#751B04
Closest named color: Chestnut (#742802). oklch(37.2% 0.128 34.4), rgb(117, 27, 4).
Aa
White text reads best on this color (10.96:1).
About this color
#751B04 is a dark, moderately saturated red. In OKLCH its lightness is 37%, its chroma 0.128 and its hue 34°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.024 away. White text reads best on it, at 10.96:1.
| Hue family | Reds |
| Lightness | dark (37%) |
| Chroma | moderately saturated (0.128) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.91:1 |
| White text | 10.96:1 |
Values
| HEX | #751B04 |
| RGB | rgb(117, 27, 4) |
| HSL | hsl(12, 93%, 24%) |
| OKLCH | oklch(37.2% 0.128 34.4) |
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 #751B04 | 10.96:1 | AAA | Lc -98.2 | Preferred for body text |
| Black text on #751B04 | 1.91:1 | Fails | Lc 9.8 | Not readable |
| #751B04 text on white | 10.96:1 | AAA | Lc 94.1 | Preferred for body text |
| #751B04 text on black | 1.91:1 | Fails | Lc -8.4 | 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
#FEF3F0
oklch(97.2% 0.013 35.7)
-
Step 100
100
#FCE4DE
oklch(93.7% 0.028 34.3)
-
Step 200
200
#FACDC2
oklch(88.4% 0.053 34)
-
Step 300
300
#F8AA97
oklch(80.9% 0.097 34.3)
-
Step 400
400
#F0795D
oklch(70.7% 0.153 34.4)
-
Step 500
500
#E74E29
oklch(63.1% 0.196 34.6)
-
Step 600
600
#CD3100
oklch(55.6% 0.198 34.4)
-
Step 700
700
#AD2800
oklch(49% 0.174 34.5)
-
Step 800
800
#8F1F00
oklch(42.6% 0.152 34.4)
-
Step 900
900 (this color)
#751B04
oklch(37.2% 0.128 34.4)
-
Step 950
950
#461307
oklch(27% 0.081 34.7)
#751B04 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) | #373000 | 0.134 |
| Deuteranopia (no green cones) | #4D4400 | 0.121 |
| Tritanopia (no blue cones) | #820017 | 0.040 |
| Achromatopsia (no color) | #3C3C3C | 0.129 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #751B04
#751B04
oklch(37.2% 0.128 34.4)
- #004956
#004956
oklch(37.3% 0.066 214.7)
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 #751B04, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.024
- Reddy Brown #6E1005 ΔE 0.025
- Blood #770001 ΔE 0.027
- Maroon #800000 ΔE 0.030
- Wine Red #7B0323 ΔE 0.046
- Dark Red #8B0000 ΔE 0.047
- Brick Red #8F1402 ΔE 0.055
- Claret #680018 ΔE 0.057
Use #751B04 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.