#403A03
Closest named color: Dark Olive (#373E02). oklch(34.4% 0.07 102.7), rgb(64, 58, 3).
Aa
White text reads best on this color (11.50:1).
About this color
#403A03 is a dark, moderately saturated brown. In OKLCH its lightness is 34%, its chroma 0.070 and its hue 103°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.020 away. White text reads best on it, at 11.50:1.
| Hue family | Browns |
| Lightness | dark (34%) |
| Chroma | moderately saturated (0.070) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.82:1 |
| White text | 11.50:1 |
Values
| HEX | #403A03 |
| RGB | rgb(64, 58, 3) |
| HSL | hsl(54, 91%, 13%) |
| OKLCH | oklch(34.4% 0.07 102.7) |
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 #403A03 | 11.50:1 | AAA | Lc -100.1 | Preferred for body text |
| Black text on #403A03 | 1.82:1 | Fails | Lc 7.5 | Not readable |
| #403A03 text on white | 11.50:1 | AAA | Lc 96.4 | Preferred for body text |
| #403A03 text on black | 1.82:1 | 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
#F6F6F0
oklch(97.1% 0.008 106.5)
-
Step 100
100
#EBEADF
oklch(93.5% 0.015 102.5)
-
Step 200
200
#DCDAC5
oklch(88.4% 0.028 102.5)
-
Step 300
300
#C6C39C
oklch(81% 0.053 103.9)
-
Step 400
400
#AAA364
oklch(70.7% 0.084 102.8)
-
Step 500
500
#968C36
oklch(63.2% 0.107 102.7)
-
Step 600
600
#817500
oklch(55.6% 0.117 102.3)
-
Step 700
700
#6C6200
oklch(49% 0.103 102.5)
-
Step 800
800
#595000
oklch(42.7% 0.089 102)
-
Step 900
900 (this color)
#403A03
oklch(34.4% 0.07 102.7)
-
Step 950
950
#2B270B
oklch(27% 0.044 101.2)
#403A03 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) | #413800 | 0.006 |
| Deuteranopia (no green cones) | #423A07 | 0.005 |
| Tritanopia (no blue cones) | #463530 | 0.064 |
| Achromatopsia (no color) | #393939 | 0.070 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403A03
#403A03
oklch(34.4% 0.07 102.7)
- #34335C
#34335C
oklch(34.3% 0.071 283.1)
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 #403A03, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.020
- Pakistan Green #283618 ΔE 0.046
- Forrest Green #154406 ΔE 0.063
- Hunter Green #0B4008 ΔE 0.067
- Pine Green #0A481E ΔE 0.068
- Evergreen #05472A ΔE 0.070
- British Racing Green #05480D ΔE 0.073
- Mud Brown #60460F ΔE 0.074
Use #403A03 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.