#72370B
Closest named color: Chestnut (#742802). oklch(40.7% 0.098 51.2), rgb(114, 55, 11).
Aa
White text reads best on this color (9.26:1).
About this color
#72370B is a dark, moderately saturated brown. In OKLCH its lightness is 41%, its chroma 0.098 and its hue 51°. 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 9.26:1.
| Hue family | Browns |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.098) |
| Temperature | warm |
| Nearest name | Chestnut (#742802) |
| Black text | 2.26:1 |
| White text | 9.26:1 |
Values
| HEX | #72370B |
| RGB | rgb(114, 55, 11) |
| HSL | hsl(26, 82%, 25%) |
| OKLCH | oklch(40.7% 0.098 51.2) |
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 #72370B | 9.26:1 | AAA | Lc -95.3 | Preferred for body text |
| Black text on #72370B | 2.26:1 | Fails | Lc 13.1 | Not readable |
| #72370B text on white | 9.26:1 | AAA | Lc 90.9 | Preferred for body text |
| #72370B text on black | 2.26:1 | Fails | Lc -11.4 | 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 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
#EBD4C7
oklch(88.5% 0.031 51.5)
-
Step 300
300
#E0B79F
oklch(81% 0.058 52)
-
Step 400
400
#CF906B
oklch(70.7% 0.092 51.2)
-
Step 500
500
#C17342
oklch(63.1% 0.118 51.3)
-
Step 600
600
#AC5A20
oklch(55.6% 0.127 51.5)
-
Step 700
700
#944911
oklch(49.1% 0.119 51.1)
-
Step 800
800 (this color)
#72370B
oklch(40.7% 0.098 51.2)
-
Step 900
900
#613417
oklch(37.6% 0.077 51.1)
-
Step 950
950
#391F0F
oklch(27% 0.048 51.1)
#72370B 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) | #483F03 | 0.085 |
| Deuteranopia (no green cones) | #564C0A | 0.076 |
| Tritanopia (no blue cones) | #7E2A2F | 0.060 |
| Achromatopsia (no color) | #474747 | 0.099 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #72370B
#72370B
oklch(40.7% 0.098 51.2)
- #00516E
#00516E
oklch(40.8% 0.082 231)
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 #72370B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Chestnut #742802 ΔE 0.033
- Mud Brown #60460F ΔE 0.050
- Rust Brown #8B3103 ΔE 0.050
- Red Brown #8B2E16 ΔE 0.054
- Purple Brown #673A3F ΔE 0.062
- Saddle Brown #8B4513 ΔE 0.065
- Brown Red #922B05 ΔE 0.066
- Milk Chocolate #7F4E1E ΔE 0.066
Use #72370B 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.