#4FB9EA#4FB9EA

#4FB9EA is a light, moderate cyan. Relative luminance 0.423; OKLCH L 74.4% C 0.119 H 231.6°. Best body text is #000000 at 9.46:1 contrast (WCAG AA passes).

Color values

HEX	#4FB9EA
RGB	rgb(79, 185, 234)
HSL	hsl(199, 79%, 61%)
HSV	hsv(199, 66%, 92%)
CMYK	cmyk(66.2%, 20.9%, 0%, 8.2%)
CIE-LAB	lab(71.08, -15.52, -33.39)
CIE-LCH	lch(71.08, 36.82, 245.07°)
OKLab	oklab(74.4% -0.0743 -0.0936)
OKLCH	oklch(74.4% 0.119 231.6)
XYZ	xyz(35.4188, 42.2969, 84.1234)
Luminance	0.4230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4FB9EA #EA804F

analogous

#4FEACE #4FB9EA #4F6CEA

triadic

#4FB9EA #EA4FB9 #B9EA4F

tetradic

#4FB9EA #CE4FEA #EA804F #6CEA4F

square

#4FB9EA #CE4FEA #EA804F #6CEA4F

split-complementary

#4FB9EA #EA4F6C #EACE4F

monochromatic

#147BAA #1BA2E1 #4FB9EA #86CFF1 #BCE4F7

Accessibility & contrast

On white

2.22

#4FB9EA on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

9.46

#4FB9EA on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #4FB9EA

9.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4FB9EA	#FFFFFF	#000000	##000000
##4FB9EA	1.00	2.22	9.46	9.46
#FFFFFF	2.22	1.00	21.00	21.00
#000000	9.46	21.00	1.00	1.00
##000000	9.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#A1B7EC

Deuteranopia (green-blind)

#8BA7E9

Tritanopia (blue-blind)

#00C6C9

Achromatopsia (no color)

#AEAEAE

Design tokens & code

CSS

--color: #4fb9ea;
/* rgb */ color: rgb(79, 185, 234);
/* oklch */ color: oklch(74.4% 0.119 231.6);

Tailwind

colors: {
  custom: {
    50: '#90cef1',
    500: '#4fb9ea',
    950: '#000000',
  },
}

SCSS

$custom: #4fb9ea;
$custom-light: #90cef1;
$custom-dark: #000000;

JSON

{
  "hex": "#4fb9ea",
  "rgb": {
    "r": 79,
    "g": 185,
    "b": 234
  },
  "hsl": {
    "h": 198.968,
    "s": 78.68,
    "l": 61.373
  },
  "oklch": {
    "l": 0.74398,
    "c": 0.11948,
    "h": 231.6
  },
  "luminance": 0.42301
}

Semantic roles & 50–950 ramp

primary

#4FB9EA

secondary

#E7C0AD

accent

#4C0BDB

background

#F9FCFE

surface

#F2F9FD

border

#CCD2D5

text

#0E1316

muted

#7E8284

Preview Lab

Preview with #4FB9EA

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

Preview Lab → · Contrast checker → · Palette generator →