#4C374F
Closest named color: Charcoal Grey (#3C4142). oklch(37% 0.049 322.2), rgb(76, 55, 79).
Aa
White text reads best on this color (10.67:1).
About this color
#4C374F is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.049 and its hue 322°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.052 away. White text reads best on it, at 10.67:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.049) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.96:1 |
| White text | 10.67:1 |
Values
| HEX | #4C374F |
| RGB | rgb(76, 55, 79) |
| HSL | hsl(293, 18%, 26%) |
| OKLCH | oklch(37% 0.049 322.2) |
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 #4C374F | 10.67:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #4C374F | 1.96:1 | Fails | Lc 9.2 | Not readable |
| #4C374F text on white | 10.67:1 | AAA | Lc 94.7 | Preferred for body text |
| #4C374F text on black | 1.96:1 | Fails | Lc -7.9 | 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
#F7F4F7
oklch(97% 0.005 325.6)
-
Step 100
100
#EDE8EE
oklch(93.7% 0.01 320.5)
-
Step 200
200
#E0D5E1
oklch(88.5% 0.02 323.2)
-
Step 300
300
#CCB9CF
oklch(80.8% 0.037 321.6)
-
Step 400
400
#B295B6
oklch(70.7% 0.057 322.2)
-
Step 500
500
#9F7AA4
oklch(63% 0.075 322.4)
-
Step 600
600
#8A6390
oklch(55.6% 0.082 322)
-
Step 700
700
#75527A
oklch(49.1% 0.075 322.3)
-
Step 800
800
#5F4363
oklch(42.6% 0.062 322.3)
-
Step 900
900 (this color)
#4C374F
oklch(37% 0.049 322.2)
-
Step 950
950
#2E212F
oklch(26.9% 0.031 324)
#4C374F 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) | #353D50 | 0.042 |
| Deuteranopia (no green cones) | #393F4E | 0.040 |
| Tritanopia (no blue cones) | #4D3940 | 0.029 |
| Achromatopsia (no color) | #3E3E3E | 0.049 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C374F
#4C374F
oklch(37% 0.049 322.2)
- #31462E
#31462E
oklch(36.9% 0.048 141.5)
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 #4C374F, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.052
- Onyx #343A40 ΔE 0.053
- Purple Brown #673A3F ΔE 0.061
- Dark Grey Blue #29465B ΔE 0.065
- Charcoal #264653 ΔE 0.069
- Gunmetal #293241 ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.071
- Space Cadet #2B2D42 ΔE 0.073
Use #4C374F 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.