#588CBB#588CBB

#588CBB is a light, moderate cyan. Relative luminance 0.244; OKLCH L 62.3% C 0.091 H 247.1°. Best body text is #000000 at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#588CBB
RGB	rgb(88, 140, 187)
HSL	hsl(208, 42%, 54%)
HSV	hsv(208, 53%, 73%)
CMYK	cmyk(52.9%, 25.1%, 0%, 26.7%)
CIE-LAB	lab(56.50, -3.81, -29.85)
CIE-LCH	lch(56.50, 30.09, 262.73°)
OKLab	oklab(62.3% -0.0353 -0.0835)
OKLCH	oklch(62.3% 0.091 247.1)
XYZ	xyz(22.3690, 24.4169, 50.5382)
Luminance	0.2442 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588CBB #BB8758

analogous

#58BBB9 #588CBB #585BBB

triadic

#588CBB #BB588C #8CBB58

tetradic

#588CBB #B958BB #BB8758 #5BBB58

square

#588CBB #B958BB #BB8758 #5BBB58

split-complementary

#588CBB #BB585B #BBB958

monochromatic

#2C4E6C #3E6D98 #588CBB #83AACD #AFC8DE

Accessibility & contrast

On white

3.57

#588CBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.88

#588CBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588CBB

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588CBB	#FFFFFF	#000000	##000000
##588CBB	1.00	3.57	5.88	5.88
#FFFFFF	3.57	1.00	21.00	21.00
#000000	5.88	21.00	1.00	1.00
##000000	5.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBD

Deuteranopia (green-blind)

#6B83BA

Tritanopia (blue-blind)

#1F979C

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #588cbb;
/* rgb */ color: rgb(88, 140, 187);
/* oklch */ color: oklch(62.3% 0.091 247.1);

Tailwind

colors: {
  custom: {
    50: '#8dadcf',
    500: '#588cbb',
    950: '#000000',
  },
}

SCSS

$custom: #588cbb;
$custom-light: #8dadcf;
$custom-dark: #000000;

JSON

{
  "hex": "#588cbb",
  "rgb": {
    "r": 88,
    "g": 140,
    "b": 187
  },
  "hsl": {
    "h": 208.485,
    "s": 42.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.62304,
    "c": 0.09068,
    "h": 247.1
  },
  "luminance": 0.24419
}

Semantic roles & 50–950 ramp

primary

#588CBB

secondary

#CDB6A2

accent

#9156D2

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #588CBB

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

Preview Lab → · Contrast checker → · Palette generator →