#4D257C
Closest named color: Indigo (#4B0082). oklch(36.8% 0.14 300.7), rgb(77, 37, 124).
Aa
White text reads best on this color (11.22:1).
About this color
#4D257C is a dark, vivid purple. In OKLCH its lightness is 37%, its chroma 0.140 and its hue 301°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.049 away. White text reads best on it, at 11.22:1.
| Hue family | Purples |
| Lightness | dark (37%) |
| Chroma | vivid (0.140) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.87:1 |
| White text | 11.22:1 |
Values
| HEX | #4D257C |
| RGB | rgb(77, 37, 124) |
| HSL | hsl(268, 54%, 32%) |
| OKLCH | oklch(36.8% 0.14 300.7) |
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 #4D257C | 11.22:1 | AAA | Lc -99.2 | Preferred for body text |
| Black text on #4D257C | 1.87:1 | Fails | Lc 8.6 | Not readable |
| #4D257C text on white | 11.22:1 | AAA | Lc 95.3 | Preferred for body text |
| #4D257C text on black | 1.87:1 | Fails | Lc -7.3 | 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 900.
-
Step 50
50
#F7F3FE
oklch(97% 0.015 302.6)
-
Step 100
100
#EDE6FC
oklch(93.7% 0.03 300.3)
-
Step 200
200
#DFD1FB
oklch(88.5% 0.059 300.4)
-
Step 300
300
#CCB1FA
oklch(80.9% 0.105 301.1)
-
Step 400
400
#B384F8
oklch(70.7% 0.169 300.9)
-
Step 500
500
#A15FF5
oklch(63.1% 0.216 300.6)
-
Step 600
600
#8D3EE3
oklch(55.6% 0.234 300.7)
-
Step 700
700
#782EC5
oklch(49.1% 0.217 300.7)
-
Step 800
800
#6228A0
oklch(42.7% 0.181 300.9)
-
Step 900
900 (this color)
#4D257C
oklch(36.8% 0.14 300.7)
-
Step 950
950
#2E194A
oklch(27% 0.088 300.4)
#4D257C 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) | #003B7F | 0.101 |
| Deuteranopia (no green cones) | #003A7A | 0.102 |
| Tritanopia (no blue cones) | #43394D | 0.105 |
| Achromatopsia (no color) | #3B3B3B | 0.141 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4D257C
#4D257C
oklch(36.8% 0.14 300.7)
- #394600
#394600
oklch(36.9% 0.089 120.9)
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 #4D257C, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.049
- Royal Purple #4B006E ΔE 0.058
- Dark Slate Blue #483D8B ΔE 0.059
- Rebecca Purple #663399 ΔE 0.075
- Blueberry #464196 ΔE 0.076
- Imperial Purple #480CA8 ΔE 0.079
- Chrysanthemum #560BAD ΔE 0.085
- Grape Purple #5D1451 ΔE 0.085
Use #4D257C 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.