#403E03
Closest named color: Dark Olive (#373E02). oklch(35.5% 0.074 107.5), rgb(64, 62, 3).
Aa
White text reads best on this color (11.00:1).
About this color
#403E03 is a dark, moderately saturated brown. In OKLCH its lightness is 35%, its chroma 0.074 and its hue 108°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.016 away. White text reads best on it, at 11.00:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | moderately saturated (0.074) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.90:1 |
| White text | 11.00:1 |
Values
| HEX | #403E03 |
| RGB | rgb(64, 62, 3) |
| HSL | hsl(58, 91%, 13%) |
| OKLCH | oklch(35.5% 0.074 107.5) |
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 #403E03 | 11.00:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #403E03 | 1.90:1 | Fails | Lc 8.5 | Not readable |
| #403E03 text on white | 11.00:1 | AAA | Lc 95.4 | Preferred for body text |
| #403E03 text on black | 1.90:1 | Fails | Lc -7.3 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EBEBDF
oklch(93.7% 0.016 106.7)
-
Step 200
200
#DBDBC4
oklch(88.5% 0.031 107)
-
Step 300
300
#C4C49A
oklch(81% 0.056 107.6)
-
Step 400
400
#A6A562
oklch(70.7% 0.089 107.7)
-
Step 500
500
#918E31
oklch(63.1% 0.114 107.5)
-
Step 600
600
#7B7700
oklch(55.5% 0.119 107.4)
-
Step 700
700
#676400
oklch(49% 0.105 107.7)
-
Step 800
800
#555200
oklch(42.8% 0.092 107.3)
-
Step 900
900 (this color)
#403E03
oklch(35.5% 0.074 107.5)
-
Step 950
950
#29280A
oklch(27% 0.046 107.3)
#403E03 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) | #443B00 | 0.011 |
| Deuteranopia (no green cones) | #453D08 | 0.011 |
| Tritanopia (no blue cones) | #463934 | 0.068 |
| Achromatopsia (no color) | #3C3C3C | 0.074 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403E03
#403E03
oklch(35.5% 0.074 107.5)
- #3A3560
#3A3560
oklch(35.6% 0.073 287.4)
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 #403E03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.016
- Pakistan Green #283618 ΔE 0.053
- Forrest Green #154406 ΔE 0.057
- Pine Green #0A481E ΔE 0.061
- Green Brown #544E03 ΔE 0.064
- Hunter Green #0B4008 ΔE 0.064
- Evergreen #05472A ΔE 0.065
- British Racing Green #05480D ΔE 0.066
Use #403E03 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.