#588EB9#588EB9

#588EB9 is a light, moderate cyan. Relative luminance 0.249; OKLCH L 62.7% C 0.087 H 243.8°. Best body text is #000000 at 5.98:1 contrast (WCAG AA passes).

Color values

HEX	#588EB9
RGB	rgb(88, 142, 185)
HSL	hsl(207, 41%, 54%)
HSV	hsv(207, 52%, 73%)
CMYK	cmyk(52.4%, 23.2%, 0%, 27.5%)
CIE-LAB	lab(57.00, -5.57, -27.94)
CIE-LCH	lch(57.00, 28.49, 258.72°)
OKLab	oklab(62.67% -0.0383 -0.078)
OKLCH	oklch(62.67% 0.087 243.8)
XYZ	xyz(22.4513, 24.9217, 49.5168)
Luminance	0.2492 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588EB9 #B98358

analogous

#58B9B3 #588EB9 #585DB9

triadic

#588EB9 #B9588E #8EB958

tetradic

#588EB9 #B358B9 #B98358 #5DB958

square

#588EB9 #B358B9 #B98358 #5DB958

split-complementary

#588EB9 #B9585D #B9B358

monochromatic

#2C4F6A #3F6F95 #588EB9 #83ABCB #AEC8DD

Accessibility & contrast

On white

3.51

#588EB9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.98

#588EB9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588EB9

5.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588EB9	#FFFFFF	#000000	##000000
##588EB9	1.00	3.51	5.98	5.98
#FFFFFF	3.51	1.00	21.00	21.00
#000000	5.98	21.00	1.00	1.00
##000000	5.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7C8EBB

Deuteranopia (green-blind)

#6F84B8

Tritanopia (blue-blind)

#21989D

Achromatopsia (no color)

#898989

Design tokens & code

CSS

--color: #588eb9;
/* rgb */ color: rgb(88, 142, 185);
/* oklch */ color: oklch(62.7% 0.087 243.8);

Tailwind

colors: {
  custom: {
    50: '#8dafce',
    500: '#588eb9',
    950: '#000000',
  },
}

SCSS

$custom: #588eb9;
$custom-light: #8dafce;
$custom-dark: #000000;

JSON

{
  "hex": "#588eb9",
  "rgb": {
    "r": 88,
    "g": 142,
    "b": 185
  },
  "hsl": {
    "h": 206.598,
    "s": 40.928,
    "l": 53.529
  },
  "oklch": {
    "l": 0.62668,
    "c": 0.08695,
    "h": 243.8
  },
  "luminance": 0.24923
}

Semantic roles & 50–950 ramp

primary

#588EB9

secondary

#CBB4A2

accent

#8D57D1

background

#F9FAFC

surface

#F1F4F9

border

#CBCED2

text

#0D1013

muted

#7E7F82

Preview Lab

Preview with #588EB9

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

Preview Lab → · Contrast checker → · Palette generator →