#52403E
Closest named color: Charcoal Grey (#3C4142). oklch(39% 0.025 25.7), rgb(82, 64, 62).
Aa
White text reads best on this color (9.71:1).
About this color
#52403E is a dark close to neutral grey. In OKLCH its lightness is 39%, its chroma 0.025. It has too little chroma to lean warm or cool. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.038 away. White text reads best on it, at 9.71:1.
| Hue family | Neutrals |
| Lightness | dark (39%) |
| Chroma | close to neutral grey (0.025) |
| Temperature | neutral |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.16:1 |
| White text | 9.71:1 |
Values
| HEX | #52403E |
| RGB | rgb(82, 64, 62) |
| HSL | hsl(6, 14%, 28%) |
| OKLCH | oklch(39% 0.025 25.7) |
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 #52403E | 9.71:1 | AAA | Lc -96.7 | Preferred for body text |
| Black text on #52403E | 2.16:1 | Fails | Lc 11.4 | Not readable |
| #52403E text on white | 9.71:1 | AAA | Lc 92.5 | Preferred for body text |
| #52403E text on black | 2.16:1 | Fails | Lc -9.9 | 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
#F7F5F4
oklch(97.1% 0.003 48.7)
-
Step 100
100
#EDE8E8
oklch(93.5% 0.005 17.3)
-
Step 200
200
#E0D7D5
oklch(88.6% 0.01 32.5)
-
Step 300
300
#CDBCBA
oklch(80.9% 0.02 25.6)
-
Step 400
400
#B39A97
oklch(70.8% 0.03 26)
-
Step 500
500
#A0817D
oklch(63.1% 0.039 26.8)
-
Step 600
600
#8B6A67
oklch(55.6% 0.043 24.5)
-
Step 700
700
#765855
oklch(49.1% 0.04 25.2)
-
Step 800
800
#604846
oklch(42.7% 0.033 24)
-
Step 900
900 (this color)
#52403E
oklch(39% 0.025 25.7)
-
Step 950
950
#2E2422
oklch(27.1% 0.016 31.3)
#52403E 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) | #43423E | 0.027 |
| Deuteranopia (no green cones) | #48463E | 0.025 |
| Tritanopia (no blue cones) | #563E40 | 0.011 |
| Achromatopsia (no color) | #444444 | 0.026 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #52403E
#52403E
oklch(39% 0.025 25.7)
- #35494C
#35494C
oklch(39% 0.025 207.6)
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 #52403E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.038
- Purple Brown #673A3F ΔE 0.042
- Onyx #343A40 ΔE 0.058
- Dark Slate Gray #2F4F4F ΔE 0.064
- Mud Brown #60460F ΔE 0.070
- Charcoal #264653 ΔE 0.070
- Dark Grey Blue #29465B ΔE 0.073
- Brownish Purple #76424E ΔE 0.075
Use #52403E 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.