#4B4B8A
Closest named color: Twilight (#4E518B). oklch(44.4% 0.102 281.4), rgb(75, 75, 138).
Aa
White text reads best on this color (7.85:1).
About this color
#4B4B8A is a dark, moderately saturated purple. In OKLCH its lightness is 44%, its chroma 0.102 and its hue 281°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.018 away. White text reads best on it, at 7.85:1.
| Hue family | Purples |
| Lightness | dark (44%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.67:1 |
| White text | 7.85:1 |
Values
| HEX | #4B4B8A |
| RGB | rgb(75, 75, 138) |
| HSL | hsl(240, 30%, 42%) |
| OKLCH | oklch(44.4% 0.102 281.4) |
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 #4B4B8A | 7.85:1 | AAA | Lc -91.9 | Preferred for body text |
| Black text on #4B4B8A | 2.67:1 | Fails | Lc 16.9 | Dividers and decoration only |
| #4B4B8A text on white | 7.85:1 | AAA | Lc 87.1 | Fine for body text |
| #4B4B8A text on black | 2.67:1 | Fails | Lc -15.0 | 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 800.
-
Step 50
50
#F4F5FB
oklch(97.1% 0.008 278.6)
-
Step 100
100
#E7E9F5
oklch(93.6% 0.016 278.5)
-
Step 200
200
#D5D7EF
oklch(88.5% 0.033 281.9)
-
Step 300
300
#B9BDE7
oklch(80.9% 0.059 280.7)
-
Step 400
400
#969ADB
oklch(70.8% 0.095 281)
-
Step 500
500
#7E7FD1
oklch(63.1% 0.122 281.8)
-
Step 600
600
#6867BE
oklch(55.6% 0.132 281.7)
-
Step 700
700
#5655A4
oklch(49% 0.124 281.4)
-
Step 800
800 (this color)
#4B4B8A
oklch(44.4% 0.102 281.4)
-
Step 900
900
#3B3B6A
oklch(37.6% 0.079 281.9)
-
Step 950
950
#22233E
oklch(26.9% 0.05 280.9)
#4B4B8A 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) | #33548C | 0.037 |
| Deuteranopia (no green cones) | #2F4F89 | 0.037 |
| Tritanopia (no blue cones) | #365864 | 0.088 |
| Achromatopsia (no color) | #525252 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4B8A
#4B4B8A
oklch(44.4% 0.102 281.4)
- #5F5500
#5F5500
oklch(44.5% 0.093 101.5)
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 #4B4B8A, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.018
- Dusk #4E5481 ΔE 0.033
- Blueberry #464196 ΔE 0.037
- Dark Slate Blue #483D8B ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.047
- Dusk Blue #26538D ΔE 0.047
- Light Navy Blue #2E5A88 ΔE 0.053
- Dusky Blue #475F94 ΔE 0.056
Use #4B4B8A 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.