#587BCF#587BCF

#587BCF is a mid, vivid blue. Relative luminance 0.207; OKLCH L 59.6% C 0.135 H 265.5°. Best body text is #000000 at 5.15:1 contrast (WCAG AA passes).

Color values

HEX	#587BCF
RGB	rgb(88, 123, 207)
HSL	hsl(222, 55%, 58%)
HSV	hsv(222, 57%, 81%)
CMYK	cmyk(57.5%, 40.6%, 0%, 18.8%)
CIE-LAB	lab(52.67, 12.71, -47.24)
CIE-LCH	lch(52.67, 48.92, 285.05°)
OKLab	oklab(59.63% -0.0106 -0.1342)
OKLCH	oklch(59.63% 0.135 265.5)
XYZ	xyz(22.3661, 20.7438, 61.8447)
Luminance	0.2075 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BCF #CFAC58

analogous

#58B6CF #587BCF #7058CF

triadic

#587BCF #CF587B #7BCF58

tetradic

#587BCF #CF58B6 #CFAC58 #58CF70

square

#587BCF #CF58B6 #CFAC58 #58CF70

split-complementary

#587BCF #CF7058 #B6CF58

monochromatic

#274386 #345AB6 #587BCF #88A1DD #B7C6EA

Accessibility & contrast

On white

4.08

#587BCF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.15

#587BCF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BCF

5.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BCF	#FFFFFF	#000000	##000000
##587BCF	1.00	4.08	5.15	5.15
#FFFFFF	4.08	1.00	21.00	21.00
#000000	5.15	21.00	1.00	1.00
##000000	5.15	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5783D2

Deuteranopia (green-blind)

#4879CD

Tritanopia (blue-blind)

#008E9B

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587bcf;
/* rgb */ color: rgb(88, 123, 207);
/* oklch */ color: oklch(59.6% 0.135 265.5);

Tailwind

colors: {
  custom: {
    50: '#90a0de',
    500: '#587bcf',
    950: '#000000',
  },
}

SCSS

$custom: #587bcf;
$custom-light: #90a0de;
$custom-dark: #000000;

JSON

{
  "hex": "#587bcf",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 207
  },
  "hsl": {
    "h": 222.353,
    "s": 55.349,
    "l": 57.843
  },
  "oklch": {
    "l": 0.59628,
    "c": 0.13461,
    "h": 265.5
  },
  "luminance": 0.20746
}

Semantic roles & 50–950 ramp

primary

#587BCF

secondary

#D9CBAA

accent

#B349DF

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587BCF

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

Preview Lab → · Contrast checker → · Palette generator →