#578BCB#578BCB

#578BCB is a light, moderate cyan. Relative luminance 0.248; OKLCH L 62.8% C 0.112 H 254.4°. Best body text is #000000 at 5.96:1 contrast (WCAG AA passes).

Color values

HEX	#578BCB
RGB	rgb(87, 139, 203)
HSL	hsl(213, 53%, 57%)
HSV	hsv(213, 57%, 80%)
CMYK	cmyk(57.1%, 31.5%, 0%, 20.4%)
CIE-LAB	lab(56.88, 1.62, -38.32)
CIE-LCH	lch(56.88, 38.36, 272.42°)
OKLab	oklab(62.82% -0.0302 -0.108)
OKLCH	oklch(62.82% 0.112 254.4)
XYZ	xyz(23.9388, 24.8012, 60.0139)
Luminance	0.2480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#578BCB #CB9757

analogous

#57C5CB #578BCB #5D57CB

triadic

#578BCB #CB578B #8BCB57

tetradic

#578BCB #CB57C5 #CB9757 #57CB5D

square

#578BCB #CB57C5 #CB9757 #57CB5D

split-complementary

#578BCB #CB5D57 #C5CB57

monochromatic

#284F80 #366CAF #578BCB #86ABD9 #B4CCE8

Accessibility & contrast

On white

3.52

#578BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.96

#578BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #578BCB

5.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##578BCB	#FFFFFF	#000000	##000000
##578BCB	1.00	3.52	5.96	5.96
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.96	21.00	1.00	1.00
##000000	5.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718FCE

Deuteranopia (green-blind)

#6283CA

Tritanopia (blue-blind)

#009AA2

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #578bcb;
/* rgb */ color: rgb(87, 139, 203);
/* oklch */ color: oklch(62.8% 0.112 254.4);

Tailwind

colors: {
  custom: {
    50: '#8facdb',
    500: '#578bcb',
    950: '#000000',
  },
}

SCSS

$custom: #578bcb;
$custom-light: #8facdb;
$custom-dark: #000000;

JSON

{
  "hex": "#578bcb",
  "rgb": {
    "r": 87,
    "g": 139,
    "b": 203
  },
  "hsl": {
    "h": 213.103,
    "s": 52.727,
    "l": 56.863
  },
  "oklch": {
    "l": 0.62823,
    "c": 0.11218,
    "h": 254.4
  },
  "luminance": 0.24803
}

Semantic roles & 50–950 ramp

primary

#578BCB

secondary

#D7C1A7

accent

#9B4CDC

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #578BCB

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

Preview Lab → · Contrast checker → · Palette generator →