#4C2179
Closest named color: Indigo (#4B0082). oklch(35.9% 0.142 302), rgb(76, 33, 121).
Aa
White text reads best on this color (11.66:1).
About this color
#4C2179 is a dark, vivid purple. In OKLCH its lightness is 36%, its chroma 0.142 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.042 away. White text reads best on it, at 11.66:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | vivid (0.142) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.80:1 |
| White text | 11.66:1 |
Values
| HEX | #4C2179 |
| RGB | rgb(76, 33, 121) |
| HSL | hsl(269, 57%, 30%) |
| OKLCH | oklch(35.9% 0.142 302) |
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 #4C2179 | 11.66:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #4C2179 | 1.80:1 | Fails | Lc 7.7 | Not readable |
| #4C2179 text on white | 11.66:1 | AAA | Lc 96.2 | Preferred for body text |
| #4C2179 text on black | 1.80:1 | Fails | Lc 0.0 | 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
#EDE5FC
oklch(93.5% 0.032 301.6)
-
Step 200
200
#E0D1FA
oklch(88.6% 0.058 301.9)
-
Step 300
300
#CDB0FA
oklch(80.8% 0.107 302)
-
Step 400
400
#B583F8
oklch(70.7% 0.171 301.9)
-
Step 500
500
#A45DF4
oklch(63.1% 0.218 302.1)
-
Step 600
600
#903BE3
oklch(55.6% 0.238 302.1)
-
Step 700
700
#7B2BC5
oklch(49.1% 0.22 302.2)
-
Step 800
800
#63279F
oklch(42.7% 0.181 301.8)
-
Step 900
900 (this color)
#4C2179
oklch(35.9% 0.142 302)
-
Step 950
950
#2F184A
oklch(27% 0.09 301.9)
#4C2179 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) | #00387C | 0.103 |
| Deuteranopia (no green cones) | #003877 | 0.104 |
| Tritanopia (no blue cones) | #43364A | 0.105 |
| Achromatopsia (no color) | #383838 | 0.143 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4C2179
#4C2179
oklch(35.9% 0.142 302)
- #354300
#354300
oklch(35.7% 0.087 122.1)
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 #4C2179, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.042
- Royal Purple #4B006E ΔE 0.049
- Dark Slate Blue #483D8B ΔE 0.069
- Grape Purple #5D1451 ΔE 0.081
- Imperial Purple #480CA8 ΔE 0.082
- Plum Purple #4E0550 ΔE 0.083
- Rebecca Purple #663399 ΔE 0.083
- Blueberry #464196 ΔE 0.085
Use #4C2179 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.