#588BBB#588BBB

#588BBB is a light, moderate cyan. Relative luminance 0.241; OKLCH L 62.1% C 0.091 H 248.1°. Best body text is #000000 at 5.83:1 contrast (WCAG AA passes).

Color values

HEX	#588BBB
RGB	rgb(88, 139, 187)
HSL	hsl(209, 42%, 54%)
HSV	hsv(209, 53%, 73%)
CMYK	cmyk(52.9%, 25.7%, 0%, 26.7%)
CIE-LAB	lab(56.21, -3.23, -30.30)
CIE-LCH	lch(56.21, 30.47, 263.91°)
OKLab	oklab(62.08% -0.0341 -0.0848)
OKLCH	oklch(62.08% 0.091 248.1)
XYZ	xyz(22.2236, 24.1260, 50.4898)
Luminance	0.2413 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588BBB #BB8858

analogous

#58BBBA #588BBB #585ABB

triadic

#588BBB #BB588B #8BBB58

tetradic

#588BBB #BA58BB #BB8858 #5ABB58

square

#588BBB #BA58BB #BB8858 #5ABB58

split-complementary

#588BBB #BB585A #BBBA58

monochromatic

#2C4D6C #3E6C98 #588BBB #83A9CD #AFC7DE

Accessibility & contrast

On white

3.60

#588BBB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.83

#588BBB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588BBB

5.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588BBB	#FFFFFF	#000000	##000000
##588BBB	1.00	3.60	5.83	5.83
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.83	21.00	1.00	1.00
##000000	5.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#778CBD

Deuteranopia (green-blind)

#6A82BA

Tritanopia (blue-blind)

#1F969B

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #588bbb;
/* rgb */ color: rgb(88, 139, 187);
/* oklch */ color: oklch(62.1% 0.091 248.1);

Tailwind

colors: {
  custom: {
    50: '#8daccf',
    500: '#588bbb',
    950: '#000000',
  },
}

SCSS

$custom: #588bbb;
$custom-light: #8daccf;
$custom-dark: #000000;

JSON

{
  "hex": "#588bbb",
  "rgb": {
    "r": 88,
    "g": 139,
    "b": 187
  },
  "hsl": {
    "h": 209.091,
    "s": 42.128,
    "l": 53.922
  },
  "oklch": {
    "l": 0.62077,
    "c": 0.09142,
    "h": 248.1
  },
  "luminance": 0.24128
}

Semantic roles & 50–950 ramp

primary

#588BBB

secondary

#CDB7A2

accent

#9256D2

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1014

muted

#7E7F82

Preview Lab

Preview with #588BBB

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

Preview Lab → · Contrast checker → · Palette generator →