#588EB3#588EB3

#588EB3 is a light, moderate cyan. Relative luminance 0.247; OKLCH L 62.4% C 0.080 H 239.8°. Best body text is #000000 at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#588EB3
RGB	rgb(88, 142, 179)
HSL	hsl(204, 37%, 52%)
HSV	hsv(204, 51%, 70%)
CMYK	cmyk(50.8%, 20.7%, 0%, 29.8%)
CIE-LAB	lab(56.76, -7.40, -24.90)
CIE-LCH	lch(56.76, 25.98, 253.46°)
OKLab	oklab(62.4% -0.0404 -0.0693)
OKLCH	oklch(62.4% 0.08 239.8)
XYZ	xyz(21.8313, 24.6737, 46.2511)
Luminance	0.2467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#588EB3 #B37D58

analogous

#58B3AB #588EB3 #5860B3

triadic

#588EB3 #B3588E #8EB358

tetradic

#588EB3 #AB58B3 #B37D58 #60B358

square

#588EB3 #AB58B3 #B37D58 #60B358

split-complementary

#588EB3 #B35860 #B3AB58

monochromatic

#2D4D63 #406E8D #588EB3 #82AAC6 #ACC7D9

Accessibility & contrast

On white

3.54

#588EB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.94

#588EB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #588EB3

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##588EB3	#FFFFFF	#000000	##000000
##588EB3	1.00	3.54	5.94	5.94
#FFFFFF	3.54	1.00	21.00	21.00
#000000	5.94	21.00	1.00	1.00
##000000	5.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7E8EB5

Deuteranopia (green-blind)

#7184B2

Tritanopia (blue-blind)

#28979A

Achromatopsia (no color)

#888888

Design tokens & code

CSS

--color: #588eb3;
/* rgb */ color: rgb(88, 142, 179);
/* oklch */ color: oklch(62.4% 0.080 239.8);

Tailwind

colors: {
  custom: {
    50: '#8dafc9',
    500: '#588eb3',
    950: '#000000',
  },
}

SCSS

$custom: #588eb3;
$custom-light: #8dafc9;
$custom-dark: #000000;

JSON

{
  "hex": "#588eb3",
  "rgb": {
    "r": 88,
    "g": 142,
    "b": 179
  },
  "hsl": {
    "h": 204.396,
    "s": 37.449,
    "l": 52.353
  },
  "oklch": {
    "l": 0.62396,
    "c": 0.08027,
    "h": 239.8
  },
  "luminance": 0.24675
}

Semantic roles & 50–950 ramp

primary

#588EB3

secondary

#C7B0A0

accent

#895ACD

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0D1013

muted

#7D7F82

Preview Lab

Preview with #588EB3

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

Preview Lab → · Contrast checker → · Palette generator →