#403A28
Closest named color: Charcoal Grey (#3C4142). oklch(34.9% 0.03 91.8), rgb(64, 58, 40).
Aa
White text reads best on this color (11.32:1).
About this color
#403A28 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.030 and its hue 92°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.041 away. White text reads best on it, at 11.32:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.030) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.85:1 |
| White text | 11.32:1 |
Values
| HEX | #403A28 |
| RGB | rgb(64, 58, 40) |
| HSL | hsl(45, 23%, 20%) |
| OKLCH | oklch(34.9% 0.03 91.8) |
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 #403A28 | 11.32:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #403A28 | 1.85:1 | Fails | Lc 7.7 | Not readable |
| #403A28 text on white | 11.32:1 | AAA | Lc 96.1 | Preferred for body text |
| #403A28 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE5
oklch(93.6% 0.007 97.4)
-
Step 200
200
#DCD9D0
oklch(88.5% 0.013 91.5)
-
Step 300
300
#C6C0B0
oklch(80.8% 0.023 89.8)
-
Step 400
400
#A9A087
oklch(70.7% 0.037 90.6)
-
Step 500
500
#948969
oklch(63.1% 0.047 91.3)
-
Step 600
600
#7E7351
oklch(55.7% 0.051 92.3)
-
Step 700
700
#6A6041
oklch(49% 0.048 92.3)
-
Step 800
800
#574F36
oklch(42.8% 0.04 92.4)
-
Step 900
900 (this color)
#403A28
oklch(34.9% 0.03 91.8)
-
Step 950
950
#2A261C
oklch(27% 0.019 88.8)
#403A28 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) | #3E3927 | 0.005 |
| Deuteranopia (no green cones) | #3F3B29 | 0.003 |
| Tritanopia (no blue cones) | #443735 | 0.028 |
| Achromatopsia (no color) | #3A3A3A | 0.030 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403A28
#403A28
oklch(34.9% 0.03 91.8)
- #353A4B
#353A4B
oklch(35.1% 0.03 272)
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 #403A28, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.041
- Onyx #343A40 ΔE 0.043
- Pakistan Green #283618 ΔE 0.051
- Dark Olive #373E02 ΔE 0.052
- Gunmetal #293241 ΔE 0.069
- Evergreen #05472A ΔE 0.073
- Charcoal #264653 ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.075
Use #403A28 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.