#4C2989
Closest named color: Dark Slate Blue (#483D8B). oklch(38.3% 0.151 295), rgb(76, 41, 137).
Aa
White text reads best on this color (10.57:1).
About this color
#4C2989 is a dark, vivid purple. In OKLCH its lightness is 38%, its chroma 0.151 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 0.046 away. White text reads best on it, at 10.57:1.
| Hue family | Purples |
| Lightness | dark (38%) |
| Chroma | vivid (0.151) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.98:1 |
| White text | 10.57:1 |
Values
| HEX | #4C2989 |
| RGB | rgb(76, 41, 137) |
| HSL | hsl(262, 54%, 35%) |
| OKLCH | oklch(38.3% 0.151 295) |
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 #4C2989 | 10.57:1 | AAA | Lc -98.0 | Preferred for body text |
| Black text on #4C2989 | 1.98:1 | Fails | Lc 10.0 | Not readable |
| #4C2989 text on white | 10.57:1 | AAA | Lc 93.9 | Preferred for body text |
| #4C2989 text on black | 1.98:1 | 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
#EBE6FE
oklch(93.6% 0.033 295.3)
-
Step 200
200
#DBD2FF
oklch(88.5% 0.062 294.3)
-
Step 300
300
#C5B3FF
oklch(80.9% 0.107 294.8)
-
Step 400
400
#AA87FF
oklch(70.7% 0.172 295.1)
-
Step 500
500
#9761FF
oklch(63.1% 0.224 294.9)
-
Step 600
600
#853BF2
oklch(55.6% 0.251 295.2)
-
Step 700
700
#712AD3
oklch(49.1% 0.234 295.1)
-
Step 800
800
#5B26AA
oklch(42.6% 0.193 295)
-
Step 900
900 (this color)
#4C2989
oklch(38.3% 0.151 295)
-
Step 950
950
#2B184F
oklch(26.9% 0.096 295)
#4C2989 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) | #00408C | 0.094 |
| Deuteranopia (no green cones) | #003D87 | 0.094 |
| Tritanopia (no blue cones) | #3B4055 | 0.118 |
| Achromatopsia (no color) | #3F3F3F | 0.152 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C2989
#4C2989
oklch(38.3% 0.151 295)
- #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 #4C2989, 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 0.058
- Rebecca Purple #663399 ΔE 0.062
- Imperial Purple #480CA8 ΔE 0.062
- Chrysanthemum #560BAD ΔE 0.067
- Royal Purple #4B006E ΔE 0.076
- Indigo Blue #3A18B1 ΔE 0.080
Use #4C2989 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.