#579ECF#579ECF

#579ECF is a light, moderate cyan. Relative luminance 0.310; OKLCH L 67.3% C 0.102 H 240.7°. Best body text is #000000 at 7.20:1 contrast (WCAG AA passes).

Color values

HEX	#579ECF
RGB	rgb(87, 158, 207)
HSL	hsl(205, 56%, 58%)
HSV	hsv(205, 58%, 81%)
CMYK	cmyk(58%, 23.7%, 0%, 18.8%)
CIE-LAB	lab(62.49, -7.97, -31.81)
CIE-LCH	lch(62.49, 32.80, 255.94°)
OKLab	oklab(67.3% -0.05 -0.0891)
OKLCH	oklch(67.3% 0.102 240.7)
XYZ	xyz(27.4156, 30.9825, 63.5548)
Luminance	0.3099 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#579ECF #CF8857

analogous

#57CFC4 #579ECF #5762CF

triadic

#579ECF #CF579E #9ECF57

tetradic

#579ECF #C457CF #CF8857 #62CF57

square

#579ECF #C457CF #CF8857 #62CF57

split-complementary

#579ECF #CF5762 #CFC457

monochromatic

#265F85 #3480B5 #579ECF #87B9DD #B6D5EA

Accessibility & contrast

On white

2.92

#579ECF on #FFFFFF

AA ✗AA large ✗AAA ✗

On black

7.20

#579ECF on #000000

AA ✓AA large ✓AAA ✓

Best text color

#000000 on #579ECF

7.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##579ECF	#FFFFFF	#000000	##000000
##579ECF	1.00	2.92	7.20	7.20
#FFFFFF	2.92	1.00	21.00	21.00
#000000	7.20	21.00	1.00	1.00
##000000	7.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#889ED1

Deuteranopia (green-blind)

#7892CE

Tritanopia (blue-blind)

#00AAAF

Achromatopsia (no color)

#979797

Design tokens & code

CSS

--color: #579ecf;
/* rgb */ color: rgb(87, 158, 207);
/* oklch */ color: oklch(67.3% 0.102 240.7);

Tailwind

colors: {
  custom: {
    50: '#90bade',
    500: '#579ecf',
    950: '#000000',
  },
}

SCSS

$custom: #579ecf;
$custom-light: #90bade;
$custom-dark: #000000;

JSON

{
  "hex": "#579ecf",
  "rgb": {
    "r": 87,
    "g": 158,
    "b": 207
  },
  "hsl": {
    "h": 204.5,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.67299,
    "c": 0.10218,
    "h": 240.7
  },
  "luminance": 0.30985
}

Semantic roles & 50–950 ramp

primary

#579ECF

secondary

#D9BCA9

accent

#8649DF

background

#F9FBFD

surface

#F2F6FB

border

#CCD0D4

text

#0D1115

muted

#7E8083

Preview Lab

Preview with #579ECF

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

Preview Lab → · Contrast checker → · Palette generator →