#403323
Closest named color: Onyx (#343A40). oklch(33.1% 0.032 72.1), rgb(64, 51, 35).
Aa
White text reads best on this color (12.23:1).
About this color
#403323 is a dark, muted brown. In OKLCH its lightness is 33%, its chroma 0.032 and its hue 72°. Its hue sits on the warm side of the wheel. The nearest named color is Onyx (#343A40), ΔE 0.048 away. White text reads best on it, at 12.23:1.
| Hue family | Browns |
| Lightness | dark (33%) |
| Chroma | muted (0.032) |
| Temperature | warm |
| Nearest name | Onyx (#343A40) |
| Black text | 1.71:1 |
| White text | 12.23:1 |
Values
| HEX | #403323 |
| RGB | rgb(64, 51, 35) |
| HSL | hsl(33, 29%, 19%) |
| OKLCH | oklch(33.1% 0.032 72.1) |
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 #403323 | 12.23:1 | AAA | Lc -101.4 | Preferred for body text |
| Black text on #403323 | 1.71:1 | Fails | Lc 0.0 | Not readable |
| #403323 text on white | 12.23:1 | AAA | Lc 97.9 | Preferred for body text |
| #403323 text on black | 1.71:1 | 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
#F7F5F3
oklch(97.1% 0.003 67.8)
-
Step 100
100
#EDE9E5
oklch(93.6% 0.007 67.7)
-
Step 200
200
#DFD8D0
oklch(88.6% 0.013 71.3)
-
Step 300
300
#CBBEB0
oklch(80.8% 0.024 69.5)
-
Step 400
400
#B09D87
oklch(70.7% 0.038 71.2)
-
Step 500
500
#9C8569
oklch(63.1% 0.049 72.2)
-
Step 600
600
#876E50
oklch(55.5% 0.054 71.5)
-
Step 700
700
#735C41
oklch(49.1% 0.05 70.7)
-
Step 800
800
#5D4B36
oklch(42.6% 0.041 70.7)
-
Step 900
900 (this color)
#403323
oklch(33.1% 0.032 72.1)
-
Step 950
950
#2D251B
oklch(27% 0.021 72.9)
#403323 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) | #383322 | 0.015 |
| Deuteranopia (no green cones) | #3B3623 | 0.013 |
| Tritanopia (no blue cones) | #45302F | 0.027 |
| Achromatopsia (no color) | #353535 | 0.032 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403323
#403323
oklch(33.1% 0.032 72.1)
- #2A3746
#2A3746
oklch(33.2% 0.032 252.4)
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 #403323, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.048
- Pakistan Green #283618 ΔE 0.049
- Charcoal Grey #3C4142 ΔE 0.055
- Dark Olive #373E02 ΔE 0.061
- Gunmetal #293241 ΔE 0.064
- Space Cadet #2B2D42 ΔE 0.073
- Chocolate Brown #411900 ΔE 0.075
- Dark Blue Grey #1F3B4D ΔE 0.079
Use #403323 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.