#423E1D
Closest named color: Dark Olive (#373E02). oklch(35.9% 0.05 102.4), rgb(66, 62, 29).
Aa
White text reads best on this color (10.83:1).
About this color
#423E1D is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.050 and its hue 102°. Its hue sits on the warm side of the wheel. The nearest named color is Dark Olive (#373E02), ΔE 0.035 away. White text reads best on it, at 10.83:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.050) |
| Temperature | warm |
| Nearest name | Dark Olive (#373E02) |
| Black text | 1.93:1 |
| White text | 10.83:1 |
Values
| HEX | #423E1D |
| RGB | rgb(66, 62, 29) |
| HSL | hsl(54, 39%, 19%) |
| OKLCH | oklch(35.9% 0.05 102.4) |
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 #423E1D | 10.83:1 | AAA | Lc -99.0 | Preferred for body text |
| Black text on #423E1D | 1.93:1 | Fails | Lc 8.8 | Not readable |
| #423E1D text on white | 10.83:1 | AAA | Lc 95.1 | Preferred for body text |
| #423E1D text on black | 1.93:1 | Fails | Lc -7.6 | 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
#F6F6F2
oklch(97.2% 0.005 106.5)
-
Step 100
100
#EBEAE2
oklch(93.6% 0.011 100.8)
-
Step 200
200
#DBDACA
oklch(88.5% 0.022 103.9)
-
Step 300
300
#C5C2A6
oklch(80.9% 0.038 102.2)
-
Step 400
400
#A7A377
oklch(70.8% 0.061 103.5)
-
Step 500
500
#928C53
oklch(63.2% 0.078 103.1)
-
Step 600
600
#7D7537
oklch(55.6% 0.084 102)
-
Step 700
700
#696229
oklch(49% 0.078 102.4)
-
Step 800
800
#565023
oklch(42.6% 0.065 101.8)
-
Step 900
900 (this color)
#423E1D
oklch(35.9% 0.05 102.4)
-
Step 950
950
#292714
oklch(26.9% 0.032 103.1)
#423E1D 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) | #433C1A | 0.006 |
| Deuteranopia (no green cones) | #453E1E | 0.006 |
| Tritanopia (no blue cones) | #473A36 | 0.046 |
| Achromatopsia (no color) | #3D3D3D | 0.050 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423E1D
#423E1D
oklch(35.9% 0.05 102.4)
- #393A57
#393A57
oklch(36.1% 0.05 282.1)
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 #423E1D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Olive #373E02 ΔE 0.035
- Pakistan Green #283618 ΔE 0.053
- Charcoal Grey #3C4142 ΔE 0.054
- Mud Brown #60460F ΔE 0.063
- Onyx #343A40 ΔE 0.064
- Evergreen #05472A ΔE 0.066
- Green Brown #544E03 ΔE 0.068
- Pine Green #0A481E ΔE 0.069
Use #423E1D 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.