#4D3857
Closest named color: Charcoal Grey (#3C4142). oklch(37.7% 0.058 314.5), rgb(77, 56, 87).
Aa
White text reads best on this color (10.40:1).
About this color
#4D3857 is a dark, muted purple. In OKLCH its lightness is 38%, its chroma 0.058 and its hue 315°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Charcoal Grey (#3C4142), ΔE 0.060 away. White text reads best on it, at 10.40:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | muted (0.058) |
| Temperature | in between |
| Nearest name | Charcoal Grey (#3C4142) |
| Black text | 2.01:1 |
| White text | 10.40:1 |
Values
| HEX | #4D3857 |
| RGB | rgb(77, 56, 87) |
| HSL | hsl(281, 22%, 28%) |
| OKLCH | oklch(37.7% 0.058 314.5) |
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 #4D3857 | 10.40:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #4D3857 | 2.01:1 | Fails | Lc 9.8 | Not readable |
| #4D3857 text on white | 10.40:1 | AAA | Lc 94.1 | Preferred for body text |
| #4D3857 text on black | 2.01:1 | Fails | Lc -8.5 | 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
#EDE7F0
oklch(93.5% 0.014 314.8)
-
Step 200
200
#DFD5E4
oklch(88.5% 0.023 314.7)
-
Step 300
300
#CBB9D5
oklch(81% 0.043 313.6)
-
Step 400
400
#B194BF
oklch(70.7% 0.069 314.7)
-
Step 500
500
#9D79AF
oklch(63% 0.089 314.1)
-
Step 600
600
#88619B
oklch(55.5% 0.098 314.2)
-
Step 700
700
#745084
oklch(49.1% 0.091 315)
-
Step 800
800
#5E426B
oklch(42.7% 0.074 314.6)
-
Step 900
900 (this color)
#4D3857
oklch(37.7% 0.058 314.5)
-
Step 950
950
#2D2133
oklch(27% 0.037 314.2)
#4D3857 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) | #333F58 | 0.046 |
| Deuteranopia (no green cones) | #384056 | 0.042 |
| Tritanopia (no blue cones) | #4C3C43 | 0.040 |
| Achromatopsia (no color) | #404040 | 0.058 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D3857
#4D3857
oklch(37.7% 0.058 314.5)
- #344828
#344828
oklch(37.6% 0.058 134.5)
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 #4D3857, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Charcoal Grey #3C4142 ΔE 0.060
- Onyx #343A40 ΔE 0.063
- Dark Grey Blue #29465B ΔE 0.065
- Purple Brown #673A3F ΔE 0.066
- Charcoal #264653 ΔE 0.072
- Dark Blue Grey #1F3B4D ΔE 0.075
- Gunmetal #293241 ΔE 0.078
- Prussian Blue #1D3557 ΔE 0.078
Use #4D3857 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.