#578FB2#578FB2

#578FB2 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.5% C 0.079 H 237.3°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#578FB2
RGB	rgb(87, 143, 178)
HSL	hsl(203, 37%, 52%)
HSV	hsv(203, 51%, 70%)
CMYK	cmyk(51.1%, 19.7%, 0%, 30.2%)
CIE-LAB	lab(56.96, -8.50, -24.02)
CIE-LCH	lch(56.96, 25.48, 250.52°)
OKLab	oklab(62.53% -0.0428 -0.0668)
OKLCH	oklch(62.53% 0.079 237.3)
XYZ	xyz(21.7859, 24.8838, 45.7659)
Luminance	0.2489 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FB2 #B27A57

analogous

#57B2A8 #578FB2 #5762B2

triadic

#578FB2 #B2578F #8FB257

tetradic

#578FB2 #A857B2 #B27A57 #62B257

square

#578FB2 #A857B2 #B27A57 #62B257

split-complementary

#578FB2 #B25762 #B2A857

monochromatic

#2D4D62 #406F8C #578FB2 #81ABC5 #ABC7D8

Accessibility & contrast

On white

3.51

#578FB2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#578FB2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FB2

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FB2	#FFFFFF	#000000	##000000
##578FB2	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7F8EB4

Deuteranopia (green-blind)

#7384B1

Tritanopia (blue-blind)

#26989B

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #578fb2;
/* rgb */ color: rgb(87, 143, 178);
/* oklch */ color: oklch(62.5% 0.079 237.3);

Tailwind

colors: {
  custom: {
    50: '#8cafc9',
    500: '#578fb2',
    950: '#000000',
  },
}

SCSS

$custom: #578fb2;
$custom-light: #8cafc9;
$custom-dark: #000000;

JSON

{
  "hex": "#578fb2",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 178
  },
  "hsl": {
    "h": 203.077,
    "s": 37.143,
    "l": 51.961
  },
  "oklch": {
    "l": 0.62533,
    "c": 0.07939,
    "h": 237.3
  },
  "luminance": 0.24886
}

Semantic roles & 50–950 ramp

primary

#578FB2

secondary

#C6AE9E

accent

#875BCD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0C1013

muted

#7D7F82

Preview Lab

Preview with #578FB2

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

Preview Lab → · Contrast checker → · Palette generator →