#4C3E57
Closest named color: Charcoal Grey (#3C4142). oklch(38.9% 0.045 309.8), rgb(76, 62, 87).
Aa
White text reads best on this color (9.84:1).
About this color
#4C3E57 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.045 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.050 away. White text reads best on it, at 9.84:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.045) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.13:1 |
| White text | 9.84:1 |
Values
| HEX | #4C3E57 |
| RGB | rgb(76, 62, 87) |
| HSL | hsl(274, 17%, 29%) |
| OKLCH | oklch(38.9% 0.045 309.8) |
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 #4C3E57 | 9.84:1 | AAA | Lc -97.0 | Preferred for body text |
| Black text on #4C3E57 | 2.13:1 | Fails | Lc 11.1 | Not readable |
| #4C3E57 text on white | 9.84:1 | AAA | Lc 92.8 | Preferred for body text |
| #4C3E57 text on black | 2.13:1 | Fails | Lc -9.6 | 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
#F6F5F8
oklch(97.2% 0.004 301.4)
-
Step 100
100
#ECE8EF
oklch(93.6% 0.01 311.2)
-
Step 200
200
#DDD6E3
oklch(88.5% 0.019 309.8)
-
Step 300
300
#C7BBD1
oklch(80.9% 0.033 309.9)
-
Step 400
400
#AB98BA
oklch(70.8% 0.053 310.1)
-
Step 500
500
#967EA9
oklch(63.1% 0.069 309.8)
-
Step 600
600
#816795
oklch(55.7% 0.076 309.8)
-
Step 700
700
#6D557F
oklch(49% 0.071 310)
-
Step 800
800
#594667
oklch(42.7% 0.058 310.3)
-
Step 900
900 (this color)
#4C3E57
oklch(38.9% 0.045 309.8)
-
Step 950
950
#2B2331
oklch(27.1% 0.028 310.4)
#4C3E57 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) | #3A4358 | 0.032 |
| Deuteranopia (no green cones) | #3D4456 | 0.030 |
| Tritanopia (no blue cones) | #4B4147 | 0.032 |
| Achromatopsia (no color) | #434343 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3E57
#4C3E57
oklch(38.9% 0.045 309.8)
- #3D4A30
#3D4A30
oklch(39% 0.045 129.9)
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 #4C3E57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.050
- Dark Grey Blue #29465B ΔE 0.054
- Onyx #343A40 ΔE 0.059
- Charcoal #264653 ΔE 0.061
- Purple Brown #673A3F ΔE 0.062
- Dark Slate Gray #2F4F4F ΔE 0.071
- Dark Blue Grey #1F3B4D ΔE 0.073
- Gunmetal #293241 ΔE 0.081
Use #4C3E57 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.