#4D3753
Closest named color: Charcoal Grey (#3C4142). oklch(37.3% 0.055 318.9), rgb(77, 55, 83).
Aa
White text reads best on this color (10.56:1).
About this color
#4D3753 is a dark, muted purple. In OKLCH its lightness is 37%, its chroma 0.055 and its hue 319°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.057 away. White text reads best on it, at 10.56:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | muted (0.055) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 1.98:1 |
| White text | 10.56:1 |
Values
| HEX | #4D3753 |
| RGB | rgb(77, 55, 83) |
| HSL | hsl(287, 20%, 27%) |
| OKLCH | oklch(37.3% 0.055 318.9) |
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 #4D3753 | 10.56:1 | AAA | Lc -98.4 | Preferred for body text |
| Black text on #4D3753 | 1.98:1 | Fails | Lc 9.5 | Not readable |
| #4D3753 text on white | 10.56:1 | AAA | Lc 94.5 | Preferred for body text |
| #4D3753 text on black | 1.98:1 | Fails | Lc -8.1 | 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
#F7F4F8
oklch(97.1% 0.006 317.8)
-
Step 100
100
#EDE7EF
oklch(93.5% 0.012 317.7)
-
Step 200
200
#E0D5E3
oklch(88.6% 0.022 319)
-
Step 300
300
#CCB9D2
oklch(80.9% 0.04 318)
-
Step 400
400
#B394BB
oklch(70.8% 0.066 319.3)
-
Step 500
500
#9F79AA
oklch(63% 0.084 318.5)
-
Step 600
600
#8A6295
oklch(55.7% 0.09 318.8)
-
Step 700
700
#75507F
oklch(49% 0.085 318.9)
-
Step 800
800
#5F4267
oklch(42.6% 0.07 318.8)
-
Step 900
900 (this color)
#4D3753
oklch(37.3% 0.055 318.9)
-
Step 950
950
#2E2131
oklch(27% 0.034 319.9)
#4D3753 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) | #343D54 | 0.045 |
| Deuteranopia (no green cones) | #394052 | 0.042 |
| Tritanopia (no blue cones) | #4D3A41 | 0.035 |
| Achromatopsia (no color) | #3F3F3F | 0.055 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3753
#4D3753
oklch(37.3% 0.055 318.9)
- #31482B
#31482B
oklch(37.4% 0.056 139.3)
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 #4D3753, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.057
- Onyx #343A40 ΔE 0.059
- Purple Brown #673A3F ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.066
- Charcoal #264653 ΔE 0.072
- Gunmetal #293241 ΔE 0.074
- Dark Blue Grey #1F3B4D ΔE 0.074
- Space Cadet #2B2D42 ΔE 0.076
Use #4D3753 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.