#4D374D
Closest named color: Charcoal Grey (#3C4142). oklch(37% 0.047 326.5), rgb(77, 55, 77).
Aa
White text reads best on this color (10.66:1).
About this color
#4D374D is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.047 and its hue 326°. 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 10.66:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.047) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.96:1 |
| White text | 10.66:1 |
Values
| HEX | #4D374D |
| RGB | rgb(77, 55, 77) |
| HSL | hsl(300, 17%, 26%) |
| OKLCH | oklch(37% 0.047 326.5) |
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 #4D374D | 10.66:1 | AAA | Lc -98.6 | Preferred for body text |
| Black text on #4D374D | 1.96:1 | Fails | Lc 9.2 | Not readable |
| #4D374D text on white | 10.66:1 | AAA | Lc 94.7 | Preferred for body text |
| #4D374D 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
#EEE8ED
oklch(93.7% 0.009 331)
-
Step 200
200
#E0D5E0
oklch(88.5% 0.019 325.7)
-
Step 300
300
#CDB9CD
oklch(80.9% 0.035 325.9)
-
Step 400
400
#B495B3
oklch(70.8% 0.056 327.2)
-
Step 500
500
#A17AA1
oklch(63.1% 0.073 326.4)
-
Step 600
600
#8C638C
oklch(55.7% 0.079 326.6)
-
Step 700
700
#765277
oklch(49.1% 0.073 325.7)
-
Step 800
800
#604361
oklch(42.6% 0.061 325.5)
-
Step 900
900 (this color)
#4D374D
oklch(37% 0.047 326.5)
-
Step 950
950
#2E212E
oklch(26.9% 0.03 326.4)
#4D374D 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) | #363C4E | 0.041 |
| Deuteranopia (no green cones) | #3B3F4C | 0.039 |
| Tritanopia (no blue cones) | #4E393F | 0.027 |
| Achromatopsia (no color) | #3E3E3E | 0.047 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D374D
#4D374D
oklch(37% 0.047 326.5)
- #2F4731
#2F4731
oklch(37.1% 0.048 146.6)
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 #4D374D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.050
- Onyx #343A40 ΔE 0.052
- Purple Brown #673A3F ΔE 0.058
- Dark Grey Blue #29465B ΔE 0.067
- Charcoal #264653 ΔE 0.070
- Gunmetal #293241 ΔE 0.070
- Dark Blue Grey #1F3B4D ΔE 0.072
- Space Cadet #2B2D42 ΔE 0.074
Use #4D374D 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.