#587BBD#587BBD

#587BBD is a mid, moderate blue. Relative luminance 0.199; OKLCH L 58.6% C 0.109 H 262.3°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#587BBD
RGB	rgb(88, 123, 189)
HSL	hsl(219, 43%, 54%)
HSV	hsv(219, 53%, 74%)
CMYK	cmyk(53.4%, 34.9%, 0%, 25.9%)
CIE-LAB	lab(51.74, 6.85, -38.44)
CIE-LCH	lch(51.74, 39.04, 280.10°)
OKLab	oklab(58.61% -0.0147 -0.1085)
OKLCH	oklch(58.61% 0.109 262.3)
XYZ	xyz(20.2897, 19.9132, 50.9087)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BBD #BD9A58

analogous

#58AEBD #587BBD #6858BD

triadic

#587BBD #BD587B #7BBD58

tetradic

#587BBD #BD58AE #BD9A58 #58BD68

square

#587BBD #BD58AE #BD9A58 #58BD68

split-complementary

#587BBD #BD6858 #AEBD58

monochromatic

#2C436F #3D5E9B #587BBD #849ECE #B0C0E0

Accessibility & contrast

On white

4.21

#587BBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#587BBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BBD

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BBD	#FFFFFF	#000000	##000000
##587BBD	1.00	4.21	4.98	4.98
#FFFFFF	4.21	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)

#6180C0

Deuteranopia (green-blind)

#5577BC

Tritanopia (blue-blind)

#228993

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #587bbd;
/* rgb */ color: rgb(88, 123, 189);
/* oklch */ color: oklch(58.6% 0.109 262.3);

Tailwind

colors: {
  custom: {
    50: '#8ea0d1',
    500: '#587bbd',
    950: '#000000',
  },
}

SCSS

$custom: #587bbd;
$custom-light: #8ea0d1;
$custom-dark: #000000;

JSON

{
  "hex": "#587bbd",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 189
  },
  "hsl": {
    "h": 219.208,
    "s": 43.348,
    "l": 54.314
  },
  "oklch": {
    "l": 0.58606,
    "c": 0.10947,
    "h": 262.3
  },
  "luminance": 0.19915
}

Semantic roles & 50–950 ramp

primary

#587BBD

secondary

#CEBFA3

accent

#A755D3

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E14

muted

#7E7E82

Preview Lab

Preview with #587BBD

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

Preview Lab → · Contrast checker → · Palette generator →