#4F90DF#4F90DF

#4F90DF is a light, vivid cyan. Relative luminance 0.269; OKLCH L 64.6% C 0.137 H 254.5°. Best body text is #000000 at 6.39:1 contrast (WCAG AA passes).

Color values

HEX	#4F90DF
RGB	rgb(79, 144, 223)
HSL	hsl(213, 69%, 59%)
HSV	hsv(213, 65%, 87%)
CMYK	cmyk(64.6%, 35.4%, 0%, 12.5%)
CIE-LAB	lab(58.91, 3.79, -46.36)
CIE-LCH	lch(58.91, 46.52, 274.67°)
OKLab	oklab(64.63% -0.0365 -0.1315)
OKLCH	oklch(64.63% 0.137 254.5)
XYZ	xyz(26.5122, 26.9339, 73.5993)
Luminance	0.2694 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4F90DF #DF9E4F

analogous

#4FD8DF #4F90DF #564FDF

triadic

#4F90DF #DF4F90 #90DF4F

tetradic

#4F90DF #DF4FD8 #DF9E4F #4FDF56

square

#4F90DF #DF4FD8 #DF9E4F #4FDF56

split-complementary

#4F90DF #DF564F #D8DF4F

monochromatic

#1C5498 #2570CC #4F90DF #83B1E8 #B7D1F2

Accessibility & contrast

On white

3.29

#4F90DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.39

#4F90DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4F90DF

6.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4F90DF	#FFFFFF	#000000	##000000
##4F90DF	1.00	3.29	6.39	6.39
#FFFFFF	3.29	1.00	21.00	21.00
#000000	6.39	21.00	1.00	1.00
##000000	6.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D95E2

Deuteranopia (green-blind)

#5988DD

Tritanopia (blue-blind)

#00A2AD

Achromatopsia (no color)

#8E8E8E

Design tokens & code

CSS

--color: #4f90df;
/* rgb */ color: rgb(79, 144, 223);
/* oklch */ color: oklch(64.6% 0.137 254.5);

Tailwind

colors: {
  custom: {
    50: '#8eb0e9',
    500: '#4f90df',
    950: '#000000',
  },
}

SCSS

$custom: #4f90df;
$custom-light: #8eb0e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4f90df",
  "rgb": {
    "r": 79,
    "g": 144,
    "b": 223
  },
  "hsl": {
    "h": 212.917,
    "s": 69.231,
    "l": 59.216
  },
  "oklch": {
    "l": 0.64634,
    "c": 0.13652,
    "h": 254.5
  },
  "luminance": 0.26936
}

Semantic roles & 50–950 ramp

primary

#4F90DF

secondary

#E1C8A9

accent

#9C3CEC

background

#F9FAFE

surface

#F2F4FD

border

#CCCED5

text

#0D1016

muted

#7E7F84

Preview Lab

Preview with #4F90DF

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

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