#587CB7#587CB7

#587CB7 is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.5% C 0.100 H 259.9°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#587CB7
RGB	rgb(88, 124, 183)
HSL	hsl(217, 40%, 53%)
HSV	hsv(217, 52%, 72%)
CMYK	cmyk(51.9%, 32.2%, 0%, 28.2%)
CIE-LAB	lab(51.73, 4.33, -35.00)
CIE-LCH	lch(51.73, 35.27, 277.06°)
OKLab	oklab(58.51% -0.0175 -0.0985)
OKLCH	oklch(58.51% 0.1 259.9)
XYZ	xyz(19.7765, 19.9075, 47.5910)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CB7 #B79358

analogous

#58ABB7 #587CB7 #6358B7

triadic

#587CB7 #B7587C #7CB758

tetradic

#587CB7 #B758AB #B79358 #58B763

square

#587CB7 #B758AB #B79358 #58B763

split-complementary

#587CB7 #B76358 #ABB758

monochromatic

#2D4368 #3F5F93 #587CB7 #839EC9 #AEBFDC

Accessibility & contrast

On white

4.22

#587CB7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#587CB7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CB7

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CB7	#FFFFFF	#000000	##000000
##587CB7	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6580B9

Deuteranopia (green-blind)

#5A77B6

Tritanopia (blue-blind)

#298991

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #587cb7;
/* rgb */ color: rgb(88, 124, 183);
/* oklch */ color: oklch(58.5% 0.100 259.9);

Tailwind

colors: {
  custom: {
    50: '#8da1cd',
    500: '#587cb7',
    950: '#000000',
  },
}

SCSS

$custom: #587cb7;
$custom-light: #8da1cd;
$custom-dark: #000000;

JSON

{
  "hex": "#587cb7",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 183
  },
  "hsl": {
    "h": 217.263,
    "s": 39.749,
    "l": 53.137
  },
  "oklch": {
    "l": 0.58506,
    "c": 0.10002,
    "h": 259.9
  },
  "luminance": 0.19909
}

Semantic roles & 50–950 ramp

primary

#587CB7

secondary

#CABAA1

accent

#A258D0

background

#F8F9FC

surface

#F0F2F9

border

#CBCCD2

text

#0D0F13

muted

#7D7E82

Preview Lab

Preview with #587CB7

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

Preview Lab → · Contrast checker → · Palette generator →