#587BB8#587BB8

#587BB8 is a mid, moderate blue. Relative luminance 0.197; OKLCH L 58.3% C 0.102 H 261.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#587BB8
RGB	rgb(88, 123, 184)
HSL	hsl(218, 40%, 53%)
HSV	hsv(218, 52%, 72%)
CMYK	cmyk(52.2%, 33.2%, 0%, 27.8%)
CIE-LAB	lab(51.50, 5.25, -35.95)
CIE-LCH	lch(51.50, 36.33, 278.31°)
OKLab	oklab(58.34% -0.016 -0.1012)
OKLCH	oklch(58.34% 0.103 261)
XYZ	xyz(19.7563, 19.6999, 48.0995)
Luminance	0.1970 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587BB8 #B89558

analogous

#58ABB8 #587BB8 #6558B8

triadic

#587BB8 #B8587B #7BB858

tetradic

#587BB8 #B858AB #B89558 #58B865

square

#587BB8 #B858AB #B89558 #58B865

split-complementary

#587BB8 #B86558 #ABB858

monochromatic

#2D4369 #3F5E94 #587BB8 #839DCA #AEBFDD

Accessibility & contrast

On white

4.25

#587BB8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#587BB8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587BB8

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587BB8	#FFFFFF	#000000	##000000
##587BB8	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6380BB

Deuteranopia (green-blind)

#5877B7

Tritanopia (blue-blind)

#288891

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #587bb8;
/* rgb */ color: rgb(88, 123, 184);
/* oklch */ color: oklch(58.3% 0.102 261.0);

Tailwind

colors: {
  custom: {
    50: '#8da0cd',
    500: '#587bb8',
    950: '#000000',
  },
}

SCSS

$custom: #587bb8;
$custom-light: #8da0cd;
$custom-dark: #000000;

JSON

{
  "hex": "#587bb8",
  "rgb": {
    "r": 88,
    "g": 123,
    "b": 184
  },
  "hsl": {
    "h": 218.125,
    "s": 40.336,
    "l": 53.333
  },
  "oklch": {
    "l": 0.58338,
    "c": 0.1025,
    "h": 261
  },
  "luminance": 0.19701
}

Semantic roles & 50–950 ramp

primary

#587BB8

secondary

#CBBBA1

accent

#A458D0

background

#F9F9FC

surface

#F1F2F9

border

#CBCCD2

text

#0D0E13

muted

#7E7E82

Preview Lab

Preview with #587BB8

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

Preview Lab → · Contrast checker → · Palette generator →