#4B427E
Closest named color: Dark Slate Blue (#483D8B). oklch(41.8% 0.098 288.3), rgb(75, 66, 126).
Aa
White text reads best on this color (8.82:1).
About this color
#4B427E is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.098 and its hue 288°. Its hue sits on the cool side of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.028 away. White text reads best on it, at 8.82:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.098) |
| Temperature | cool |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.37:1 |
| White text | 8.82:1 |
Values
| HEX | #4B427E |
| RGB | rgb(75, 66, 126) |
| HSL | hsl(249, 31%, 38%) |
| OKLCH | oklch(41.8% 0.098 288.3) |
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 #4B427E | 8.82:1 | AAA | Lc -94.5 | Preferred for body text |
| Black text on #4B427E | 2.37:1 | Fails | Lc 13.9 | Not readable |
| #4B427E text on white | 8.82:1 | AAA | Lc 90.1 | Preferred for body text |
| #4B427E text on black | 2.37:1 | Fails | Lc -12.2 | 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 800.
-
Step 50
50
#F5F5FA
oklch(97.2% 0.007 286.3)
-
Step 100
100
#E9E8F5
oklch(93.6% 0.017 289.6)
-
Step 200
200
#D8D6ED
oklch(88.5% 0.031 289.7)
-
Step 300
300
#BEBBE4
oklch(80.8% 0.057 288.4)
-
Step 400
400
#9E98D7
oklch(70.8% 0.091 288.2)
-
Step 500
500
#877DCC
oklch(63.2% 0.117 288.4)
-
Step 600
600
#7165B8
oklch(55.6% 0.126 288.2)
-
Step 700
700
#5F539F
oklch(49.1% 0.119 288.5)
-
Step 800
800 (this color)
#4B427E
oklch(41.8% 0.098 288.3)
-
Step 900
900
#403A67
oklch(37.6% 0.076 288.3)
-
Step 950
950
#25223D
oklch(26.9% 0.05 287.7)
#4B427E 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) | #2C4C80 | 0.048 |
| Deuteranopia (no green cones) | #2C497D | 0.046 |
| Tritanopia (no blue cones) | #3D4E5A | 0.082 |
| Achromatopsia (no color) | #4A4A4A | 0.098 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B427E
#4B427E
oklch(41.8% 0.098 288.3)
- #515000
#515000
oklch(41.8% 0.091 108.9)
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 #4B427E, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.028
- Blueberry #464196 ΔE 0.041
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.052
- Cobalt #1E488F ΔE 0.061
- Dusk Blue #26538D ΔE 0.063
- Light Navy #155084 ΔE 0.067
- Dusty Grape #545775 ΔE 0.069
Use #4B427E 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.