#4D4151
Closest named color: Charcoal Grey (#3C4142). oklch(39.4% 0.031 317.6), rgb(77, 65, 81).
Aa
White text reads best on this color (9.58:1).
About this color
#4D4151 is a dark, muted purple. In OKLCH its lightness is 39%, its chroma 0.031 and its hue 318°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.040 away. White text reads best on it, at 9.58:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | muted (0.031) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.19:1 |
| White text | 9.58:1 |
Values
| HEX | #4D4151 |
| RGB | rgb(77, 65, 81) |
| HSL | hsl(285, 11%, 29%) |
| OKLCH | oklch(39.4% 0.031 317.6) |
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 #4D4151 | 9.58:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #4D4151 | 2.19:1 | Fails | Lc 11.7 | Not readable |
| #4D4151 text on white | 9.58:1 | AAA | Lc 92.2 | Preferred for body text |
| #4D4151 text on black | 2.19:1 | Fails | Lc -10.2 | 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
#F6F5F7
oklch(97.1% 0.003 308.4)
-
Step 100
100
#ECE8ED
oklch(93.6% 0.008 319.4)
-
Step 200
200
#DDD7DF
oklch(88.6% 0.013 317.7)
-
Step 300
300
#C7BCCB
oklch(80.9% 0.024 317.1)
-
Step 400
400
#AA9AB0
oklch(70.7% 0.036 316.9)
-
Step 500
500
#96819C
oklch(63.1% 0.047 318.7)
-
Step 600
600
#806A87
oklch(55.6% 0.051 317.9)
-
Step 700
700
#6C5873
oklch(49% 0.049 317.2)
-
Step 800
800
#58485D
oklch(42.6% 0.04 318.1)
-
Step 900
900 (this color)
#4D4151
oklch(39.4% 0.031 317.6)
-
Step 950
950
#2A242D
oklch(27.1% 0.018 314.5)
#4D4151 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) | #3F4452 | 0.024 |
| Deuteranopia (no green cones) | #424550 | 0.022 |
| Tritanopia (no blue cones) | #4D4346 | 0.022 |
| Achromatopsia (no color) | #454545 | 0.031 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D4151
#4D4151
oklch(39.4% 0.031 317.6)
- #3E4A3A
#3E4A3A
oklch(39.3% 0.031 137.9)
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 #4D4151, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.040
- Dark Grey Blue #29465B ΔE 0.054
- Purple Brown #673A3F ΔE 0.054
- Onyx #343A40 ΔE 0.057
- Charcoal #264653 ΔE 0.057
- Dark Slate Gray #2F4F4F ΔE 0.061
- Dark Blue Grey #1F3B4D ΔE 0.075
- Brownish Purple #76424E ΔE 0.077
Use #4D4151 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.