#4EB5DF#4EB5DF

#4EB5DF is a light, moderate cyan. Relative luminance 0.400; OKLCH L 73.0% C 0.112 H 228.2°. Best body text is #000000 at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#4EB5DF
RGB	rgb(78, 181, 223)
HSL	hsl(197, 69%, 59%)
HSV	hsv(197, 65%, 87%)
CMYK	cmyk(65%, 18.8%, 0%, 12.5%)
CIE-LAB	lab(69.46, -17.03, -29.89)
CIE-LCH	lch(69.46, 34.40, 240.33°)
OKLab	oklab(72.96% -0.0747 -0.0836)
OKLCH	oklch(72.96% 0.112 228.2)
XYZ	xyz(32.9798, 39.9917, 75.7788)
Luminance	0.4000 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4EB5DF #DF784E

analogous

#4EDFC0 #4EB5DF #4E6DDF

triadic

#4EB5DF #DF4EB5 #B5DF4E

tetradic

#4EB5DF #C04EDF #DF784E #6DDF4E

square

#4EB5DF #C04EDF #DF784E #6DDF4E

split-complementary

#4EB5DF #DF4E6D #DFC04E

monochromatic

#1B7397 #259BCB #4EB5DF #82CBE8 #B6E0F2

Accessibility & contrast

On white

2.33

#4EB5DF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.00

#4EB5DF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4EB5DF

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4EB5DF	#FFFFFF	#000000	##000000
##4EB5DF	1.00	2.33	9.00	9.00
#FFFFFF	2.33	1.00	21.00	21.00
#000000	9.00	21.00	1.00	1.00
##000000	9.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#9FB2E1

Deuteranopia (green-blind)

#8BA3DE

Tritanopia (blue-blind)

#00C1C3

Achromatopsia (no color)

#AAAAAA

Design tokens & code

CSS

--color: #4eb5df;
/* rgb */ color: rgb(78, 181, 223);
/* oklch */ color: oklch(73.0% 0.112 228.2);

Tailwind

colors: {
  custom: {
    50: '#8ecbe9',
    500: '#4eb5df',
    950: '#000000',
  },
}

SCSS

$custom: #4eb5df;
$custom-light: #8ecbe9;
$custom-dark: #000000;

JSON

{
  "hex": "#4eb5df",
  "rgb": {
    "r": 78,
    "g": 181,
    "b": 223
  },
  "hsl": {
    "h": 197.379,
    "s": 69.378,
    "l": 59.02
  },
  "oklch": {
    "l": 0.72963,
    "c": 0.1121,
    "h": 228.2
  },
  "luminance": 0.39995
}

Semantic roles & 50–950 ramp

primary

#4EB5DF

secondary

#E1B8A8

accent

#6F3CEC

background

#F9FCFE

surface

#F2F8FC

border

#CCD1D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4EB5DF

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

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