#403C25
Closest named color: Charcoal Grey (#3C4142). oklch(35.4% 0.037 99.6), rgb(64, 60, 37).
Aa
White text reads best on this color (11.10:1).
About this color
#403C25 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.037 and its hue 100°. 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 11.10:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.89:1 |
| White text | 11.10:1 |
Values
| HEX | #403C25 |
| RGB | rgb(64, 60, 37) |
| HSL | hsl(51, 27%, 20%) |
| OKLCH | oklch(35.4% 0.037 99.6) |
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 #403C25 | 11.10:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #403C25 | 1.89:1 | Fails | Lc 8.2 | Not readable |
| #403C25 text on white | 11.10:1 | AAA | Lc 95.7 | Preferred for body text |
| #403C25 text on black | 1.89:1 | 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
#DBD9CE
oklch(88.4% 0.015 98.3)
-
Step 300
300
#C5C1AD
oklch(80.9% 0.028 97.7)
-
Step 400
400
#A7A282
oklch(70.8% 0.045 100.1)
-
Step 500
500
#918B62
oklch(63.1% 0.058 100.8)
-
Step 600
600
#7C7449
oklch(55.5% 0.062 99)
-
Step 700
700
#68623A
oklch(49.2% 0.058 100.8)
-
Step 800
800
#555030
oklch(42.8% 0.049 100.5)
-
Step 900
900 (this color)
#403C25
oklch(35.4% 0.037 99.6)
-
Step 950
950
#292719
oklch(27% 0.024 101)
#403C25 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) | #403B23 | 0.004 |
| Deuteranopia (no green cones) | #413C26 | 0.002 |
| Tritanopia (no blue cones) | #443936 | 0.033 |
| Achromatopsia (no color) | #3C3C3C | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403C25
#403C25
oklch(35.4% 0.037 99.6)
- #373A4F
#373A4F
oklch(35.5% 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 #403C25, 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 0.045
- Onyx #343A40 ΔE 0.050
- Pakistan Green #283618 ΔE 0.050
- Evergreen #05472A ΔE 0.068
- Mud Brown #60460F ΔE 0.073
- Pine Green #0A481E ΔE 0.074
- Dark Slate Gray #2F4F4F ΔE 0.074
Use #403C25 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.