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 #7E2521, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.036
- Red Brown #8B2E16 ΔE 0.039
- Brick Red #8F1402 ΔE 0.040
- Dark Red #8B0000 ΔE 0.041
- Maroon #800000 ΔE 0.041
- Wine Red #7B0323 ΔE 0.046
- Rust Brown #8B3103 ΔE 0.049
- Blood #770001 ΔE 0.051
Use #7E2521 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.