#4D2C99
Closest named color: Dark Slate Blue (#483D8B). oklch(40.3% 0.167 290.9), rgb(77, 44, 153).
Aa
White text reads best on this color (9.83:1).
About this color
#4D2C99 is a dark, vivid purple. In OKLCH its lightness is 40%, its chroma 0.167 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 0.045 away. White text reads best on it, at 9.83:1.
| Hue family | Purples |
| Lightness | dark (40%) |
| Chroma | vivid (0.167) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.13:1 |
| White text | 9.83:1 |
Values
| HEX | #4D2C99 |
| RGB | rgb(77, 44, 153) |
| HSL | hsl(258, 55%, 39%) |
| OKLCH | oklch(40.3% 0.167 290.9) |
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 #4D2C99 | 9.83:1 | AAA | Lc -96.4 | Preferred for body text |
| Black text on #4D2C99 | 2.13:1 | Fails | Lc 11.8 | Not readable |
| #4D2C99 text on white | 9.83:1 | AAA | Lc 92.1 | Preferred for body text |
| #4D2C99 text on black | 2.13:1 | Fails | Lc -10.3 | 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
#F5F4FE
oklch(97.1% 0.013 290.8)
-
Step 100
100
#E9E7FC
oklch(93.6% 0.028 290.2)
-
Step 200
200
#D8D4FB
oklch(88.5% 0.053 290)
-
Step 300
300
#C0B6FB
oklch(80.9% 0.097 290.7)
-
Step 400
400
#A28DF9
oklch(70.8% 0.155 290.8)
-
Step 500
500
#8D6BF6
oklch(63% 0.199 290.8)
-
Step 600
600
#794EE5
oklch(55.6% 0.216 290.7)
-
Step 700
700
#663DC7
oklch(49% 0.201 290.7)
-
Step 800
800 (this color)
#4D2C99
oklch(40.3% 0.167 290.9)
-
Step 900
900
#442F80
oklch(37.7% 0.13 290.7)
-
Step 950
950
#281D4B
oklch(27.2% 0.082 291)
#4D2C99 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) | #00459C | 0.091 |
| Deuteranopia (no green cones) | #004197 | 0.089 |
| Tritanopia (no blue cones) | #34485F | 0.134 |
| Achromatopsia (no color) | #434343 | 0.168 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D2C99
#4D2C99
oklch(40.3% 0.167 290.9)
- #4B4C00
#4B4C00
oklch(40.2% 0.088 110.6)
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 #4D2C99, closest first.
No curated palette has a color within ΔE 0.04 of #4D2C99.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.045
- Blueberry #464196 ΔE 0.047
- Imperial Purple #480CA8 ΔE 0.048
- Chrysanthemum #560BAD ΔE 0.049
- Rebecca Purple #663399 ΔE 0.052
- Indigo Blue #3A18B1 ΔE 0.062
- Sapphire #2138AB ΔE 0.072
- Indigo #4B0082 ΔE 0.073
Use #4D2C99 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.