#75370A
Closest named color: Chestnut (#742802). oklch(41.2% 0.102 50.2), rgb(117, 55, 10).
Aa
White text reads best on this color (9.10:1).
About this color
#75370A is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.102 and its hue 50°. Its hue sits on the warm side of the wheel. The nearest named color is Chestnut (#742802), ΔE 0.033 away. White text reads best on it, at 9.10:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.102) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.30:1 |
| White text | 9.10:1 |
Values
| HEX | #75370A |
| RGB | rgb(117, 55, 10) |
| HSL | hsl(25, 84%, 25%) |
| OKLCH | oklch(41.2% 0.102 50.2) |
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 #75370A | 9.10:1 | AAA | Lc -94.9 | Preferred for body text |
| Black text on #75370A | 2.30:1 | Fails | Lc 13.5 | Not readable |
| #75370A text on white | 9.10:1 | AAA | Lc 90.4 | Preferred for body text |
| #75370A text on black | 2.30:1 | Fails | Lc -11.9 | 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
#FAF4F1
oklch(97.1% 0.008 48.7)
-
Step 100
100
#F4E7E0
oklch(93.6% 0.017 50.4)
-
Step 200
200
#ECD3C6
oklch(88.4% 0.033 49.3)
-
Step 300
300
#E1B69F
oklch(80.9% 0.059 49.6)
-
Step 400
400
#D18F6A
oklch(70.7% 0.095 49.9)
-
Step 500
500
#C37140
oklch(63% 0.122 49.9)
-
Step 600
600
#AF581C
oklch(55.7% 0.133 50.2)
-
Step 700
700
#96470D
oklch(49.1% 0.124 49.9)
-
Step 800
800 (this color)
#75370A
oklch(41.2% 0.102 50.2)
-
Step 900
900
#623316
oklch(37.6% 0.079 49.9)
-
Step 950
950
#3A1E0E
oklch(26.9% 0.051 49.1)
#75370A 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) | #494002 | 0.089 |
| Deuteranopia (no green cones) | #584E08 | 0.081 |
| Tritanopia (no blue cones) | #81292F | 0.061 |
| Achromatopsia (no color) | #484848 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #75370A
#75370A
oklch(41.2% 0.102 50.2)
- #00526F
#00526F
oklch(41.1% 0.083 230.8)
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 #75370A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.033
- Rust Brown #8B3103 ΔE 0.044
- Red Brown #8B2E16 ΔE 0.049
- Mud Brown #60460F ΔE 0.054
- Saddle Brown #8B4513 ΔE 0.060
- Brown Red #922B05 ΔE 0.060
- Milk Chocolate #7F4E1E ΔE 0.063
- Purple Brown #673A3F ΔE 0.064
Use #75370A 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.