#433F2F
Closest named color: Charcoal Grey (#3C4142). oklch(36.7% 0.027 95.7), rgb(67, 63, 47).
Aa
White text reads best on this color (10.54:1).
About this color
#433F2F is a dark close to neutral grey. In OKLCH its lightness is 37%, its chroma 0.027. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.031 away. White text reads best on it, at 10.54:1.
| Hue family | Neutrals |
| Lightness | dark (37%) |
| Chroma | close to neutral grey (0.027) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #433F2F |
| RGB | rgb(67, 63, 47) |
| HSL | hsl(48, 18%, 22%) |
| OKLCH | oklch(36.7% 0.027 95.7) |
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 #433F2F | 10.54:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #433F2F | 1.99:1 | Fails | Lc 9.4 | Not readable |
| #433F2F text on white | 10.54:1 | AAA | Lc 94.5 | Preferred for body text |
| #433F2F text on black | 1.99:1 | Fails | Lc -8.1 | 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
#EBEAE6
oklch(93.7% 0.005 95.1)
-
Step 200
200
#DBD9D1
oklch(88.5% 0.011 95.2)
-
Step 300
300
#C4C1B3
oklch(80.9% 0.02 96.9)
-
Step 400
400
#A6A18B
oklch(70.7% 0.032 96.5)
-
Step 500
500
#918A6E
oklch(63.2% 0.041 95.6)
-
Step 600
600
#7B7456
oklch(55.7% 0.045 96.5)
-
Step 700
700
#686146
oklch(49.2% 0.041 95.3)
-
Step 800
800
#544F3A
oklch(42.6% 0.033 96.3)
-
Step 900
900 (this color)
#433F2F
oklch(36.7% 0.027 95.7)
-
Step 950
950
#29261D
oklch(26.9% 0.017 91.8)
#433F2F 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) | #423E2E | 0.004 |
| Deuteranopia (no green cones) | #434030 | 0.003 |
| Tritanopia (no blue cones) | #463D3B | 0.024 |
| Achromatopsia (no color) | #3F3F3F | 0.027 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #433F2F
#433F2F
oklch(36.7% 0.027 95.7)
- #3B3E4D
#3B3E4D
oklch(36.7% 0.026 276.2)
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 #433F2F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.031
- Onyx #343A40 ΔE 0.045
- Dark Olive #373E02 ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.062
- Pakistan Green #283618 ΔE 0.065
- Charcoal #264653 ΔE 0.065
- Mud Brown #60460F ΔE 0.069
- Evergreen #05472A ΔE 0.073
Use #433F2F 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.