#4E3F57
Closest named color: Charcoal Grey (#3C4142). oklch(39.3% 0.044 312.6), rgb(78, 63, 87).
Aa
White text reads best on this color (9.66:1).
About this color
#4E3F57 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.044 and its hue 313°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.051 away. White text reads best on it, at 9.66:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.044) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.17:1 |
| White text | 9.66:1 |
Values
| HEX | #4E3F57 |
| RGB | rgb(78, 63, 87) |
| HSL | hsl(278, 16%, 29%) |
| OKLCH | oklch(39.3% 0.044 312.6) |
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 #4E3F57 | 9.66:1 | AAA | Lc -96.6 | Preferred for body text |
| Black text on #4E3F57 | 2.17:1 | Fails | Lc 11.6 | Not readable |
| #4E3F57 text on white | 9.66:1 | AAA | Lc 92.4 | Preferred for body text |
| #4E3F57 text on black | 2.17:1 | Fails | Lc -10.0 | 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
#ECE8EE
oklch(93.6% 0.009 314.8)
-
Step 200
200
#DDD6E2
oklch(88.5% 0.018 311.6)
-
Step 300
300
#C8BBD0
oklch(80.9% 0.032 312.8)
-
Step 400
400
#AC97B9
oklch(70.6% 0.054 312.5)
-
Step 500
500
#987EA7
oklch(63.2% 0.067 313)
-
Step 600
600
#826792
oklch(55.6% 0.072 312.6)
-
Step 700
700
#6E557D
oklch(49.1% 0.069 312.4)
-
Step 800
800
#5A4665
oklch(42.7% 0.056 313.3)
-
Step 900
900 (this color)
#4E3F57
oklch(39.3% 0.044 312.6)
-
Step 950
950
#2B2330
oklch(27.1% 0.026 312.3)
#4E3F57 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) | #3B4458 | 0.033 |
| Deuteranopia (no green cones) | #3F4556 | 0.030 |
| Tritanopia (no blue cones) | #4D4247 | 0.032 |
| Achromatopsia (no color) | #444444 | 0.045 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E3F57
#4E3F57
oklch(39.3% 0.044 312.6)
- #3D4B32
#3D4B32
oklch(39.3% 0.044 131.9)
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 #4E3F57, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.051
- Dark Grey Blue #29465B ΔE 0.056
- Purple Brown #673A3F ΔE 0.058
- Onyx #343A40 ΔE 0.062
- Charcoal #264653 ΔE 0.063
- Dark Slate Gray #2F4F4F ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.077
- Dusty Grape #545775 ΔE 0.078
Use #4E3F57 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.