#587BB4#587BB4

#587BB4 is a mid, moderate blue. Relative luminance 0.195; OKLCH L 58.1% C 0.097 H 259.8°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#587BB4
RGB	rgb(88, 123, 180)
HSL	hsl(217, 38%, 53%)
HSV	hsv(217, 51%, 71%)
CMYK	cmyk(51.1%, 31.7%, 0%, 29.4%)
CIE-LAB	lab(51.31, 3.99, -33.94)
CIE-LCH	lch(51.31, 34.17, 276.70°)
OKLab	oklab(58.13% -0.0171 -0.0954)
OKLCH	oklch(58.13% 0.097 259.8)
XYZ	xyz(19.3429, 19.5345, 45.9224)
Luminance	0.1954 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BB4 #B49158

analogous

#58A9B4 #587BB4 #6358B4

triadic

#587BB4 #B4587B #7BB458

tetradic

#587BB4 #B458A9 #B49158 #58B463

square

#587BB4 #B458A9 #B49158 #58B463

split-complementary

#587BB4 #B46358 #A9B458

monochromatic

#2D4264 #405E8F #587BB4 #829CC7 #ACBEDA

Accessibility & contrast

On white

4.28

#587BB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#587BB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BB4

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BB4	#FFFFFF	#000000	##000000
##587BB4	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#657FB6

Deuteranopia (green-blind)

#5A76B3

Tritanopia (blue-blind)

#2D878F

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #587bb4;
/* rgb */ color: rgb(88, 123, 180);
/* oklch */ color: oklch(58.1% 0.097 259.8);

Tailwind

colors: {
  custom: {
    50: '#8da0ca',
    500: '#587bb4',
    950: '#000000',
  },
}

SCSS

$custom: #587bb4;
$custom-light: #8da0ca;
$custom-dark: #000000;

JSON

{
  "hex": "#587bb4",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 180
  },
  "hsl": {
    "h": 217.174,
    "s": 38.017,
    "l": 52.549
  },
  "oklch": {
    "l": 0.58128,
    "c": 0.09694,
    "h": 259.8
  },
  "luminance": 0.19536
}

Semantic roles & 50–950 ramp

primary

#587BB4

secondary

#C8B9A0

accent

#A25ACE

background

#F8F9FC

surface

#F0F2F8

border

#CBCCD1

text

#0D0E13

muted

#7D7E82

Preview Lab

Preview with #587BB4

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

Preview Lab → · Contrast checker → · Palette generator →