#751B21
Closest named color: Wine Red (#7B0323). oklch(37.5% 0.124 22.1), rgb(117, 27, 33).
Aa
White text reads best on this color (10.85:1).
About this color
#751B21 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.124 and its hue 22°. Its hue sits on the warm side of the wheel. The nearest named color is Wine Red (#7B0323), ΔE 0.026 away. White text reads best on it, at 10.85:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.124) |
| Temperature | warm |
| Nearest name | Wine Red (#7B0323) |
| Black text | 1.93:1 |
| White text | 10.85:1 |
Values
| HEX | #751B21 |
| RGB | rgb(117, 27, 33) |
| HSL | hsl(356, 63%, 28%) |
| OKLCH | oklch(37.5% 0.124 22.1) |
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 #751B21 | 10.85:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #751B21 | 1.93:1 | Fails | Lc 9.9 | Not readable |
| #751B21 text on white | 10.85:1 | AAA | Lc 94.0 | Preferred for body text |
| #751B21 text on black | 1.93:1 | Fails | Lc -8.5 | 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 900.
-
Step 50
50
#FEF2F2
oklch(97.1% 0.013 17.4)
-
Step 100
100
#FCE3E2
oklch(93.6% 0.028 20.4)
-
Step 200
200
#FACCCA
oklch(88.4% 0.052 21.1)
-
Step 300
300
#F7A9A6
oklch(80.9% 0.093 21.8)
-
Step 400
400
#EF7776
oklch(70.8% 0.148 22)
-
Step 500
500
#E54C52
oklch(63.1% 0.189 22.2)
-
Step 600
600
#D12237
oklch(55.7% 0.206 22.1)
-
Step 700
700
#B40E29
oklch(49.1% 0.191 22.2)
-
Step 800
800
#921423
oklch(42.6% 0.158 22.2)
-
Step 900
900 (this color)
#751B21
oklch(37.5% 0.124 22.1)
-
Step 950
950
#451214
oklch(26.9% 0.078 21.9)
#751B21 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) | #353120 | 0.135 |
| Deuteranopia (no green cones) | #4B441E | 0.124 |
| Tritanopia (no blue cones) | #81001E | 0.031 |
| Achromatopsia (no color) | #3D3D3D | 0.125 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #751B21
#751B21
oklch(37.5% 0.124 22.1)
- #004B50
#004B50
oklch(37.6% 0.064 202.5)
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 #751B21, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Wine Red #7B0323 ΔE 0.026
- Blood #770001 ΔE 0.033
- Reddy Brown #6E1005 ΔE 0.034
- Maroon #800000 ΔE 0.035
- Bordeaux #7B002C ΔE 0.036
- Chestnut #742802 ΔE 0.043
- Claret #680018 ΔE 0.049
- Dark Red #8B0000 ΔE 0.050
Use #751B21 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.