#403B20
Closest named color: Dark Olive (#373E02). oklch(35% 0.043 99), rgb(64, 59, 32).
Aa
White text reads best on this color (11.26:1).
About this color
#403B20 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.043 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.040 away. White text reads best on it, at 11.26:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.043) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.86:1 |
| White text | 11.26:1 |
Values
| HEX | #403B20 |
| RGB | rgb(64, 59, 32) |
| HSL | hsl(51, 33%, 19%) |
| OKLCH | oklch(35% 0.043 99) |
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 #403B20 | 11.26:1 | AAA | Lc -99.8 | Preferred for body text |
| Black text on #403B20 | 1.86:1 | Fails | Lc 7.9 | Not readable |
| #403B20 text on white | 11.26:1 | AAA | Lc 96.0 | Preferred for body text |
| #403B20 text on black | 1.86:1 | 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#EBEAE3
oklch(93.6% 0.009 100)
-
Step 200
200
#DCDACC
oklch(88.6% 0.019 100.2)
-
Step 300
300
#C5C1AA
oklch(80.8% 0.032 99)
-
Step 400
400
#A8A27D
oklch(70.8% 0.052 99.9)
-
Step 500
500
#938A5C
oklch(63% 0.065 98.5)
-
Step 600
600
#7E7441
oklch(55.6% 0.072 98.5)
-
Step 700
700
#6A6133
oklch(49% 0.066 98.5)
-
Step 800
800
#56502B
oklch(42.8% 0.055 100.2)
-
Step 900
900 (this color)
#403B20
oklch(35% 0.043 99)
-
Step 950
950
#2A2717
oklch(27.1% 0.028 98.9)
#403B20 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) | #403A1E | 0.003 |
| Deuteranopia (no green cones) | #413B21 | 0.002 |
| Tritanopia (no blue cones) | #443734 | 0.039 |
| Achromatopsia (no color) | #3B3B3B | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403B20
#403B20
oklch(35% 0.043 99)
- #363851
#363851
oklch(35% 0.044 280.4)
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 #403B20, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.040
- Pakistan Green #283618 ΔE 0.047
- Charcoal Grey #3C4142 ΔE 0.050
- Onyx #343A40 ΔE 0.055
- Evergreen #05472A ΔE 0.068
- Pine Green #0A481E ΔE 0.073
- Mud Brown #60460F ΔE 0.073
- Forrest Green #154406 ΔE 0.076
Use #403B20 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.