#4B2574
Closest named color: Indigo (#4B0082). oklch(35.9% 0.13 302.4), rgb(75, 37, 116).
Aa
White text reads best on this color (11.56:1).
About this color
#4B2574 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.130 and its hue 302°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Indigo (#4B0082), ΔE 0.053 away. White text reads best on it, at 11.56:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.130) |
| Temperature | in between |
| Nearest name | Indigo (#4B0082) |
| Black text | 1.81:1 |
| White text | 11.56:1 |
Values
| HEX | #4B2574 |
| RGB | rgb(75, 37, 116) |
| HSL | hsl(269, 52%, 30%) |
| OKLCH | oklch(35.9% 0.13 302.4) |
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 #4B2574 | 11.56:1 | AAA | Lc -99.9 | Preferred for body text |
| Black text on #4B2574 | 1.81:1 | Fails | Lc 7.8 | Not readable |
| #4B2574 text on white | 11.56:1 | AAA | Lc 96.1 | Preferred for body text |
| #4B2574 text on black | 1.81:1 | 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
#F7F4FD
oklch(97.2% 0.012 301.3)
-
Step 100
100
#EDE6FA
oklch(93.6% 0.028 301.7)
-
Step 200
200
#E0D1F8
oklch(88.5% 0.055 302.8)
-
Step 300
300
#CCB2F5
oklch(80.9% 0.097 302.1)
-
Step 400
400
#B486F0
oklch(70.7% 0.156 302.6)
-
Step 500
500
#A263EB
oklch(63.1% 0.199 302.4)
-
Step 600
600
#8E44D9
oklch(55.6% 0.217 302.6)
-
Step 700
700
#7934BD
oklch(49.2% 0.202 302.4)
-
Step 800
800
#622D99
oklch(42.8% 0.168 302.2)
-
Step 900
900 (this color)
#4B2574
oklch(35.9% 0.13 302.4)
-
Step 950
950
#2F1A47
oklch(27.1% 0.082 302.8)
#4B2574 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) | #003876 | 0.099 |
| Deuteranopia (no green cones) | #063972 | 0.098 |
| Tritanopia (no blue cones) | #433649 | 0.095 |
| Achromatopsia (no color) | #393939 | 0.131 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2574
#4B2574
oklch(35.9% 0.13 302.4)
- #354400
#354400
oklch(36% 0.088 122.7)
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 #4B2574, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Indigo #4B0082 ΔE 0.053
- Royal Purple #4B006E ΔE 0.054
- Dark Slate Blue #483D8B ΔE 0.066
- Grape Purple #5D1451 ΔE 0.076
- Plum Purple #4E0550 ΔE 0.080
- Blueberry #464196 ΔE 0.084
- Rebecca Purple #663399 ΔE 0.086
- Imperial Purple #480CA8 ΔE 0.092
Use #4B2574 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.