#4D375B
Closest named color: Charcoal Grey (#3C4142). oklch(37.7% 0.066 311.5), rgb(77, 55, 91).
Aa
White text reads best on this color (10.43:1).
About this color
#4D375B is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.066 and its hue 312°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.068 away. White text reads best on it, at 10.43:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.066) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.01:1 |
| White text | 10.43:1 |
Values
| HEX | #4D375B |
| RGB | rgb(77, 55, 91) |
| HSL | hsl(277, 25%, 29%) |
| OKLCH | oklch(37.7% 0.066 311.5) |
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 #4D375B | 10.43:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #4D375B | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #4D375B text on white | 10.43:1 | AAA | Lc 94.1 | Preferred for body text |
| #4D375B text on black | 2.01:1 | Fails | Lc -8.4 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DFD4E7
oklch(88.4% 0.028 311.3)
-
Step 300
300
#CBB8D8
oklch(80.9% 0.049 311.7)
-
Step 400
400
#B193C5
oklch(70.8% 0.079 311.5)
-
Step 500
500
#9D77B6
oklch(63% 0.101 311.3)
-
Step 600
600
#885FA2
oklch(55.5% 0.11 311.3)
-
Step 700
700
#744E8B
oklch(49.1% 0.103 311.7)
-
Step 800
800
#5E4170
oklch(42.7% 0.083 311.6)
-
Step 900
900 (this color)
#4D375B
oklch(37.7% 0.066 311.5)
-
Step 950
950
#2D2035
oklch(26.9% 0.042 312)
#4D375B 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) | #303E5C | 0.050 |
| Deuteranopia (no green cones) | #36405A | 0.045 |
| Tritanopia (no blue cones) | #4C3C44 | 0.047 |
| Achromatopsia (no color) | #404040 | 0.066 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D375B
#4D375B
oklch(37.7% 0.066 311.5)
- #354922
#354922
oklch(37.8% 0.066 131.2)
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 #4D375B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.068
- Dark Grey Blue #29465B ΔE 0.068
- Onyx #343A40 ΔE 0.069
- Purple Brown #673A3F ΔE 0.072
- Charcoal #264653 ΔE 0.076
- Prussian Blue #1D3557 ΔE 0.078
- Dark Blue Grey #1F3B4D ΔE 0.079
- Grape Purple #5D1451 ΔE 0.080
Use #4D375B 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.