#4C2889
Closest named color: Dark Slate Blue (#483D8B). oklch(38.2% 0.152 295.2), rgb(76, 40, 137).
Aa
White text reads best on this color (10.64:1).
About this color
#4C2889 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.152 and its hue 295°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.048 away. White text reads best on it, at 10.64:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.152) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.97:1 |
| White text | 10.64:1 |
Values
| HEX | #4C2889 |
| RGB | rgb(76, 40, 137) |
| HSL | hsl(262, 55%, 35%) |
| OKLCH | oklch(38.2% 0.152 295.2) |
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 #4C2889 | 10.64:1 | AAA | Lc -98.1 | Preferred for body text |
| Black text on #4C2889 | 1.97:1 | Fails | Lc 9.8 | Not readable |
| #4C2889 text on white | 10.64:1 | AAA | Lc 94.1 | Preferred for body text |
| #4C2889 text on black | 1.97:1 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EBE6FE
oklch(93.6% 0.033 295.3)
-
Step 200
200
#DCD2FF
oklch(88.6% 0.062 295.3)
-
Step 300
300
#C6B3FF
oklch(81% 0.107 295.4)
-
Step 400
400
#AA87FF
oklch(70.7% 0.172 295.1)
-
Step 500
500
#9861FF
oklch(63.2% 0.224 295.3)
-
Step 600
600
#853AF3
oklch(55.6% 0.253 295.2)
-
Step 700
700
#7129D4
oklch(49.1% 0.236 295)
-
Step 800
800
#5C25AB
oklch(42.7% 0.195 295.3)
-
Step 900
900 (this color)
#4C2889
oklch(38.2% 0.152 295.2)
-
Step 950
950
#2B184F
oklch(26.9% 0.096 295)
#4C2889 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) | #003F8C | 0.095 |
| Deuteranopia (no green cones) | #003D87 | 0.095 |
| Tritanopia (no blue cones) | #3B4055 | 0.119 |
| Achromatopsia (no color) | #3E3E3E | 0.153 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C2889
#4C2889
oklch(38.2% 0.152 295.2)
- #424800
#424800
oklch(38.3% 0.087 115.1)
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 #4C2889, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.048
- Indigo #4B0082 ΔE 0.054
- Blueberry #464196 ΔE 0.060
- Imperial Purple #480CA8 ΔE 0.061
- Rebecca Purple #663399 ΔE 0.063
- Chrysanthemum #560BAD ΔE 0.066
- Royal Purple #4B006E ΔE 0.075
- Indigo Blue #3A18B1 ΔE 0.079
Use #4C2889 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.