#4B80CE
Closest named color: Windows Blue (#3778BF). oklch(60% 0.132 258), rgb(75, 128, 206).
Aa
Black text reads best on this color (5.27:1).
About this color
#4B80CE is a medium-dark, moderately saturated blue. In OKLCH its lightness is 60%, its chroma 0.132 and its hue 258°. Its hue sits on the cool side of the wheel. The nearest named color is Windows Blue (#3778BF), ΔE 0.037 away. Black text reads best on it, at 5.27:1.
| Hue family | Blues |
| Lightness | medium-dark (60%) |
| Chroma | moderately saturated (0.132) |
| Temperature | cool |
| Nearest name | Windows Blue (#3778BF) |
| Black text | 5.27:1 |
| White text | 3.97:1 |
Values
| HEX | #4B80CE |
| RGB | rgb(75, 128, 206) |
| HSL | hsl(216, 57%, 55%) |
| OKLCH | oklch(60% 0.132 258) |
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 #4B80CE | 3.97:1 | AA large text | Lc -72.4 | Content text, not long reading |
| Black text on #4B80CE | 5.27:1 | AA | Lc 37.2 | Non-text elements, placeholder text |
| #4B80CE text on white | 3.97:1 | AA large text | Lc 66.9 | Content text, not long reading |
| #4B80CE text on black | 5.27:1 | AA | Lc -34.8 | Non-text elements, placeholder text |
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 500.
-
Step 50
50
#F2F6FB
oklch(97.2% 0.008 253.9)
-
Step 100
100
#E2EBF7
oklch(93.7% 0.019 255.5)
-
Step 200
200
#CBDAF1
oklch(88.4% 0.036 258.9)
-
Step 300
300
#A7C2EB
oklch(80.8% 0.065 258.6)
-
Step 400
400
#78A2E1
oklch(70.7% 0.104 258.3)
-
Step 500
500 (this color)
#4B80CE
oklch(60% 0.132 258)
-
Step 600
600
#3872C6
oklch(55.6% 0.144 257.9)
-
Step 700
700
#2B5FAB
oklch(49.1% 0.134 258.1)
-
Step 800
800
#244E8A
oklch(42.7% 0.11 257.7)
-
Step 900
900
#22416F
oklch(37.6% 0.087 258.2)
-
Step 950
950
#152741
oklch(27.2% 0.054 257.6)
#4B80CE 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) | #5E86D1 | 0.028 |
| Deuteranopia (no green cones) | #4B7ACC | 0.016 |
| Tritanopia (no blue cones) | #00929D | 0.110 |
| Achromatopsia (no color) | #7F7F7F | 0.132 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #4B80CE
#4B80CE
oklch(60% 0.132 258)
- #A97500
#A97500
oklch(60% 0.125 77.7)
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 #4B80CE, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Windows Blue #3778BF ΔE 0.037
- Water Blue #0E87CC ΔE 0.037
- Cool Blue #4984B8 ΔE 0.039
- Steel Blue #4682B4 ΔE 0.043
- Dark Sky Blue #448EE4 ΔE 0.045
- Off Blue #5684AE ΔE 0.054
- Soft Blue #6488EA ΔE 0.055
- Faded Blue #658CBB ΔE 0.058
Use #4B80CE 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.