#578FBB#578FBB

#578FBB is a light, moderate cyan. Relative luminance 0.253; OKLCH L 62.9% C 0.089 H 243.6°. Best body text is #000000 at 6.05:1 contrast (WCAG AA passes).

Color values

HEX	#578FBB
RGB	rgb(87, 143, 187)
HSL	hsl(206, 42%, 54%)
HSV	hsv(206, 53%, 73%)
CMYK	cmyk(53.5%, 23.5%, 0%, 26.7%)
CIE-LAB	lab(57.33, -5.75, -28.58)
CIE-LCH	lch(57.33, 29.15, 258.62°)
OKLab	oklab(62.94% -0.0397 -0.0799)
OKLCH	oklch(62.94% 0.089 243.6)
XYZ	xyz(22.7194, 25.2572, 50.6819)
Luminance	0.2526 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578FBB #BB8357

analogous

#57BBB5 #578FBB #575DBB

triadic

#578FBB #BB578F #8FBB57

tetradic

#578FBB #B557BB #BB8357 #5DBB57

square

#578FBB #B557BB #BB8357 #5DBB57

split-complementary

#578FBB #BB575D #BBB557

monochromatic

#2C506C #3D7097 #578FBB #83ACCD #AEC9DE

Accessibility & contrast

On white

3.47

#578FBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

6.05

#578FBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578FBB

6.05:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578FBB	#FFFFFF	#000000	##000000
##578FBB	1.00	3.47	6.05	6.05
#FFFFFF	3.47	1.00	21.00	21.00
#000000	6.05	21.00	1.00	1.00
##000000	6.05	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8FBD

Deuteranopia (green-blind)

#6F85BA

Tritanopia (blue-blind)

#199A9E

Achromatopsia (no color)

#8A8A8A

Design tokens & code

CSS

--color: #578fbb;
/* rgb */ color: rgb(87, 143, 187);
/* oklch */ color: oklch(62.9% 0.089 243.6);

Tailwind

colors: {
  custom: {
    50: '#8dafcf',
    500: '#578fbb',
    950: '#000000',
  },
}

SCSS

$custom: #578fbb;
$custom-light: #8dafcf;
$custom-dark: #000000;

JSON

{
  "hex": "#578fbb",
  "rgb": {
    "r": 87,
    "g": 143,
    "b": 187
  },
  "hsl": {
    "h": 206.4,
    "s": 42.373,
    "l": 53.725
  },
  "oklch": {
    "l": 0.6294,
    "c": 0.08919,
    "h": 243.6
  },
  "luminance": 0.25259
}

Semantic roles & 50–950 ramp

primary

#578FBB

secondary

#CCB4A2

accent

#8C56D2

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #578FBB

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

Preview Lab → · Contrast checker → · Palette generator →