#423D26
Closest named color: Charcoal Grey (#3C4142). oklch(35.9% 0.037 97.4), rgb(66, 61, 38).
Aa
White text reads best on this color (10.89:1).
About this color
#423D26 is a dark, muted brown. In OKLCH its lightness is 36%, its chroma 0.037 and its hue 97°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.042 away. White text reads best on it, at 10.89:1.
| Hue family | Browns |
| Lightness | dark (36%) |
| Chroma | muted (0.037) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.92:1 |
| White text | 10.89:1 |
Values
| HEX | #423D26 |
| RGB | rgb(66, 61, 38) |
| HSL | hsl(49, 27%, 20%) |
| OKLCH | oklch(35.9% 0.037 97.4) |
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 #423D26 | 10.89:1 | AAA | Lc -99.1 | Preferred for body text |
| Black text on #423D26 | 1.92:1 | Fails | Lc 8.7 | Not readable |
| #423D26 text on white | 10.89:1 | AAA | Lc 95.2 | Preferred for body text |
| #423D26 text on black | 1.92:1 | Fails | Lc -7.4 | 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
#C5C1AD
oklch(80.9% 0.028 97.7)
-
Step 400
400
#A8A182
oklch(70.7% 0.044 96.8)
-
Step 500
500
#938A62
oklch(63.1% 0.057 97)
-
Step 600
600
#7D7449
oklch(55.6% 0.062 97.8)
-
Step 700
700
#6A613A
oklch(49.1% 0.058 96.7)
-
Step 800
800
#564F30
oklch(42.6% 0.048 97)
-
Step 900
900 (this color)
#423D26
oklch(35.9% 0.037 97.4)
-
Step 950
950
#292719
oklch(27% 0.024 101)
#423D26 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) | #413C24 | 0.004 |
| Deuteranopia (no green cones) | #433E27 | 0.004 |
| Tritanopia (no blue cones) | #463A37 | 0.033 |
| Achromatopsia (no color) | #3D3D3D | 0.037 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423D26
#423D26
oklch(35.9% 0.037 97.4)
- #383B50
#383B50
oklch(35.9% 0.037 278.1)
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 #423D26, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.042
- Dark Olive #373E02 ΔE 0.046
- Onyx #343A40 ΔE 0.051
- Pakistan Green #283618 ΔE 0.055
- Mud Brown #60460F ΔE 0.068
- Evergreen #05472A ΔE 0.070
- Dark Slate Gray #2F4F4F ΔE 0.072
- Charcoal #264653 ΔE 0.075
Use #423D26 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.