#423629
Closest named color: Onyx (#343A40). oklch(34.2% 0.028 68.9), rgb(66, 54, 41).
Aa
White text reads best on this color (11.72:1).
About this color
#423629 is a dark close to neutral grey. In OKLCH its lightness is 34%, its chroma 0.028. It has too little chroma to lean warm or cool. The nearest named color is Onyx (#343A40), ΔE 0.041 away. White text reads best on it, at 11.72:1.
| Hue family | Neutrals |
| Lightness | dark (34%) |
| Chroma | close to neutral grey (0.028) |
| Temperature | neutral |
| Nearest name | Onyx (#343A40) |
| Black text | 1.79:1 |
| White text | 11.72:1 |
Values
| HEX | #423629 |
| RGB | rgb(66, 54, 41) |
| HSL | hsl(31, 23%, 21%) |
| OKLCH | oklch(34.2% 0.028 68.9) |
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 #423629 | 11.72:1 | AAA | Lc -100.6 | Preferred for body text |
| Black text on #423629 | 1.79:1 | Fails | Lc 0.0 | Not readable |
| #423629 text on white | 11.72:1 | AAA | Lc 96.9 | Preferred for body text |
| #423629 text on black | 1.79:1 | 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
#ECE9E6
oklch(93.6% 0.005 67.8)
-
Step 200
200
#DED8D1
oklch(88.5% 0.012 71.9)
-
Step 300
300
#CABEB3
oklch(80.8% 0.02 65.1)
-
Step 400
400
#AF9D8B
oklch(70.7% 0.033 67.2)
-
Step 500
500
#9B856E
oklch(63.1% 0.043 68.2)
-
Step 600
600
#856F56
oklch(55.6% 0.046 70.2)
-
Step 700
700
#715D46
oklch(49.2% 0.043 70.5)
-
Step 800
800
#5C4C3A
oklch(42.8% 0.035 70)
-
Step 900
900 (this color)
#423629
oklch(34.2% 0.028 68.9)
-
Step 950
950
#2C251D
oklch(27% 0.018 70.7)
#423629 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) | #3A3628 | 0.015 |
| Deuteranopia (no green cones) | #3D3929 | 0.013 |
| Tritanopia (no blue cones) | #463333 | 0.023 |
| Achromatopsia (no color) | #383838 | 0.028 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #423629
#423629
oklch(34.2% 0.028 68.9)
- #2D3A46
#2D3A46
oklch(34.2% 0.027 246.5)
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 #423629, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Onyx #343A40 ΔE 0.041
- Charcoal Grey #3C4142 ΔE 0.044
- Pakistan Green #283618 ΔE 0.055
- Gunmetal #293241 ΔE 0.063
- Dark Olive #373E02 ΔE 0.063
- Space Cadet #2B2D42 ΔE 0.073
- Dark Blue Grey #1F3B4D ΔE 0.074
- Charcoal #264653 ΔE 0.078
Use #423629 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.