#4B4D8D
Closest named color: Twilight (#4E518B). oklch(45% 0.103 280), rgb(75, 77, 141).
Aa
White text reads best on this color (7.64:1).
About this color
#4B4D8D is a medium-dark, moderately saturated purple. In OKLCH its lightness is 45%, its chroma 0.103 and its hue 280°. Its hue sits on the cool side of the wheel. The nearest named color is Twilight (#4E518B), ΔE 0.014 away. White text reads best on it, at 7.64:1.
| Hue family | Purples |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.103) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.74:1 |
| White text | 7.64:1 |
Values
| HEX | #4B4D8D |
| RGB | rgb(75, 77, 141) |
| HSL | hsl(238, 31%, 42%) |
| OKLCH | oklch(45% 0.103 280) |
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 #4B4D8D | 7.64:1 | AAA | Lc -91.2 | Preferred for body text |
| Black text on #4B4D8D | 2.74:1 | Fails | Lc 17.6 | Dividers and decoration only |
| #4B4D8D text on white | 7.64:1 | AAA | Lc 86.4 | Fine for body text |
| #4B4D8D text on black | 2.74:1 | Fails | Lc -15.6 | 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
#D4D7F0
oklch(88.5% 0.034 280.2)
-
Step 300
300
#B8BDE8
oklch(80.9% 0.061 279.7)
-
Step 400
400
#959ADC
oklch(70.7% 0.096 280.3)
-
Step 500
500
#7B80D2
oklch(63.1% 0.122 279.6)
-
Step 600
600
#6568BF
oklch(55.6% 0.133 279.7)
-
Step 700
700
#5456A5
oklch(49.1% 0.124 279.7)
-
Step 800
800 (this color)
#4B4D8D
oklch(45% 0.103 280)
-
Step 900
900
#3A3C6B
oklch(37.8% 0.08 280)
-
Step 950
950
#22233F
oklch(27% 0.052 280.8)
#4B4D8D 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) | #34568F | 0.036 |
| Deuteranopia (no green cones) | #30518C | 0.036 |
| Tritanopia (no blue cones) | #355A66 | 0.089 |
| Achromatopsia (no color) | #535353 | 0.104 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B4D8D
#4B4D8D
oklch(45% 0.103 280)
- #625600
#625600
oklch(45.1% 0.094 99.9)
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 #4B4D8D, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Twilight #4E518B ΔE 0.014
- Dusk #4E5481 ΔE 0.032
- Blueberry #464196 ΔE 0.039
- Denim Blue #3B5B92 ΔE 0.041
- Dark Slate Blue #483D8B ΔE 0.043
- Dusk Blue #26538D ΔE 0.045
- Dusky Blue #475F94 ΔE 0.050
- Light Navy Blue #2E5A88 ΔE 0.050
Use #4B4D8D 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.