#4E2987
Closest named color: Dark Slate Blue (#483D8B). oklch(38.4% 0.148 296.9), rgb(78, 41, 135).
Aa
White text reads best on this color (10.54:1).
About this color
#4E2987 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.148 and its hue 297°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.046 away. White text reads best on it, at 10.54:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.148) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.99:1 |
| White text | 10.54:1 |
Values
| HEX | #4E2987 |
| RGB | rgb(78, 41, 135) |
| HSL | hsl(264, 53%, 35%) |
| OKLCH | oklch(38.4% 0.148 296.9) |
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 #4E2987 | 10.54:1 | AAA | Lc -97.9 | Preferred for body text |
| Black text on #4E2987 | 1.99:1 | Fails | Lc 10.0 | Not readable |
| #4E2987 text on white | 10.54:1 | AAA | Lc 93.9 | Preferred for body text |
| #4E2987 text on black | 1.99:1 | Fails | Lc -8.6 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#ECE6FD
oklch(93.6% 0.031 297.7)
-
Step 200
200
#DDD1FE
oklch(88.5% 0.063 297.3)
-
Step 300
300
#C8B2FF
oklch(81% 0.109 297)
-
Step 400
400
#AD85FF
oklch(70.7% 0.175 296.8)
-
Step 500
500
#9B5EFF
oklch(63% 0.228 296.8)
-
Step 600
600
#883BEE
oklch(55.6% 0.247 297)
-
Step 700
700
#732ACF
oklch(49% 0.23 296.8)
-
Step 800
800
#5E26A8
oklch(42.7% 0.191 296.9)
-
Step 900
900 (this color)
#4E2987
oklch(38.4% 0.148 296.9)
-
Step 950
950
#2C184E
oklch(26.9% 0.095 296.5)
#4E2987 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) | #003F8A | 0.097 |
| Deuteranopia (no green cones) | #003E85 | 0.098 |
| Tritanopia (no blue cones) | #403F54 | 0.114 |
| Achromatopsia (no color) | #3F3F3F | 0.149 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4E2987
#4E2987
oklch(38.4% 0.148 296.9)
- #414900
#414900
oklch(38.5% 0.088 116.7)
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 #4E2987, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.046
- Indigo #4B0082 ΔE 0.056
- Blueberry #464196 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.060
- Imperial Purple #480CA8 ΔE 0.066
- Chrysanthemum #560BAD ΔE 0.070
- Royal Purple #4B006E ΔE 0.075
- Indigo Blue #3A18B1 ΔE 0.085
Use #4E2987 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.