#4E437A
Closest named color: Dark Slate Blue (#483D8B). oklch(42% 0.09 291.2), rgb(78, 67, 122).
Aa
White text reads best on this color (8.72:1).
About this color
#4E437A is a dark, moderately saturated purple. In OKLCH its lightness is 42%, its chroma 0.090 and its hue 291°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.037 away. White text reads best on it, at 8.72:1.
| Hue family | Purples |
| Lightness | dark (42%) |
| Chroma | moderately saturated (0.090) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.40:1 |
| White text | 8.72:1 |
Values
| HEX | #4E437A |
| RGB | rgb(78, 67, 122) |
| HSL | hsl(252, 29%, 37%) |
| OKLCH | oklch(42% 0.09 291.2) |
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 #4E437A | 8.72:1 | AAA | Lc -94.3 | Preferred for body text |
| Black text on #4E437A | 2.40:1 | Fails | Lc 14.2 | Not readable |
| #4E437A text on white | 8.72:1 | AAA | Lc 89.8 | Fine for body text |
| #4E437A text on black | 2.40:1 | Fails | Lc -12.5 | 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 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
#D9D6EB
oklch(88.5% 0.029 292.4)
-
Step 300
300
#C0BBE1
oklch(80.9% 0.053 291.2)
-
Step 400
400
#A198D1
oklch(70.8% 0.083 291.4)
-
Step 500
500
#8A7DC5
oklch(63.1% 0.107 291.3)
-
Step 600
600
#7465B2
oklch(55.5% 0.117 291)
-
Step 700
700
#625499
oklch(49.2% 0.108 291.2)
-
Step 800
800 (this color)
#4E437A
oklch(42% 0.09 291.2)
-
Step 900
900
#423A64
oklch(37.7% 0.071 291.4)
-
Step 950
950
#27223A
oklch(26.9% 0.044 292.7)
#4E437A 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) | #314C7C | 0.046 |
| Deuteranopia (no green cones) | #324A79 | 0.044 |
| Tritanopia (no blue cones) | #434D58 | 0.074 |
| Achromatopsia (no color) | #4B4B4B | 0.090 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E437A
#4E437A
oklch(42% 0.09 291.2)
- #4F5105
#4F5105
oklch(41.9% 0.09 111.4)
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 #4E437A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.037
- Twilight #4E518B ΔE 0.044
- Dusk #4E5481 ΔE 0.048
- Blueberry #464196 ΔE 0.049
- Dusty Grape #545775 ΔE 0.063
- Dusk Blue #26538D ΔE 0.066
- Cobalt #1E488F ΔE 0.068
- YInMn Blue #415A77 ΔE 0.070
Use #4E437A 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.