#403D24
Closest named color: Dark Olive (#373E02). oklch(35.6% 0.04 102.3), rgb(64, 61, 36).
Aa
White text reads best on this color (10.98:1).
About this color
#403D24 is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.040 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.042 away. White text reads best on it, at 10.98:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.040) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.91:1 |
| White text | 10.98:1 |
Values
| HEX | #403D24 |
| RGB | rgb(64, 61, 36) |
| HSL | hsl(54, 28%, 20%) |
| OKLCH | oklch(35.6% 0.04 102.3) |
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 #403D24 | 10.98:1 | AAA | Lc -99.3 | Preferred for body text |
| Black text on #403D24 | 1.91:1 | Fails | Lc 8.5 | Not readable |
| #403D24 text on white | 10.98:1 | AAA | Lc 95.4 | Preferred for body text |
| #403D24 text on black | 1.91:1 | 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
#F6F5F2
oklch(97% 0.004 91.4)
-
Step 100
100
#EBEAE4
oklch(93.6% 0.008 98.9)
-
Step 200
200
#DBDACD
oklch(88.6% 0.018 103.2)
-
Step 300
300
#C4C2AC
oklch(81% 0.03 102.8)
-
Step 400
400
#A6A280
oklch(70.7% 0.047 101.9)
-
Step 500
500
#908B60
oklch(63% 0.06 102.3)
-
Step 600
600
#7B7546
oklch(55.6% 0.066 102)
-
Step 700
700
#676237
oklch(49% 0.062 102.6)
-
Step 800
800
#54502E
oklch(42.6% 0.051 102.5)
-
Step 900
900 (this color)
#403D24
oklch(35.6% 0.04 102.3)
-
Step 950
950
#292719
oklch(27% 0.024 101)
#403D24 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) | #413B22 | 0.006 |
| Deuteranopia (no green cones) | #423D25 | 0.004 |
| Tritanopia (no blue cones) | #443A37 | 0.036 |
| Achromatopsia (no color) | #3C3C3C | 0.040 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #403D24
#403D24
oklch(35.6% 0.04 102.3)
- #393A51
#393A51
oklch(35.8% 0.04 282.3)
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 #403D24, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.042
- Charcoal Grey #3C4142 ΔE 0.045
- Pakistan Green #283618 ΔE 0.051
- Onyx #343A40 ΔE 0.053
- Evergreen #05472A ΔE 0.066
- Mud Brown #60460F ΔE 0.070
- Pine Green #0A481E ΔE 0.071
- Dark Slate Gray #2F4F4F ΔE 0.073
Use #403D24 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.