#587AB4#587AB4

#587AB4 is a mid, moderate blue. Relative luminance 0.193; OKLCH L 57.9% C 0.098 H 260.7°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#587AB4
RGB	rgb(88, 122, 180)
HSL	hsl(218, 38%, 53%)
HSV	hsv(218, 51%, 71%)
CMYK	cmyk(51.1%, 32.2%, 0%, 29.4%)
CIE-LAB	lab(51.02, 4.59, -34.39)
CIE-LCH	lch(51.02, 34.69, 277.60°)
OKLab	oklab(57.91% -0.0159 -0.0967)
OKLCH	oklch(57.91% 0.098 260.7)
XYZ	xyz(19.2195, 19.2877, 45.8813)
Luminance	0.1929 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587AB4 #B49258

analogous

#58A8B4 #587AB4 #6458B4

triadic

#587AB4 #B4587A #7AB458

tetradic

#587AB4 #B458A8 #B49258 #58B464

square

#587AB4 #B458A8 #B49258 #58B464

split-complementary

#587AB4 #B46458 #A8B458

monochromatic

#2D4264 #405D8F #587AB4 #829CC7 #ACBDDA

Accessibility & contrast

On white

4.32

#587AB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#587AB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587AB4

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587AB4	#FFFFFF	#000000	##000000
##587AB4	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647EB6

Deuteranopia (green-blind)

#5976B3

Tritanopia (blue-blind)

#2D878F

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #587ab4;
/* rgb */ color: rgb(88, 122, 180);
/* oklch */ color: oklch(57.9% 0.098 260.7);

Tailwind

colors: {
  custom: {
    50: '#8da0ca',
    500: '#587ab4',
    950: '#000000',
  },
}

SCSS

$custom: #587ab4;
$custom-light: #8da0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#587ab4",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 180
  },
  "hsl": {
    "h": 217.826,
    "s": 38.017,
    "l": 52.549
  },
  "oklch": {
    "l": 0.57906,
    "c": 0.09801,
    "h": 260.7
  },
  "luminance": 0.19289
}

Semantic roles & 50–950 ramp

primary

#587AB4

secondary

#C8B9A0

accent

#A35ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0D0E13

muted

#7D7E82

Preview Lab

Preview with #587AB4

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

Preview Lab → · Contrast checker → · Palette generator →