#588CB9#588CB9

#588CB9 is a light, moderate cyan. Relative luminance 0.243; OKLCH L 62.2% C 0.088 H 245.9°. Best body text is #000000 at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#588CB9
RGB	rgb(88, 140, 185)
HSL	hsl(208, 41%, 54%)
HSV	hsv(208, 52%, 73%)
CMYK	cmyk(52.4%, 24.3%, 0%, 27.5%)
CIE-LAB	lab(56.42, -4.43, -28.84)
CIE-LCH	lch(56.42, 29.18, 261.27°)
OKLab	oklab(62.21% -0.036 -0.0806)
OKLCH	oklch(62.21% 0.088 245.9)
XYZ	xyz(22.1564, 24.3319, 49.4185)
Luminance	0.2433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588CB9 #B98558

analogous

#58B9B5 #588CB9 #585BB9

triadic

#588CB9 #B9588C #8CB958

tetradic

#588CB9 #B558B9 #B98558 #5BB958

square

#588CB9 #B558B9 #B98558 #5BB958

split-complementary

#588CB9 #B9585B #B9B558

monochromatic

#2C4E6A #3F6D95 #588CB9 #83AACB #AEC7DD

Accessibility & contrast

On white

3.58

#588CB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.87

#588CB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588CB9

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588CB9	#FFFFFF	#000000	##000000
##588CB9	1.00	3.58	5.87	5.87
#FFFFFF	3.58	1.00	21.00	21.00
#000000	5.87	21.00	1.00	1.00
##000000	5.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798DBB

Deuteranopia (green-blind)

#6C83B8

Tritanopia (blue-blind)

#22979B

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #588cb9;
/* rgb */ color: rgb(88, 140, 185);
/* oklch */ color: oklch(62.2% 0.088 245.9);

Tailwind

colors: {
  custom: {
    50: '#8dadce',
    500: '#588cb9',
    950: '#000000',
  },
}

SCSS

$custom: #588cb9;
$custom-light: #8dadce;
$custom-dark: #000000;

JSON

{
  "hex": "#588cb9",
  "rgb": {
    "r": 88,
    "g": 140,
    "b": 185
  },
  "hsl": {
    "h": 207.835,
    "s": 40.928,
    "l": 53.529
  },
  "oklch": {
    "l": 0.6221,
    "c": 0.08828,
    "h": 245.9
  },
  "luminance": 0.24334
}

Semantic roles & 50–950 ramp

primary

#588CB9

secondary

#CBB5A2

accent

#9057D1

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #588CB9

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

Preview Lab → · Contrast checker → · Palette generator →