#751F18
Closest named color: Chestnut (#742802). oklch(37.8% 0.121 28.8), rgb(117, 31, 24).
Aa
White text reads best on this color (10.68:1).
About this color
#751F18 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.121 and its hue 29°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.028 away. White text reads best on it, at 10.68:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.121) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.96:1 |
| White text | 10.68:1 |
Values
| HEX | #751F18 |
| RGB | rgb(117, 31, 24) |
| HSL | hsl(5, 66%, 28%) |
| OKLCH | oklch(37.8% 0.121 28.8) |
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 #751F18 | 10.68:1 | AAA | Lc -97.8 | Preferred for body text |
| Black text on #751F18 | 1.96:1 | Fails | Lc 10.2 | Not readable |
| #751F18 text on white | 10.68:1 | AAA | Lc 93.7 | Preferred for body text |
| #751F18 text on black | 1.96:1 | Fails | Lc -8.8 | 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
#FEF3F1
oklch(97.2% 0.012 29.9)
-
Step 100
100
#FBE4E0
oklch(93.6% 0.026 29.4)
-
Step 200
200
#F9CDC6
oklch(88.4% 0.051 28.7)
-
Step 300
300
#F6AB9F
oklch(81% 0.091 29.3)
-
Step 400
400
#ED7A6B
oklch(70.7% 0.145 28.9)
-
Step 500
500
#E45042
oklch(63.1% 0.186 28.8)
-
Step 600
600
#CF2A21
oklch(55.6% 0.202 28.8)
-
Step 700
700
#B31913
oklch(49.2% 0.188 28.9)
-
Step 800
800
#911A14
oklch(42.7% 0.155 28.7)
-
Step 900
900 (this color)
#751F18
oklch(37.8% 0.121 28.8)
-
Step 950
950
#45140F
oklch(27.1% 0.077 28.9)
#751F18 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) | #383216 | 0.129 |
| Deuteranopia (no green cones) | #4D4515 | 0.118 |
| Tritanopia (no blue cones) | #81011E | 0.038 |
| Achromatopsia (no color) | #3E3E3E | 0.122 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #751F18
#751F18
oklch(37.8% 0.121 28.8)
- #004B54
#004B54
oklch(37.8% 0.065 208.5)
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 #751F18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.028
- Reddy Brown #6E1005 ΔE 0.031
- Blood #770001 ΔE 0.033
- Maroon #800000 ΔE 0.034
- Wine Red #7B0323 ΔE 0.038
- Dark Red #8B0000 ΔE 0.048
- Bordeaux #7B002C ΔE 0.050
- Brick Red #8F1402 ΔE 0.055
Use #751F18 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.