#587CB4#587CB4

#587CB4 is a mid, moderate blue. Relative luminance 0.198; OKLCH L 58.4% C 0.096 H 259.0°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#587CB4
RGB	rgb(88, 124, 180)
HSL	hsl(217, 38%, 53%)
HSV	hsv(217, 51%, 71%)
CMYK	cmyk(51.1%, 31.1%, 0%, 29.4%)
CIE-LAB	lab(51.59, 3.39, -33.49)
CIE-LCH	lch(51.59, 33.66, 275.78°)
OKLab	oklab(58.35% -0.0183 -0.0941)
OKLCH	oklch(58.35% 0.096 259)
XYZ	xyz(19.4676, 19.7839, 45.9640)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CB4 #B49058

analogous

#58AAB4 #587CB4 #6258B4

triadic

#587CB4 #B4587C #7CB458

tetradic

#587CB4 #B458AA #B49058 #58B462

square

#587CB4 #B458AA #B49058 #58B462

split-complementary

#587CB4 #B46258 #AAB458

monochromatic

#2D4364 #405F8F #587CB4 #829DC7 #ACBEDA

Accessibility & contrast

On white

4.24

#587CB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#587CB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CB4

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CB4	#FFFFFF	#000000	##000000
##587CB4	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6680B6

Deuteranopia (green-blind)

#5B77B3

Tritanopia (blue-blind)

#2C8890

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #587cb4;
/* rgb */ color: rgb(88, 124, 180);
/* oklch */ color: oklch(58.4% 0.096 259.0);

Tailwind

colors: {
  custom: {
    50: '#8da1ca',
    500: '#587cb4',
    950: '#000000',
  },
}

SCSS

$custom: #587cb4;
$custom-light: #8da1ca;
$custom-dark: #000000;

JSON

{
  "hex": "#587cb4",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 180
  },
  "hsl": {
    "h": 216.522,
    "s": 38.017,
    "l": 52.549
  },
  "oklch": {
    "l": 0.5835,
    "c": 0.09588,
    "h": 259
  },
  "luminance": 0.19785
}

Semantic roles & 50–950 ramp

primary

#587CB4

secondary

#C8B8A0

accent

#A15ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0D0F13

muted

#7D7E82

Preview Lab

Preview with #587CB4

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

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