#4C3F77
Closest named color: Dark Slate Blue (#483D8B). oklch(40.8% 0.092 292.5), rgb(76, 63, 119).
Aa
White text reads best on this color (9.19:1).
About this color
#4C3F77 is a dark, moderately saturated purple. In OKLCH its lightness is 41%, its chroma 0.092 and its hue 293°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.035 away. White text reads best on it, at 9.19:1.
| Hue family | Purples |
| Lightness | dark (41%) |
| Chroma | moderately saturated (0.092) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.28:1 |
| White text | 9.19:1 |
Values
| HEX | #4C3F77 |
| RGB | rgb(76, 63, 119) |
| HSL | hsl(254, 31%, 36%) |
| OKLCH | oklch(40.8% 0.092 292.5) |
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 #4C3F77 | 9.19:1 | AAA | Lc -95.4 | Preferred for body text |
| Black text on #4C3F77 | 2.28:1 | Fails | Lc 12.9 | Not readable |
| #4C3F77 text on white | 9.19:1 | AAA | Lc 91.1 | Preferred for body text |
| #4C3F77 text on black | 2.28:1 | Fails | Lc -11.3 | 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 800.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#EAE8F4
oklch(93.6% 0.016 293.7)
-
Step 200
200
#D9D6EC
oklch(88.5% 0.03 292)
-
Step 300
300
#C1BBE1
oklch(80.9% 0.053 292.4)
-
Step 400
400
#A297D2
oklch(70.7% 0.086 292.6)
-
Step 500
500
#8C7CC6
oklch(63.1% 0.11 292.9)
-
Step 600
600
#7664B3
oklch(55.6% 0.12 292.5)
-
Step 700
700
#63539A
oklch(49.1% 0.111 292.2)
-
Step 800
800 (this color)
#4C3F77
oklch(40.8% 0.092 292.5)
-
Step 900
900
#433A64
oklch(37.8% 0.071 292.5)
-
Step 950
950
#27223B
oklch(27% 0.046 292.2)
#4C3F77 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) | #2C4879 | 0.050 |
| Deuteranopia (no green cones) | #2E4776 | 0.048 |
| Tritanopia (no blue cones) | #424A55 | 0.076 |
| Achromatopsia (no color) | #484848 | 0.092 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C3F77
#4C3F77
oklch(40.8% 0.092 292.5)
- #4B4E00
#4B4E00
oklch(40.7% 0.09 112.3)
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 #4C3F77, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.035
- Blueberry #464196 ΔE 0.052
- Twilight #4E518B ΔE 0.055
- Dusk #4E5481 ΔE 0.060
- Cobalt #1E488F ΔE 0.070
- Dusk Blue #26538D ΔE 0.072
- Dusty Grape #545775 ΔE 0.074
- Light Navy #155084 ΔE 0.074
Use #4C3F77 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.