#588BCB#588BCB

#588BCB is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.9% C 0.112 H 254.8°. Best body text is #000000 at 5.97:1 contrast (WCAG AA passes).

Color values

HEX	#588BCB
RGB	rgb(88, 139, 203)
HSL	hsl(213, 53%, 57%)
HSV	hsv(213, 57%, 80%)
CMYK	cmyk(56.7%, 31.5%, 0%, 20.4%)
CIE-LAB	lab(56.93, 1.83, -38.25)
CIE-LCH	lch(56.93, 38.29, 272.73°)
OKLab	oklab(62.87% -0.0293 -0.1078)
OKLCH	oklch(62.87% 0.112 254.8)
XYZ	xyz(24.0328, 24.8497, 60.0183)
Luminance	0.2485 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588BCB #CB9858

analogous

#58C5CB #588BCB #5F58CB

triadic

#588BCB #CB588B #8BCB58

tetradic

#588BCB #CB58C5 #CB9858 #58CB5F

square

#588BCB #CB58C5 #CB9858 #58CB5F

split-complementary

#588BCB #CB5F58 #C5CB58

monochromatic

#284F81 #376CAF #588BCB #87ABDA #B5CCE8

Accessibility & contrast

On white

3.52

#588BCB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.97

#588BCB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588BCB

5.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588BCB	#FFFFFF	#000000	##000000
##588BCB	1.00	3.52	5.97	5.97
#FFFFFF	3.52	1.00	21.00	21.00
#000000	5.97	21.00	1.00	1.00
##000000	5.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#718FCE

Deuteranopia (green-blind)

#6284CA

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #588bcb;
/* rgb */ color: rgb(88, 139, 203);
/* oklch */ color: oklch(62.9% 0.112 254.8);

Tailwind

colors: {
  custom: {
    50: '#8facdb',
    500: '#588bcb',
    950: '#000000',
  },
}

SCSS

$custom: #588bcb;
$custom-light: #8facdb;
$custom-dark: #000000;

JSON

{
  "hex": "#588bcb",
  "rgb": {
    "r": 88,
    "g": 139,
    "b": 203
  },
  "hsl": {
    "h": 213.391,
    "s": 52.511,
    "l": 57.059
  },
  "oklch": {
    "l": 0.62873,
    "c": 0.11172,
    "h": 254.8
  },
  "luminance": 0.24852
}

Semantic roles & 50–950 ramp

primary

#588BCB

secondary

#D7C2A8

accent

#9C4CDC

background

#F9FAFD

surface

#F1F4FB

border

#CBCED4

text

#0D1015

muted

#7E7F83

Preview Lab

Preview with #588BCB

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

Preview Lab → · Contrast checker → · Palette generator →