#403C10
Closest named color: Dark Olive (#373E02). oklch(35% 0.062 104.1), rgb(64, 60, 16).
Aa
White text reads best on this color (11.21:1).
About this color
#403C10 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.062 and its hue 104°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.022 away. White text reads best on it, at 11.21:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.062) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.87:1 |
| White text | 11.21:1 |
Values
| HEX | #403C10 |
| RGB | rgb(64, 60, 16) |
| HSL | hsl(55, 60%, 16%) |
| OKLCH | oklch(35% 0.062 104.1) |
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 #403C10 | 11.21:1 | AAA | Lc -99.6 | Preferred for body text |
| Black text on #403C10 | 1.87:1 | Fails | Lc 8.0 | Not readable |
| #403C10 text on white | 11.21:1 | AAA | Lc 95.9 | Preferred for body text |
| #403C10 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
#F6F6F1
oklch(97.2% 0.007 106.5)
-
Step 100
100
#EBEAE0
oklch(93.5% 0.013 102)
-
Step 200
200
#DBDAC7
oklch(88.4% 0.026 104.5)
-
Step 300
300
#C5C3A0
oklch(81% 0.047 104.7)
-
Step 400
400
#A8A36C
oklch(70.6% 0.074 103.7)
-
Step 500
500
#938C43
oklch(63% 0.095 103.8)
-
Step 600
600
#7E7621
oklch(55.7% 0.104 103.9)
-
Step 700
700
#6A6312
oklch(49.1% 0.097 104.2)
-
Step 800
800
#565113
oklch(42.7% 0.08 104.7)
-
Step 900
900 (this color)
#403C10
oklch(35% 0.062 104.1)
-
Step 950
950
#2A270F
oklch(26.9% 0.039 102.2)
#403C10 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) | #423A0A | 0.007 |
| Deuteranopia (no green cones) | #433C13 | 0.007 |
| Tritanopia (no blue cones) | #453733 | 0.058 |
| Achromatopsia (no color) | #3B3B3B | 0.062 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403C10
#403C10
oklch(35% 0.062 104.1)
- #37365A
#37365A
oklch(35.1% 0.062 284)
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 #403C10, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.022
- Pakistan Green #283618 ΔE 0.047
- Forrest Green #154406 ΔE 0.064
- Pine Green #0A481E ΔE 0.065
- Evergreen #05472A ΔE 0.066
- Charcoal Grey #3C4142 ΔE 0.068
- Hunter Green #0B4008 ΔE 0.069
- Mud Brown #60460F ΔE 0.069
Use #403C10 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.