#587BCC#587BCC

#587BCC is a mid, vivid blue. Relative luminance 0.206; OKLCH L 59.5% C 0.130 H 265.1°. Best body text is #000000 at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#587BCC
RGB	rgb(88, 123, 204)
HSL	hsl(222, 53%, 57%)
HSV	hsv(222, 57%, 80%)
CMYK	cmyk(56.9%, 39.7%, 0%, 20%)
CIE-LAB	lab(52.51, 11.72, -45.79)
CIE-LCH	lch(52.51, 47.27, 284.35°)
OKLab	oklab(59.45% -0.0112 -0.1299)
OKLCH	oklch(59.45% 0.13 265.1)
XYZ	xyz(22.0028, 20.5985, 59.9315)
Luminance	0.2060 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BCC #CCA958

analogous

#58B5CC #587BCC #6F58CC

triadic

#587BCC #CC587B #7BCC58

tetradic

#587BCC #CC58B5 #CCA958 #58CC6F

square

#587BCC #CC58B5 #CCA958 #58CC6F

split-complementary

#587BCC #CC6F58 #B5CC58

monochromatic

#284382 #365BB1 #587BCC #87A0DA #B6C5E9

Accessibility & contrast

On white

4.10

#587BCC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.12

#587BCC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BCC

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BCC	#FFFFFF	#000000	##000000
##587BCC	1.00	4.10	5.12	5.12
#FFFFFF	4.10	1.00	21.00	21.00
#000000	5.12	21.00	1.00	1.00
##000000	5.12	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5983CF

Deuteranopia (green-blind)

#4A78CA

Tritanopia (blue-blind)

#008D9A

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587bcc;
/* rgb */ color: rgb(88, 123, 204);
/* oklch */ color: oklch(59.5% 0.130 265.1);

Tailwind

colors: {
  custom: {
    50: '#90a0dc',
    500: '#587bcc',
    950: '#000000',
  },
}

SCSS

$custom: #587bcc;
$custom-light: #90a0dc;
$custom-dark: #000000;

JSON

{
  "hex": "#587bcc",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 204
  },
  "hsl": {
    "h": 221.897,
    "s": 53.211,
    "l": 57.255
  },
  "oklch": {
    "l": 0.59452,
    "c": 0.13044,
    "h": 265.1
  },
  "luminance": 0.206
}

Semantic roles & 50–950 ramp

primary

#587BCC

secondary

#D7C9A8

accent

#B14BDD

background

#F9F9FD

surface

#F2F2FB

border

#CCCCD4

text

#0D0E15

muted

#7E7E83

Preview Lab

Preview with #587BCC

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

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