#578DCF#578DCF

#578DCF is a light, moderate cyan. Relative luminance 0.256; OKLCH L 63.5% C 0.115 H 254.3°. Best body text is #000000 at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#578DCF
RGB	rgb(87, 141, 207)
HSL	hsl(213, 56%, 58%)
HSV	hsv(213, 58%, 81%)
CMYK	cmyk(58%, 31.9%, 0%, 18.8%)
CIE-LAB	lab(57.64, 1.74, -39.39)
CIE-LCH	lch(57.64, 39.43, 272.53°)
OKLab	oklab(63.48% -0.0313 -0.1111)
OKLCH	oklch(63.48% 0.115 254.3)
XYZ	xyz(24.7138, 25.5788, 62.6542)
Luminance	0.2558 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578DCF #CF9957

analogous

#57C9CF #578DCF #5D57CF

triadic

#578DCF #CF578D #8DCF57

tetradic

#578DCF #CF57C9 #CF9957 #57CF5D

square

#578DCF #CF57C9 #CF9957 #57CF5D

split-complementary

#578DCF #CF5D57 #C9CF57

monochromatic

#265185 #346EB5 #578DCF #87ADDD #B6CEEA

Accessibility & contrast

On white

3.43

#578DCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.12

#578DCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578DCF

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578DCF	#FFFFFF	#000000	##000000
##578DCF	1.00	3.43	6.12	6.12
#FFFFFF	3.43	1.00	21.00	21.00
#000000	6.12	21.00	1.00	1.00
##000000	6.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7291D2

Deuteranopia (green-blind)

#6285CE

Tritanopia (blue-blind)

#009CA5

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #578dcf;
/* rgb */ color: rgb(87, 141, 207);
/* oklch */ color: oklch(63.5% 0.115 254.3);

Tailwind

colors: {
  custom: {
    50: '#8faede',
    500: '#578dcf',
    950: '#000000',
  },
}

SCSS

$custom: #578dcf;
$custom-light: #8faede;
$custom-dark: #000000;

JSON

{
  "hex": "#578dcf",
  "rgb": {
    "r": 87,
    "g": 141,
    "b": 207
  },
  "hsl": {
    "h": 213,
    "s": 55.556,
    "l": 57.647
  },
  "oklch": {
    "l": 0.63475,
    "c": 0.11546,
    "h": 254.3
  },
  "luminance": 0.25581
}

Semantic roles & 50–950 ramp

primary

#578DCF

secondary

#D9C3A9

accent

#9B49DF

background

#F9FAFD

surface

#F2F4FB

border

#CCCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #578DCF

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

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