#403B0B
Closest named color: Dark Olive (#373E02). oklch(34.7% 0.065 103.2), rgb(64, 59, 11).
Aa
White text reads best on this color (11.36:1).
About this color
#403B0B is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.065 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.021 away. White text reads best on it, at 11.36:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.065) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.84:1 |
| White text | 11.36:1 |
Values
| HEX | #403B0B |
| RGB | rgb(64, 59, 11) |
| HSL | hsl(54, 71%, 15%) |
| OKLCH | oklch(34.7% 0.065 103.2) |
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 #403B0B | 11.36:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #403B0B | 1.84:1 | Fails | Lc 7.8 | Not readable |
| #403B0B text on white | 11.36:1 | AAA | Lc 96.1 | Preferred for body text |
| #403B0B text on black | 1.84:1 | 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
#EBEAE0
oklch(93.5% 0.013 102)
-
Step 200
200
#DCDAC6
oklch(88.5% 0.027 102.3)
-
Step 300
300
#C6C39E
oklch(81% 0.05 103.6)
-
Step 400
400
#A9A369
oklch(70.7% 0.078 103.1)
-
Step 500
500
#948C3E
oklch(63.1% 0.1 103.5)
-
Step 600
600
#7F7518
oklch(55.5% 0.108 102.9)
-
Step 700
700
#6B6306
oklch(49.2% 0.102 103.9)
-
Step 800
800
#57510D
oklch(42.8% 0.084 104.1)
-
Step 900
900 (this color)
#403B0B
oklch(34.7% 0.065 103.2)
-
Step 950
950
#2A270E
oklch(26.9% 0.04 102.5)
#403B0B 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) | #413904 | 0.007 |
| Deuteranopia (no green cones) | #433B0E | 0.006 |
| Tritanopia (no blue cones) | #463632 | 0.061 |
| Achromatopsia (no color) | #3A3A3A | 0.065 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403B0B
#403B0B
oklch(34.7% 0.065 103.2)
- #35355B
#35355B
oklch(34.8% 0.066 282.4)
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 #403B0B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.021
- Pakistan Green #283618 ΔE 0.046
- Forrest Green #154406 ΔE 0.063
- Pine Green #0A481E ΔE 0.067
- Evergreen #05472A ΔE 0.068
- Hunter Green #0B4008 ΔE 0.068
- Mud Brown #60460F ΔE 0.071
- Charcoal Grey #3C4142 ΔE 0.072
Use #403B0B 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.