#588CB3#588CB3

#588CB3 is a mid, moderate cyan. Relative luminance 0.241; OKLCH L 61.9% C 0.081 H 242.1°. Best body text is #000000 at 5.82:1 contrast (WCAG AA passes).

Color values

HEX	#588CB3
RGB	rgb(88, 140, 179)
HSL	hsl(206, 37%, 52%)
HSV	hsv(206, 51%, 70%)
CMYK	cmyk(50.8%, 21.8%, 0%, 29.8%)
CIE-LAB	lab(56.17, -6.26, -25.80)
CIE-LCH	lch(56.17, 26.55, 256.36°)
OKLab	oklab(61.93% -0.038 -0.0719)
OKLCH	oklch(61.93% 0.081 242.1)
XYZ	xyz(21.5364, 24.0839, 46.1529)
Luminance	0.2409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588CB3 #B37F58

analogous

#58B3AD #588CB3 #585FB3

triadic

#588CB3 #B3588C #8CB358

tetradic

#588CB3 #AD58B3 #B37F58 #5FB358

square

#588CB3 #AD58B3 #B37F58 #5FB358

split-complementary

#588CB3 #B3585F #B3AD58

monochromatic

#2D4C63 #406C8D #588CB3 #82A9C6 #ACC6D9

Accessibility & contrast

On white

3.61

#588CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.82

#588CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588CB3

5.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588CB3	#FFFFFF	#000000	##000000
##588CB3	1.00	3.61	5.82	5.82
#FFFFFF	3.61	1.00	21.00	21.00
#000000	5.82	21.00	1.00	1.00
##000000	5.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7B8CB5

Deuteranopia (green-blind)

#6F82B2

Tritanopia (blue-blind)

#299699

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #588cb3;
/* rgb */ color: rgb(88, 140, 179);
/* oklch */ color: oklch(61.9% 0.081 242.1);

Tailwind

colors: {
  custom: {
    50: '#8dadca',
    500: '#588cb3',
    950: '#000000',
  },
}

SCSS

$custom: #588cb3;
$custom-light: #8dadca;
$custom-dark: #000000;

JSON

{
  "hex": "#588cb3",
  "rgb": {
    "r": 88,
    "g": 140,
    "b": 179
  },
  "hsl": {
    "h": 205.714,
    "s": 37.449,
    "l": 52.353
  },
  "oklch": {
    "l": 0.61934,
    "c": 0.08135,
    "h": 242.1
  },
  "luminance": 0.24086
}

Semantic roles & 50–950 ramp

primary

#588CB3

secondary

#C7B1A0

accent

#8C5ACD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0D1013

muted

#7D7F82

Preview Lab

Preview with #588CB3

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

Preview Lab → · Contrast checker → · Palette generator →