#587AB5#587AB5

#587AB5 is a mid, moderate blue. Relative luminance 0.193; OKLCH L 58.0% C 0.099 H 260.9°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#587AB5
RGB	rgb(88, 122, 181)
HSL	hsl(218, 39%, 53%)
HSV	hsv(218, 51%, 71%)
CMYK	cmyk(51.4%, 32.6%, 0%, 29%)
CIE-LAB	lab(51.07, 4.90, -34.89)
CIE-LCH	lch(51.07, 35.23, 278.00°)
OKLab	oklab(57.96% -0.0156 -0.0982)
OKLCH	oklch(57.96% 0.099 260.9)
XYZ	xyz(19.3217, 19.3286, 46.4197)
Luminance	0.1933 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587AB5 #B59358

analogous

#58A8B5 #587AB5 #6558B5

triadic

#587AB5 #B5587A #7AB558

tetradic

#587AB5 #B558A8 #B59358 #58B565

square

#587AB5 #B558A8 #B59358 #58B565

split-complementary

#587AB5 #B56558 #A8B558

monochromatic

#2D4266 #405D90 #587AB5 #829CC8 #ADBEDB

Accessibility & contrast

On white

4.32

#587AB5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#587AB5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587AB5

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587AB5	#FFFFFF	#000000	##000000
##587AB5	1.00	4.32	4.87	4.87
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#637EB7

Deuteranopia (green-blind)

#5876B4

Tritanopia (blue-blind)

#2C878F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #587ab5;
/* rgb */ color: rgb(88, 122, 181);
/* oklch */ color: oklch(58.0% 0.099 260.9);

Tailwind

colors: {
  custom: {
    50: '#8da0cb',
    500: '#587ab5',
    950: '#000000',
  },
}

SCSS

$custom: #587ab5;
$custom-light: #8da0cb;
$custom-dark: #000000;

JSON

{
  "hex": "#587ab5",
  "rgb": {
    "r": 88,
    "g": 122,
    "b": 181
  },
  "hsl": {
    "h": 218.065,
    "s": 38.589,
    "l": 52.745
  },
  "oklch": {
    "l": 0.57958,
    "c": 0.09941,
    "h": 260.9
  },
  "luminance": 0.1933
}

Semantic roles & 50–950 ramp

primary

#587AB5

secondary

#C9BAA0

accent

#A459CF

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0D0E13

muted

#7D7E82

Preview Lab

Preview with #587AB5

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

Preview Lab → · Contrast checker → · Palette generator →