#4B4C8B
Closest named color: Twilight (#4E518B). oklch(44.7% 0.102 280.8), rgb(75, 76, 139).
Aa
White text reads best on this color (7.76:1).
About this color
#4B4C8B is a dark, moderately saturated purple. In OKLCH its lightness is 45%, 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 0.015 away. White text reads best on it, at 7.76:1.
| Hue family | Purples |
| Lightness | dark (45%) |
| Chroma | moderately saturated (0.102) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.70:1 |
| White text | 7.76:1 |
Values
| HEX | #4B4C8B |
| RGB | rgb(75, 76, 139) |
| HSL | hsl(239, 30%, 42%) |
| OKLCH | oklch(44.7% 0.102 280.8) |
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 #4B4C8B | 7.76:1 | AAA | Lc -91.6 | Preferred for body text |
| Black text on #4B4C8B | 2.70:1 | Fails | Lc 17.2 | Dividers and decoration only |
| #4B4C8B text on white | 7.76:1 | AAA | Lc 86.8 | Fine for body text |
| #4B4C8B text on black | 2.70:1 | Fails | Lc -15.3 | Dividers and decoration only |
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
#E7E9F6
oklch(93.6% 0.018 279.1)
-
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
#7D80D1
oklch(63.2% 0.121 280.7)
-
Step 600
600
#6768BE
oklch(55.7% 0.131 280.8)
-
Step 700
700
#5556A4
oklch(49.1% 0.122 280.3)
-
Step 800
800 (this color)
#4B4C8B
oklch(44.7% 0.102 280.8)
-
Step 900
900
#3A3C6A
oklch(37.7% 0.078 280.1)
-
Step 950
950
#22233E
oklch(26.9% 0.05 280.9)
#4B4C8B 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) | #34558D | 0.036 |
| Deuteranopia (no green cones) | #30508A | 0.036 |
| Tritanopia (no blue cones) | #365964 | 0.089 |
| Achromatopsia (no color) | #525252 | 0.102 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4C8B
#4B4C8B
oklch(44.7% 0.102 280.8)
- #605500
#605500
oklch(44.6% 0.093 100.7)
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 #4B4C8B, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.015
- Dusk #4E5481 ΔE 0.032
- Blueberry #464196 ΔE 0.038
- Dark Slate Blue #483D8B ΔE 0.041
- Denim Blue #3B5B92 ΔE 0.044
- Dusk Blue #26538D ΔE 0.046
- Light Navy Blue #2E5A88 ΔE 0.051
- Dusky Blue #475F94 ΔE 0.053
Use #4B4C8B 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.