#403300
Closest named color: Dark Olive (#373E02). oklch(32.6% 0.067 93.2), rgb(64, 51, 0).
Aa
White text reads best on this color (12.41:1).
About this color
#403300 is a dark, muted brown. In OKLCH its lightness is 33%, its chroma 0.067 and its hue 93°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.037 away. White text reads best on it, at 12.41:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | muted (0.067) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.69:1 |
| White text | 12.41:1 |
Values
| HEX | #403300 |
| RGB | rgb(64, 51, 0) |
| HSL | hsl(48, 100%, 13%) |
| OKLCH | oklch(32.6% 0.067 93.2) |
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 #403300 | 12.41:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #403300 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #403300 text on white | 12.41:1 | AAA | Lc 98.1 | Preferred for body text |
| #403300 text on black | 1.69:1 | 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
#F7F5F0
oklch(97% 0.007 88.6)
-
Step 100
100
#EDEADF
oklch(93.6% 0.015 94.2)
-
Step 200
200
#DFD9C5
oklch(88.5% 0.028 93.1)
-
Step 300
300
#CBC09C
oklch(80.8% 0.05 93.1)
-
Step 400
400
#B1A065
oklch(70.7% 0.081 93.9)
-
Step 500
500
#9F8838
oklch(63.2% 0.103 93.2)
-
Step 600
600
#8A7109
oklch(55.7% 0.111 93)
-
Step 700
700
#745F00
oklch(49.2% 0.101 93.8)
-
Step 800
800
#5F4D04
oklch(42.7% 0.085 93)
-
Step 900
900 (this color)
#403300
oklch(32.6% 0.067 93.2)
-
Step 950
950
#2D260C
oklch(27% 0.042 94.4)
#403300 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) | #3A3200 | 0.012 |
| Deuteranopia (no green cones) | #3D3603 | 0.010 |
| Tritanopia (no blue cones) | #462E2A | 0.060 |
| Achromatopsia (no color) | #343434 | 0.067 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403300
#403300
oklch(32.6% 0.067 93.2)
- #293156
#293156
oklch(32.5% 0.067 273)
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 #403300, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.037
- Pakistan Green #283618 ΔE 0.042
- Hunter Green #0B4008 ΔE 0.075
- Forrest Green #154406 ΔE 0.076
- Chocolate Brown #411900 ΔE 0.077
- Dark Brown #341C02 ΔE 0.079
- Onyx #343A40 ΔE 0.081
- Pine Green #0A481E ΔE 0.083
Use #403300 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.