#4B5083
Closest named color: Twilight (#4E518B). oklch(45.1% 0.083 278.2), rgb(75, 80, 131).
Aa
White text reads best on this color (7.56:1).
About this color
#4B5083 is a medium-dark, moderately saturated blue. In OKLCH its lightness is 45%, its chroma 0.083 and its hue 278°. 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 7.56:1.
| Hue family | Blues |
| Lightness | medium-dark (45%) |
| Chroma | moderately saturated (0.083) |
| Temperature | cool |
| Nearest name | Twilight (#4E518B) |
| Black text | 2.77:1 |
| White text | 7.56:1 |
Values
| HEX | #4B5083 |
| RGB | rgb(75, 80, 131) |
| HSL | hsl(235, 27%, 40%) |
| OKLCH | oklch(45.1% 0.083 278.2) |
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 #4B5083 | 7.56:1 | AAA | Lc -91.0 | Preferred for body text |
| Black text on #4B5083 | 2.77:1 | Fails | Lc 17.8 | Dividers and decoration only |
| #4B5083 text on white | 7.56:1 | AAA | Lc 86.2 | Fine for body text |
| #4B5083 text on black | 2.77:1 | Fails | Lc -15.8 | 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
#F4F5FA
oklch(97.1% 0.007 277.2)
-
Step 100
100
#E7E9F3
oklch(93.5% 0.014 277.1)
-
Step 200
200
#D5D8EB
oklch(88.6% 0.026 278.7)
-
Step 300
300
#B9BEE0
oklch(80.9% 0.048 278.7)
-
Step 400
400
#959CD1
oklch(70.7% 0.078 278.4)
-
Step 500
500
#7C83C5
oklch(63.1% 0.099 278.5)
-
Step 600
600
#656CB2
oklch(55.7% 0.108 277.9)
-
Step 700
700
#545A99
oklch(49.2% 0.1 277.9)
-
Step 800
800 (this color)
#4B5083
oklch(45.1% 0.083 278.2)
-
Step 900
900
#3A3E64
oklch(37.8% 0.065 278.2)
-
Step 950
950
#22243A
oklch(26.9% 0.041 279.3)
#4B5083 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) | #3E5685 | 0.023 |
| Deuteranopia (no green cones) | #3B5282 | 0.022 |
| Tritanopia (no blue cones) | #395A63 | 0.073 |
| Achromatopsia (no color) | #545454 | 0.083 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B5083
#4B5083
oklch(45.1% 0.083 278.2)
- #625514
#625514
oklch(45% 0.083 97.4)
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 #4B5083, 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 0.014
- Dusty Grape #545775 ΔE 0.038
- Denim Blue #3B5B92 ΔE 0.038
- YInMn Blue #415A77 ΔE 0.042
- Light Navy Blue #2E5A88 ΔE 0.042
- Dusk Blue #26538D ΔE 0.045
- Dusky Blue #475F94 ΔE 0.046
Use #4B5083 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.