#751E18
Closest named color: Chestnut (#742802). oklch(37.7% 0.122 28.3), rgb(117, 30, 24).
Aa
White text reads best on this color (10.74:1).
About this color
#751E18 is a dark, moderately saturated red. In OKLCH its lightness is 38%, its chroma 0.122 and its hue 28°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.030 away. White text reads best on it, at 10.74:1.
| Hue family | Reds |
| Lightness | dark (38%) |
| Chroma | moderately saturated (0.122) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 1.95:1 |
| White text | 10.74:1 |
Values
| HEX | #751E18 |
| RGB | rgb(117, 30, 24) |
| HSL | hsl(4, 66%, 28%) |
| OKLCH | oklch(37.7% 0.122 28.3) |
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 #751E18 | 10.74:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #751E18 | 1.95:1 | Fails | Lc 10.1 | Not readable |
| #751E18 text on white | 10.74:1 | AAA | Lc 93.8 | Preferred for body text |
| #751E18 text on black | 1.95:1 | Fails | Lc -8.7 | 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
#F6AA9F
oklch(80.8% 0.092 28.4)
-
Step 400
400
#EE796B
oklch(70.7% 0.147 28.4)
-
Step 500
500
#E44F43
oklch(63% 0.187 28.2)
-
Step 600
600
#D02822
oklch(55.6% 0.204 28.3)
-
Step 700
700
#B31614
oklch(49% 0.189 28.3)
-
Step 800
800
#921914
oklch(42.8% 0.157 28.5)
-
Step 900
900 (this color)
#751E18
oklch(37.7% 0.122 28.3)
-
Step 950
950
#45130F
oklch(26.9% 0.078 28)
#751E18 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) | #383217 | 0.129 |
| Deuteranopia (no green cones) | #4D4515 | 0.119 |
| Tritanopia (no blue cones) | #81001D | 0.037 |
| Achromatopsia (no color) | #3E3E3E | 0.123 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #751E18
#751E18
oklch(37.7% 0.122 28.3)
- #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 #751E18, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.030
- Reddy Brown #6E1005 ΔE 0.030
- Blood #770001 ΔE 0.032
- Maroon #800000 ΔE 0.033
- Wine Red #7B0323 ΔE 0.037
- Dark Red #8B0000 ΔE 0.048
- Bordeaux #7B002C ΔE 0.049
- Claret #680018 ΔE 0.055
Use #751E18 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.