#579DEE#579DEE

#579DEE is a light, vivid cyan. Relative luminance 0.323; OKLCH L 68.6% C 0.140 H 253.4°. Best body text is #000000 at 7.46:1 contrast (WCAG AA passes).

Color values

HEX	#579DEE
RGB	rgb(87, 157, 238)
HSL	hsl(212, 82%, 64%)
HSV	hsv(212, 63%, 93%)
CMYK	cmyk(63.4%, 34%, 0%, 6.7%)
CIE-LAB	lab(63.60, 2.60, -47.24)
CIE-LCH	lch(63.60, 47.31, 273.16°)
OKLab	oklab(68.63% -0.0398 -0.1339)
OKLCH	oklch(68.63% 0.14 253.4)
XYZ	xyz(31.4145, 32.3102, 85.4533)
Luminance	0.3231 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579DEE #EEA857

analogous

#57E9EE #579DEE #5C57EE

triadic

#579DEE #EE579D #9DEE57

tetradic

#579DEE #EE57E9 #EEA857 #57EE5C

square

#579DEE #EE57E9 #EEA857 #57EE5C

split-complementary

#579DEE #EE5C57 #E9EE57

monochromatic

#135FB8 #1F7DE8 #579DEE #8FBDF4 #C6DEF9

Accessibility & contrast

On white

2.81

#579DEE on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.46

#579DEE on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579DEE

7.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579DEE	#FFFFFF	#000000	##000000
##579DEE	1.00	2.81	7.46	7.46
#FFFFFF	2.81	1.00	21.00	21.00
#000000	7.46	21.00	1.00	1.00
##000000	7.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7AA2F1

Deuteranopia (green-blind)

#6594EC

Tritanopia (blue-blind)

#00B0BA

Achromatopsia (no color)

#9A9A9A

Design tokens & code

CSS

--color: #579dee;
/* rgb */ color: rgb(87, 157, 238);
/* oklch */ color: oklch(68.6% 0.140 253.4);

Tailwind

colors: {
  custom: {
    50: '#94b9f4',
    500: '#579dee',
    950: '#000000',
  },
}

SCSS

$custom: #579dee;
$custom-light: #94b9f4;
$custom-dark: #000000;

JSON

{
  "hex": "#579dee",
  "rgb": {
    "r": 87,
    "g": 157,
    "b": 238
  },
  "hsl": {
    "h": 212.185,
    "s": 81.622,
    "l": 63.725
  },
  "oklch": {
    "l": 0.68625,
    "c": 0.13965,
    "h": 253.4
  },
  "luminance": 0.32313
}

Semantic roles & 50–950 ramp

primary

#579DEE

secondary

#EBD2B6

accent

#7B08DE

background

#F9FBFE

surface

#F2F6FD

border

#CCD0D5

text

#0E1117

muted

#7E8085

Preview Lab

Preview with #579DEE

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

Preview Lab → · Contrast checker → · Palette generator →