#4B375A
Closest named color: Charcoal Grey (#3C4142). oklch(37.4% 0.063 309.8), rgb(75, 55, 90).
Aa
White text reads best on this color (10.53:1).
About this color
#4B375A is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.063 and its hue 310°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.065 away. White text reads best on it, at 10.53:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.063) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.99:1 |
| White text | 10.53:1 |
Values
| HEX | #4B375A |
| RGB | rgb(75, 55, 90) |
| HSL | hsl(274, 24%, 28%) |
| OKLCH | oklch(37.4% 0.063 309.8) |
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 #4B375A | 10.53:1 | AAA | Lc -98.3 | Preferred for body text |
| Black text on #4B375A | 1.99:1 | Fails | Lc 9.5 | Not readable |
| #4B375A text on white | 10.53:1 | AAA | Lc 94.4 | Preferred for body text |
| #4B375A text on black | 1.99:1 | Fails | Lc -8.2 | 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
#F7F4F9
oklch(97.1% 0.007 312.3)
-
Step 100
100
#EDE7F1
oklch(93.6% 0.015 312.2)
-
Step 200
200
#DED5E7
oklch(88.6% 0.026 308.1)
-
Step 300
300
#CAB9D8
oklch(81% 0.047 309.8)
-
Step 400
400
#AF94C5
oklch(70.8% 0.076 309.5)
-
Step 500
500
#9B79B6
oklch(63.2% 0.097 309.3)
-
Step 600
600
#8661A1
oklch(55.6% 0.105 309.9)
-
Step 700
700
#72508A
oklch(49.2% 0.098 310.2)
-
Step 800
800
#5C4270
oklch(42.7% 0.08 309.3)
-
Step 900
900 (this color)
#4B375A
oklch(37.4% 0.063 309.8)
-
Step 950
950
#2C2135
oklch(27% 0.039 309.1)
#4B375A 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) | #303E5B | 0.047 |
| Deuteranopia (no green cones) | #353F59 | 0.042 |
| Tritanopia (no blue cones) | #493C44 | 0.046 |
| Achromatopsia (no color) | #3F3F3F | 0.064 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B375A
#4B375A
oklch(37.4% 0.063 309.8)
- #364722
#364722
oklch(37.3% 0.062 129.3)
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 #4B375A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.065
- Onyx #343A40 ΔE 0.065
- Dark Grey Blue #29465B ΔE 0.065
- Charcoal #264653 ΔE 0.073
- Purple Brown #673A3F ΔE 0.074
- Prussian Blue #1D3557 ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.074
- Gunmetal #293241 ΔE 0.077
Use #4B375A 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.