#587BBC#587BBC

#587BBC is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.6% C 0.108 H 262.0°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#587BBC
RGB	rgb(88, 123, 188)
HSL	hsl(219, 43%, 54%)
HSV	hsv(219, 53%, 74%)
CMYK	cmyk(53.2%, 34.6%, 0%, 26.3%)
CIE-LAB	lab(51.69, 6.53, -37.94)
CIE-LCH	lch(51.69, 38.50, 279.76°)
OKLab	oklab(58.55% -0.015 -0.107)
OKLCH	oklch(58.55% 0.108 262)
XYZ	xyz(20.1815, 19.8700, 50.3390)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BBC #BC9958

analogous

#58ADBC #587BBC #6758BC

triadic

#587BBC #BC587B #7BBC58

tetradic

#587BBC #BC58AD #BC9958 #58BC67

square

#587BBC #BC58AD #BC9958 #58BC67

split-complementary

#587BBC #BC6758 #ADBC58

monochromatic

#2C436E #3E5E99 #587BBC #849ECE #AFC0DF

Accessibility & contrast

On white

4.22

#587BBC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#587BBC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BBC

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BBC	#FFFFFF	#000000	##000000
##587BBC	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6180BF

Deuteranopia (green-blind)

#5577BB

Tritanopia (blue-blind)

#248993

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #587bbc;
/* rgb */ color: rgb(88, 123, 188);
/* oklch */ color: oklch(58.6% 0.108 262.0);

Tailwind

colors: {
  custom: {
    50: '#8da0d0',
    500: '#587bbc',
    950: '#000000',
  },
}

SCSS

$custom: #587bbc;
$custom-light: #8da0d0;
$custom-dark: #000000;

JSON

{
  "hex": "#587bbc",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 188
  },
  "hsl": {
    "h": 219,
    "s": 42.735,
    "l": 54.118
  },
  "oklch": {
    "l": 0.58552,
    "c": 0.10808,
    "h": 262
  },
  "luminance": 0.19871
}

Semantic roles & 50–950 ramp

primary

#587BBC

secondary

#CDBEA3

accent

#A755D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #587BBC

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

Preview Lab → · Contrast checker → · Palette generator →