#4B2B8A
Closest named color: Dark Slate Blue (#483D8B). oklch(38.6% 0.149 293.7), rgb(75, 43, 138).
Aa
White text reads best on this color (10.43:1).
About this color
#4B2B8A is a dark, vivid purple. In OKLCH its lightness is 39%, its chroma 0.149 and its hue 294°. Its hue sits between the warm and cool halves of the wheel. The nearest named color is Dark Slate Blue (#483D8B), ΔE 0.042 away. White text reads best on it, at 10.43:1.
| Hue family | Purples |
| Lightness | dark (39%) |
| Chroma | vivid (0.149) |
| Temperature | in between |
| Nearest name | Dark Slate Blue (#483D8B) |
| Black text | 2.01:1 |
| White text | 10.43:1 |
Values
| HEX | #4B2B8A |
| RGB | rgb(75, 43, 138) |
| HSL | hsl(260, 52%, 35%) |
| OKLCH | oklch(38.6% 0.149 293.7) |
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 #4B2B8A | 10.43:1 | AAA | Lc -97.7 | Preferred for body text |
| Black text on #4B2B8A | 2.01:1 | Fails | Lc 10.2 | Not readable |
| #4B2B8A text on white | 10.43:1 | AAA | Lc 93.7 | Preferred for body text |
| #4B2B8A text on black | 2.01:1 | Fails | Lc -8.8 | 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
#F6F4FF
oklch(97.2% 0.015 294.5)
-
Step 100
100
#EAE6FE
oklch(93.5% 0.032 293.4)
-
Step 200
200
#DAD2FF
oklch(88.5% 0.062 293.2)
-
Step 300
300
#C4B4FF
oklch(81% 0.106 293.7)
-
Step 400
400
#A788FF
oklch(70.7% 0.17 293.6)
-
Step 500
500
#9463FF
oklch(63.1% 0.221 293.5)
-
Step 600
600
#823EF3
oklch(55.7% 0.249 293.7)
-
Step 700
700
#6E2DD3
oklch(49.1% 0.231 293.7)
-
Step 800
800
#5928AB
oklch(42.7% 0.192 293.5)
-
Step 900
900 (this color)
#4B2B8A
oklch(38.6% 0.149 293.7)
-
Step 950
950
#2A194F
oklch(27% 0.095 293.6)
#4B2B8A 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) | #00418D | 0.091 |
| Deuteranopia (no green cones) | #003E88 | 0.090 |
| Tritanopia (no blue cones) | #394257 | 0.117 |
| Achromatopsia (no color) | #404040 | 0.150 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B2B8A
#4B2B8A
oklch(38.6% 0.149 293.7)
- #444800
#444800
oklch(38.5% 0.086 113.3)
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 #4B2B8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Dark Slate Blue #483D8B ΔE 0.042
- Blueberry #464196 ΔE 0.054
- Indigo #4B0082 ΔE 0.060
- Rebecca Purple #663399 ΔE 0.061
- Imperial Purple #480CA8 ΔE 0.063
- Chrysanthemum #560BAD ΔE 0.068
- Indigo Blue #3A18B1 ΔE 0.078
- Royal Purple #4B006E ΔE 0.081
Use #4B2B8A 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.