#403D1D
Closest named color: Dark Olive (#373E02). oklch(35.5% 0.049 103.8), rgb(64, 61, 29).
Aa
White text reads best on this color (11.03:1).
About this color
#403D1D is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.049 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.033 away. White text reads best on it, at 11.03:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.049) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.90:1 |
| White text | 11.03:1 |
Values
| HEX | #403D1D |
| RGB | rgb(64, 61, 29) |
| HSL | hsl(55, 38%, 18%) |
| OKLCH | oklch(35.5% 0.049 103.8) |
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 #403D1D | 11.03:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #403D1D | 1.90:1 | Fails | Lc 8.4 | Not readable |
| #403D1D text on white | 11.03:1 | AAA | Lc 95.5 | Preferred for body text |
| #403D1D text on black | 1.90:1 | 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
#F6F6F2
oklch(97.2% 0.005 106.5)
-
Step 100
100
#EBEAE2
oklch(93.6% 0.011 100.8)
-
Step 200
200
#DBDACB
oklch(88.5% 0.02 103.7)
-
Step 300
300
#C4C2A7
oklch(80.8% 0.037 103.7)
-
Step 400
400
#A6A378
oklch(70.7% 0.059 104.5)
-
Step 500
500
#918C55
oklch(63.1% 0.075 103.8)
-
Step 600
600
#7B7639
oklch(55.7% 0.083 104.5)
-
Step 700
700
#68632B
oklch(49.2% 0.077 104.2)
-
Step 800
800
#555125
oklch(42.8% 0.064 104.1)
-
Step 900
900 (this color)
#403D1D
oklch(35.5% 0.049 103.8)
-
Step 950
950
#292715
oklch(27% 0.031 102.8)
#403D1D 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) | #423B1A | 0.007 |
| Deuteranopia (no green cones) | #433D1E | 0.006 |
| Tritanopia (no blue cones) | #443935 | 0.044 |
| Achromatopsia (no color) | #3C3C3C | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403D1D
#403D1D
oklch(35.5% 0.049 103.8)
- #383855
#383855
oklch(35.4% 0.05 283.5)
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 #403D1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.033
- Pakistan Green #283618 ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.054
- Onyx #343A40 ΔE 0.061
- Evergreen #05472A ΔE 0.064
- Pine Green #0A481E ΔE 0.067
- Mud Brown #60460F ΔE 0.068
- Forrest Green #154406 ΔE 0.070
Use #403D1D 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.