#403B17
Closest named color: Dark Olive (#373E02). oklch(34.9% 0.054 101.5), rgb(64, 59, 23).
Aa
White text reads best on this color (11.31:1).
About this color
#403B17 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.054 and its hue 101°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.030 away. White text reads best on it, at 11.31:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.054) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.85:1 |
| White text | 11.31:1 |
Values
| HEX | #403B17 |
| RGB | rgb(64, 59, 23) |
| HSL | hsl(53, 47%, 17%) |
| OKLCH | oklch(34.9% 0.054 101.5) |
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 #403B17 | 11.31:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #403B17 | 1.85:1 | Fails | Lc 7.8 | Not readable |
| #403B17 text on white | 11.31:1 | AAA | Lc 96.1 | Preferred for body text |
| #403B17 text on black | 1.85:1 | Fails | Lc 0.0 | 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE1
oklch(93.5% 0.012 101.5)
-
Step 200
200
#DCDAC9
oklch(88.5% 0.023 101.4)
-
Step 300
300
#C6C2A4
oklch(80.9% 0.041 101)
-
Step 400
400
#A9A273
oklch(70.6% 0.065 100.7)
-
Step 500
500
#948B4E
oklch(63.1% 0.082 101)
-
Step 600
600
#7E7530
oklch(55.6% 0.09 101.9)
-
Step 700
700
#6B6223
oklch(49.1% 0.083 101.2)
-
Step 800
800
#57501F
oklch(42.7% 0.069 101.2)
-
Step 900
900 (this color)
#403B17
oklch(34.9% 0.054 101.5)
-
Step 950
950
#2A2713
oklch(27% 0.034 100.9)
#403B17 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) | #413913 | 0.006 |
| Deuteranopia (no green cones) | #423B19 | 0.005 |
| Tritanopia (no blue cones) | #453733 | 0.049 |
| Achromatopsia (no color) | #3A3A3A | 0.054 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403B17
#403B17
oklch(34.9% 0.054 101.5)
- #353756
#353756
oklch(34.9% 0.054 280.4)
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 #403B17, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.030
- Pakistan Green #283618 ΔE 0.045
- Charcoal Grey #3C4142 ΔE 0.061
- Onyx #343A40 ΔE 0.066
- Evergreen #05472A ΔE 0.067
- Pine Green #0A481E ΔE 0.069
- Forrest Green #154406 ΔE 0.069
- Mud Brown #60460F ΔE 0.071
Use #403B17 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.