#523D44
Closest named color: Charcoal Grey (#3C4142). oklch(38.5% 0.031 356.8), rgb(82, 61, 68).
Aa
White text reads best on this color (9.95:1).
About this color
#523D44 is a dark, muted red. In OKLCH its lightness is 39%, its chroma 0.031 and its hue 357°. Its hue sits on the warm side of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.040 away. White text reads best on it, at 9.95:1.
| Hue family | Reds |
| Lightness | dark (39%) |
| Chroma | muted (0.031) |
| Temperature | warm |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.10:1 |
| White text | 9.95:1 |
Values
| HEX | #523D44 |
| RGB | rgb(82, 61, 68) |
| HSL | hsl(340, 15%, 28%) |
| OKLCH | oklch(38.5% 0.031 356.8) |
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 #523D44 | 9.95:1 | AAA | Lc -97.2 | Preferred for body text |
| Black text on #523D44 | 2.10:1 | Fails | Lc 10.9 | Not readable |
| #523D44 text on white | 9.95:1 | AAA | Lc 93.1 | Preferred for body text |
| #523D44 text on black | 2.10:1 | Fails | Lc -9.4 | 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
#F7F5F5
oklch(97.2% 0.002 17.2)
-
Step 100
100
#EEE8EA
oklch(93.6% 0.007 354.8)
-
Step 200
200
#E1D6D9
oklch(88.6% 0.013 358.8)
-
Step 300
300
#CEBBC1
oklch(81% 0.023 356.5)
-
Step 400
400
#B597A1
oklch(70.6% 0.038 356.1)
-
Step 500
500
#A27E8A
oklch(63.1% 0.047 356.7)
-
Step 600
600
#8D6774
oklch(55.7% 0.052 356.6)
-
Step 700
700
#785561
oklch(49.1% 0.049 356.8)
-
Step 800
800
#61464F
oklch(42.7% 0.039 357.1)
-
Step 900
900 (this color)
#523D44
oklch(38.5% 0.031 356.8)
-
Step 950
950
#2F2227
oklch(26.9% 0.022 353.7)
#523D44 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) | #3F4144 | 0.034 |
| Deuteranopia (no green cones) | #444444 | 0.031 |
| Tritanopia (no blue cones) | #563C3F | 0.010 |
| Achromatopsia (no color) | #434343 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #523D44
#523D44
oklch(38.5% 0.031 356.8)
- #324943
#324943
oklch(38.4% 0.03 176.6)
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 #523D44, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.040
- Purple Brown #673A3F ΔE 0.040
- Onyx #343A40 ΔE 0.055
- Charcoal #264653 ΔE 0.069
- Dark Grey Blue #29465B ΔE 0.070
- Dark Slate Gray #2F4F4F ΔE 0.070
- Brownish Purple #76424E ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.082
Use #523D44 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.