#4B374B
Closest named color: Charcoal Grey (#3C4142). oklch(36.7% 0.043 326.4), rgb(75, 55, 75).
Aa
White text reads best on this color (10.78:1).
About this color
#4B374B is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.043 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 0.046 away. White text reads best on it, at 10.78:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.043) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.94:1 |
| White text | 10.78:1 |
Values
| HEX | #4B374B |
| RGB | rgb(75, 55, 75) |
| HSL | hsl(300, 15%, 25%) |
| OKLCH | oklch(36.7% 0.043 326.4) |
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 #4B374B | 10.78:1 | AAA | Lc -98.9 | Preferred for body text |
| Black text on #4B374B | 1.94:1 | Fails | Lc 8.9 | Not readable |
| #4B374B text on white | 10.78:1 | AAA | Lc 95.0 | Preferred for body text |
| #4B374B text on black | 1.94:1 | Fails | Lc -7.7 | 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
#EDE8ED
oklch(93.6% 0.009 325.6)
-
Step 200
200
#E0D5DF
oklch(88.5% 0.018 328.5)
-
Step 300
300
#CCBACC
oklch(80.9% 0.032 325.9)
-
Step 400
400
#B296B2
oklch(70.7% 0.051 326.1)
-
Step 500
500
#9F7C9F
oklch(63.2% 0.066 326.3)
-
Step 600
600
#8A658A
oklch(55.7% 0.071 326.5)
-
Step 700
700
#755375
oklch(49.1% 0.068 326.5)
-
Step 800
800
#5F445F
oklch(42.6% 0.056 326.5)
-
Step 900
900 (this color)
#4B374B
oklch(36.7% 0.043 326.4)
-
Step 950
950
#2E222E
oklch(27.1% 0.028 326.3)
#4B374B 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) | #363C4C | 0.038 |
| Deuteranopia (no green cones) | #3A3E4A | 0.036 |
| Tritanopia (no blue cones) | #4C393E | 0.025 |
| Achromatopsia (no color) | #3D3D3D | 0.043 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B374B
#4B374B
oklch(36.7% 0.043 326.4)
- #304531
#304531
oklch(36.6% 0.043 145.8)
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 #4B374B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.046
- Onyx #343A40 ΔE 0.047
- Purple Brown #673A3F ΔE 0.060
- Dark Grey Blue #29465B ΔE 0.065
- Gunmetal #293241 ΔE 0.066
- Charcoal #264653 ΔE 0.067
- Dark Blue Grey #1F3B4D ΔE 0.068
- Space Cadet #2B2D42 ΔE 0.070
Use #4B374B 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.