#403B25
Closest named color: Charcoal Grey (#3C4142). oklch(35.1% 0.036 96.9), rgb(64, 59, 37).
Aa
White text reads best on this color (11.22:1).
About this color
#403B25 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.036 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.044 away. White text reads best on it, at 11.22:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.87:1 |
| White text | 11.22:1 |
Values
| HEX | #403B25 |
| RGB | rgb(64, 59, 37) |
| HSL | hsl(49, 27%, 20%) |
| OKLCH | oklch(35.1% 0.036 96.9) |
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 #403B25 | 11.22:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #403B25 | 1.87:1 | Fails | Lc 8.0 | Not readable |
| #403B25 text on white | 11.22:1 | AAA | Lc 95.9 | Preferred for body text |
| #403B25 text on black | 1.87:1 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE4
oklch(93.6% 0.008 98.9)
-
Step 200
200
#DCD9CE
oklch(88.5% 0.015 94.2)
-
Step 300
300
#C5C1AE
oklch(80.9% 0.026 97.2)
-
Step 400
400
#A8A183
oklch(70.7% 0.043 96.4)
-
Step 500
500
#938A63
oklch(63.1% 0.056 96.7)
-
Step 600
600
#7D744A
oklch(55.7% 0.061 97.6)
-
Step 700
700
#6A613B
oklch(49.1% 0.056 96.4)
-
Step 800
800
#564F31
oklch(42.6% 0.046 96.6)
-
Step 900
900 (this color)
#403B25
oklch(35.1% 0.036 96.9)
-
Step 950
950
#29271A
oklch(27.1% 0.023 100.4)
#403B25 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) | #3F3A23 | 0.004 |
| Deuteranopia (no green cones) | #413C26 | 0.004 |
| Tritanopia (no blue cones) | #443835 | 0.032 |
| Achromatopsia (no color) | #3B3B3B | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403B25
#403B25
oklch(35.1% 0.036 96.9)
- #36394E
#36394E
oklch(35.1% 0.037 278)
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 #403B25, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.044
- Dark Olive #373E02 ΔE 0.046
- Onyx #343A40 ΔE 0.048
- Pakistan Green #283618 ΔE 0.049
- Evergreen #05472A ΔE 0.070
- Gunmetal #293241 ΔE 0.074
- Mud Brown #60460F ΔE 0.075
- Pine Green #0A481E ΔE 0.076
Use #403B25 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.