#403B23
Closest named color: Dark Olive (#373E02). oklch(35.1% 0.039 97.9), rgb(64, 59, 35).
Aa
White text reads best on this color (11.24:1).
About this color
#403B23 is a dark, muted brown. In OKLCH its lightness is 35%, its chroma 0.039 and its hue 98°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.043 away. White text reads best on it, at 11.24:1.
| Hue family | Browns |
| Lightness | dark (35%) |
| Chroma | muted (0.039) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.86:1 |
| White text | 11.24:1 |
Values
| HEX | #403B23 |
| RGB | rgb(64, 59, 35) |
| HSL | hsl(50, 29%, 19%) |
| OKLCH | oklch(35.1% 0.039 97.9) |
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 #403B23 | 11.24:1 | AAA | Lc -99.7 | Preferred for body text |
| Black text on #403B23 | 1.86:1 | Fails | Lc 7.9 | Not readable |
| #403B23 text on white | 11.24:1 | AAA | Lc 96.0 | Preferred for body text |
| #403B23 text on black | 1.86:1 | 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
#F6F5F3
oklch(97% 0.003 84.6)
-
Step 100
100
#EBEAE4
oklch(93.6% 0.008 98.9)
-
Step 200
200
#DCD9CE
oklch(88.5% 0.015 94.2)
-
Step 300
300
#C5C1AC
oklch(80.8% 0.029 98.1)
-
Step 400
400
#A8A180
oklch(70.6% 0.047 97.4)
-
Step 500
500
#938A60
oklch(63.1% 0.06 97.5)
-
Step 600
600
#7D7447
oklch(55.6% 0.064 98.3)
-
Step 700
700
#6A6138
oklch(49.1% 0.06 97.3)
-
Step 800
800
#564F2F
oklch(42.6% 0.049 97.3)
-
Step 900
900 (this color)
#403B23
oklch(35.1% 0.039 97.9)
-
Step 950
950
#2A2719
oklch(27.2% 0.025 97.5)
#403B23 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) | #3F3A21 | 0.004 |
| Deuteranopia (no green cones) | #413C24 | 0.004 |
| Tritanopia (no blue cones) | #443835 | 0.035 |
| Achromatopsia (no color) | #3B3B3B | 0.039 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403B23
#403B23
oklch(35.1% 0.039 97.9)
- #36394F
#36394F
oklch(35.1% 0.039 278.2)
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 #403B23, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.043
- Charcoal Grey #3C4142 ΔE 0.047
- Pakistan Green #283618 ΔE 0.048
- Onyx #343A40 ΔE 0.051
- Evergreen #05472A ΔE 0.069
- Mud Brown #60460F ΔE 0.074
- Pine Green #0A481E ΔE 0.075
- Gunmetal #293241 ΔE 0.076
Use #403B23 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.