#4EB5F1#4EB5F1

#4EB5F1 is a light, vivid cyan. Relative luminance 0.410; OKLCH L 73.8% C 0.128 H 237.7°. Best body text is #000000 at 9.20:1 contrast (WCAG AA passes).

Color values

HEX	#4EB5F1
RGB	rgb(78, 181, 241)
HSL	hsl(202, 85%, 63%)
HSV	hsv(202, 68%, 95%)
CMYK	cmyk(67.6%, 24.9%, 0%, 5.5%)
CIE-LAB	lab(70.19, -11.29, -38.57)
CIE-LCH	lch(70.19, 40.19, 253.69°)
OKLab	oklab(73.78% -0.0685 -0.1086)
OKLCH	oklch(73.78% 0.128 237.7)
XYZ	xyz(35.5368, 41.0145, 89.2458)
Luminance	0.4102 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB5F1 #F18A4E

analogous

#4EF1DC #4EB5F1 #4E63F1

triadic

#4EB5F1 #F14EB5 #B5F14E

tetradic

#4EB5F1 #DC4EF1 #F18A4E #63F14E

square

#4EB5F1 #DC4EF1 #F18A4E #63F14E

split-complementary

#4EB5F1 #F14E63 #F1DC4E

monochromatic

#0E78B6 #159DED #4EB5F1 #87CDF5 #BFE4FA

Accessibility & contrast

On white

2.28

#4EB5F1 on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.20

#4EB5F1 on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB5F1

9.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB5F1	#FFFFFF	#000000	##000000
##4EB5F1	1.00	2.28	9.20	9.20
#FFFFFF	2.28	1.00	21.00	21.00
#000000	9.20	21.00	1.00	1.00
##000000	9.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#99B5F4

Deuteranopia (green-blind)

#83A5F0

Tritanopia (blue-blind)

#00C4C9

Achromatopsia (no color)

#ACACAC

Design tokens & code

CSS

--color: #4eb5f1;
/* rgb */ color: rgb(78, 181, 241);
/* oklch */ color: oklch(73.8% 0.128 237.7);

Tailwind

colors: {
  custom: {
    50: '#91cbf6',
    500: '#4eb5f1',
    950: '#000000',
  },
}

SCSS

$custom: #4eb5f1;
$custom-light: #91cbf6;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb5f1",
  "rgb": {
    "r": 78,
    "g": 181,
    "b": 241
  },
  "hsl": {
    "h": 202.086,
    "s": 85.34,
    "l": 62.549
  },
  "oklch": {
    "l": 0.73777,
    "c": 0.12839,
    "h": 237.7
  },
  "luminance": 0.41018
}

Semantic roles & 50–950 ramp

primary

#4EB5F1

secondary

#EBC6B0

accent

#5504E2

background

#F9FCFF

surface

#F2F8FE

border

#CCD1D6

text

#0E1317

muted

#7E8285

Preview Lab

Preview with #4EB5F1

Body copy rendered with the generated semantic roles for this colour.

Preview Lab → · Contrast checker → · Palette generator →