#4B2A70
Closest named color: Dark Slate Blue (#483D8B). oklch(36.4% 0.118 302.7), rgb(75, 42, 112).
Aa
White text reads best on this color (11.26:1).
About this color
#4B2A70 is a dark, moderately saturated purple. In OKLCH its lightness is 36%, its chroma 0.118 and its hue 303°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.062 away. White text reads best on it, at 11.26:1.
| Hue family | Purples |
| Lightness | dark (36%) |
| Chroma | moderately saturated (0.118) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 1.86:1 |
| White text | 11.26:1 |
Values
| HEX | #4B2A70 |
| RGB | rgb(75, 42, 112) |
| HSL | hsl(268, 45%, 30%) |
| OKLCH | oklch(36.4% 0.118 302.7) |
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 #4B2A70 | 11.26:1 | AAA | Lc -99.4 | Preferred for body text |
| Black text on #4B2A70 | 1.86:1 | Fails | Lc 8.3 | Not readable |
| #4B2A70 text on white | 11.26:1 | AAA | Lc 95.6 | Preferred for body text |
| #4B2A70 text on black | 1.86:1 | 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
#F7F4FC
oklch(97.2% 0.011 303.1)
-
Step 100
100
#EDE6F8
oklch(93.6% 0.025 303.5)
-
Step 200
200
#DFD2F5
oklch(88.5% 0.049 302.3)
-
Step 300
300
#CCB3F0
oklch(80.9% 0.088 303.2)
-
Step 400
400
#B289E9
oklch(70.7% 0.142 302.6)
-
Step 500
500
#A068E2
oklch(63.1% 0.181 302.7)
-
Step 600
600
#8B4CCF
oklch(55.6% 0.195 302.6)
-
Step 700
700
#763CB4
oklch(49.1% 0.182 302.3)
-
Step 800
800
#603291
oklch(42.6% 0.151 302.7)
-
Step 900
900 (this color)
#4B2A70
oklch(36.4% 0.118 302.7)
-
Step 950
950
#2E1C44
oklch(27.1% 0.074 302.6)
#4B2A70 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) | #063A72 | 0.093 |
| Deuteranopia (no green cones) | #173A6E | 0.084 |
| Tritanopia (no blue cones) | #443848 | 0.088 |
| Achromatopsia (no color) | #3B3B3B | 0.118 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2A70
#4B2A70
oklch(36.4% 0.118 302.7)
- #364500
#364500
oklch(36.4% 0.089 122.5)
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 #4B2A70, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.062
- Royal Purple #4B006E ΔE 0.065
- Indigo #4B0082 ΔE 0.067
- Grape Purple #5D1451 ΔE 0.073
- Blueberry #464196 ΔE 0.081
- Plum Purple #4E0550 ΔE 0.082
- Rebecca Purple #663399 ΔE 0.087
- Prussian Blue #1D3557 ΔE 0.092
Use #4B2A70 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.