#403C26
Closest named color: Charcoal Grey (#3C4142). oklch(35.4% 0.036 99.1), rgb(64, 60, 38).
Aa
White text reads best on this color (11.09:1).
About this color
#403C26 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.036 and its hue 99°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.042 away. White text reads best on it, at 11.09:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.036) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.89:1 |
| White text | 11.09:1 |
Values
| HEX | #403C26 |
| RGB | rgb(64, 60, 38) |
| HSL | hsl(51, 25%, 20%) |
| OKLCH | oklch(35.4% 0.036 99.1) |
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 #403C26 | 11.09:1 | AAA | Lc -99.5 | Preferred for body text |
| Black text on #403C26 | 1.89:1 | Fails | Lc 8.2 | Not readable |
| #403C26 text on white | 11.09:1 | AAA | Lc 95.7 | Preferred for body text |
| #403C26 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
#DBD9CF
oklch(88.4% 0.014 97.5)
-
Step 300
300
#C4C1AE
oklch(80.8% 0.026 99.6)
-
Step 400
400
#A7A283
oklch(70.8% 0.044 99.8)
-
Step 500
500
#918A64
oklch(63% 0.054 98.9)
-
Step 600
600
#7C744B
oklch(55.6% 0.059 98.5)
-
Step 700
700
#68613C
oklch(49% 0.055 98.8)
-
Step 800
800
#555032
oklch(42.8% 0.046 99.9)
-
Step 900
900 (this color)
#403C26
oklch(35.4% 0.036 99.1)
-
Step 950
950
#29271A
oklch(27.1% 0.023 100.4)
#403C26 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) | #403B24 | 0.004 |
| Deuteranopia (no green cones) | #413C27 | 0.002 |
| Tritanopia (no blue cones) | #443936 | 0.032 |
| Achromatopsia (no color) | #3C3C3C | 0.036 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403C26
#403C26
oklch(35.4% 0.036 99.1)
- #373A4E
#373A4E
oklch(35.4% 0.035 277.8)
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 #403C26, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.042
- Dark Olive #373E02 ΔE 0.046
- Onyx #343A40 ΔE 0.048
- Pakistan Green #283618 ΔE 0.051
- Evergreen #05472A ΔE 0.068
- Mud Brown #60460F ΔE 0.073
- Dark Slate Gray #2F4F4F ΔE 0.074
- Charcoal #264653 ΔE 0.074
Use #403C26 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.