#587BB7#587BB7

#587BB7 is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.3% C 0.101 H 260.7°. Best body text is #000000 at 4.93:1 contrast (WCAG AA passes).

Color values

HEX	#587BB7
RGB	rgb(88, 123, 183)
HSL	hsl(218, 40%, 53%)
HSV	hsv(218, 52%, 72%)
CMYK	cmyk(51.9%, 32.8%, 0%, 28.2%)
CIE-LAB	lab(51.45, 4.93, -35.45)
CIE-LCH	lch(51.45, 35.79, 277.92°)
OKLab	oklab(58.29% -0.0163 -0.0998)
OKLCH	oklch(58.29% 0.101 260.7)
XYZ	xyz(19.6518, 19.6581, 47.5494)
Luminance	0.1966 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BB7 #B79458

analogous

#58AAB7 #587BB7 #6458B7

triadic

#587BB7 #B7587B #7BB758

tetradic

#587BB7 #B758AA #B79458 #58B764

square

#587BB7 #B758AA #B79458 #58B764

split-complementary

#587BB7 #B76458 #AAB758

monochromatic

#2D4368 #3F5E93 #587BB7 #839DC9 #AEBFDC

Accessibility & contrast

On white

4.26

#587BB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.93

#587BB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BB7

4.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BB7	#FFFFFF	#000000	##000000
##587BB7	1.00	4.26	4.93	4.93
#FFFFFF	4.26	1.00	21.00	21.00
#000000	4.93	21.00	1.00	1.00
##000000	4.93	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#647FBA

Deuteranopia (green-blind)

#5877B6

Tritanopia (blue-blind)

#2A8891

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #587bb7;
/* rgb */ color: rgb(88, 123, 183);
/* oklch */ color: oklch(58.3% 0.101 260.7);

Tailwind

colors: {
  custom: {
    50: '#8da0cd',
    500: '#587bb7',
    950: '#000000',
  },
}

SCSS

$custom: #587bb7;
$custom-light: #8da0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#587bb7",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 183
  },
  "hsl": {
    "h": 217.895,
    "s": 39.749,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58285,
    "c": 0.1011,
    "h": 260.7
  },
  "luminance": 0.1966
}

Semantic roles & 50–950 ramp

primary

#587BB7

secondary

#CABBA1

accent

#A458D0

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0E13

muted

#7D7E82

Preview Lab

Preview with #587BB7

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

Preview Lab → · Contrast checker → · Palette generator →