#587CCF#587CCF

#587CCF is a mid, vivid blue. Relative luminance 0.210; OKLCH L 59.8% C 0.133 H 265.0°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#587CCF
RGB	rgb(88, 124, 207)
HSL	hsl(222, 55%, 58%)
HSV	hsv(222, 57%, 81%)
CMYK	cmyk(57.5%, 40.1%, 0%, 18.8%)
CIE-LAB	lab(52.94, 12.10, -46.80)
CIE-LCH	lch(52.94, 48.34, 284.49°)
OKLab	oklab(59.84% -0.0117 -0.1329)
OKLCH	oklch(59.84% 0.133 265)
XYZ	xyz(22.4908, 20.9932, 61.8863)
Luminance	0.2099 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587CCF #CFAB58

analogous

#58B7CF #587CCF #6F58CF

triadic

#587CCF #CF587C #7CCF58

tetradic

#587CCF #CF58B7 #CFAB58 #58CF6F

square

#587CCF #CF58B7 #CFAB58 #58CF6F

split-complementary

#587CCF #CF6F58 #B7CF58

monochromatic

#274386 #345BB6 #587CCF #88A1DD #B7C7EA

Accessibility & contrast

On white

4.04

#587CCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#587CCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587CCF

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587CCF	#FFFFFF	#000000	##000000
##587CCF	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5984D2

Deuteranopia (green-blind)

#4979CD

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587ccf;
/* rgb */ color: rgb(88, 124, 207);
/* oklch */ color: oklch(59.8% 0.133 265.0);

Tailwind

colors: {
  custom: {
    50: '#90a1de',
    500: '#587ccf',
    950: '#000000',
  },
}

SCSS

$custom: #587ccf;
$custom-light: #90a1de;
$custom-dark: #000000;

JSON

{
  "hex": "#587ccf",
  "rgb": {
    "r": 88,
    "g": 124,
    "b": 207
  },
  "hsl": {
    "h": 221.849,
    "s": 55.349,
    "l": 57.843
  },
  "oklch": {
    "l": 0.5984,
    "c": 0.13343,
    "h": 265
  },
  "luminance": 0.20995
}

Semantic roles & 50–950 ramp

primary

#587CCF

secondary

#D9CBAA

accent

#B149DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587CCF

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

Preview Lab → · Contrast checker → · Palette generator →