#403307
Closest named color: Dark Olive (#373E02). oklch(32.7% 0.061 91.4), rgb(64, 51, 7).
Aa
White text reads best on this color (12.39:1).
About this color
#403307 is a dark, muted brown. In OKLCH its lightness is 33%, its chroma 0.061 and its hue 91°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.039 away. White text reads best on it, at 12.39:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | muted (0.061) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.69:1 |
| White text | 12.39:1 |
Values
| HEX | #403307 |
| RGB | rgb(64, 51, 7) |
| HSL | hsl(46, 80%, 14%) |
| OKLCH | oklch(32.7% 0.061 91.4) |
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 #403307 | 12.39:1 | AAA | Lc -101.6 | Preferred for body text |
| Black text on #403307 | 1.69:1 | Fails | Lc 0.0 | Not readable |
| #403307 text on white | 12.39:1 | AAA | Lc 98.1 | Preferred for body text |
| #403307 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
#F7F5F1
oklch(97.1% 0.006 84.6)
-
Step 100
100
#EDEAE0
oklch(93.7% 0.014 93)
-
Step 200
200
#DFD9C7
oklch(88.5% 0.025 91.6)
-
Step 300
300
#CBC0A0
oklch(80.9% 0.045 91.3)
-
Step 400
400
#B19F6B
oklch(70.6% 0.073 91.1)
-
Step 500
500
#9E8741
oklch(63% 0.094 91.4)
-
Step 600
600
#89711E
oklch(55.7% 0.102 92)
-
Step 700
700
#745E0F
oklch(49% 0.095 91.7)
-
Step 800
800
#5F4D11
oklch(42.7% 0.079 91.3)
-
Step 900
900 (this color)
#403307
oklch(32.7% 0.061 91.4)
-
Step 950
950
#2D260F
oklch(27% 0.038 92.8)
#403307 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) | #3A3201 | 0.014 |
| Deuteranopia (no green cones) | #3D3609 | 0.010 |
| Tritanopia (no blue cones) | #462E2B | 0.056 |
| Achromatopsia (no color) | #343434 | 0.061 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403307
#403307
oklch(32.7% 0.061 91.4)
- #293254
#293254
oklch(32.6% 0.062 271.4)
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 #403307, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.039
- Pakistan Green #283618 ΔE 0.041
- Chocolate Brown #411900 ΔE 0.075
- Onyx #343A40 ΔE 0.076
- Hunter Green #0B4008 ΔE 0.078
- Dark Brown #341C02 ΔE 0.078
- Forrest Green #154406 ΔE 0.078
- Charcoal Grey #3C4142 ΔE 0.079
Use #403307 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.