#587FBF#587FBF

#587FBF is a mid, moderate blue. Relative luminance 0.210; OKLCH L 59.6% C 0.108 H 259.9°. Best body text is #000000 at 5.20:1 contrast (WCAG AA passes).

Color values

HEX	#587FBF
RGB	rgb(88, 127, 191)
HSL	hsl(217, 45%, 55%)
HSV	hsv(217, 54%, 75%)
CMYK	cmyk(53.9%, 33.5%, 0%, 25.1%)
CIE-LAB	lab(52.96, 5.08, -37.66)
CIE-LCH	lch(52.96, 38.00, 277.69°)
OKLab	oklab(59.59% -0.0189 -0.1062)
OKLCH	oklch(59.59% 0.108 259.9)
XYZ	xyz(21.0146, 21.0134, 52.2287)
Luminance	0.2102 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FBF #BF9858

analogous

#58B2BF #587FBF #6558BF

triadic

#587FBF #BF587F #7FBF58

tetradic

#587FBF #BF58B2 #BF9858 #58BF65

square

#587FBF #BF58B2 #BF9858 #58BF65

split-complementary

#587FBF #BF6558 #B2BF58

monochromatic

#2B4671 #3C619D #587FBF #84A1D0 #B0C3E1

Accessibility & contrast

On white

4.04

#587FBF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.20

#587FBF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FBF

5.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FBF	#FFFFFF	#000000	##000000
##587FBF	1.00	4.04	5.20	5.20
#FFFFFF	4.04	1.00	21.00	21.00
#000000	5.20	21.00	1.00	1.00
##000000	5.20	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6684C2

Deuteranopia (green-blind)

#597ABE

Tritanopia (blue-blind)

#1E8D96

Achromatopsia (no color)

#7E7E7E

Design tokens & code

CSS

--color: #587fbf;
/* rgb */ color: rgb(88, 127, 191);
/* oklch */ color: oklch(59.6% 0.108 259.9);

Tailwind

colors: {
  custom: {
    50: '#8ea3d2',
    500: '#587fbf',
    950: '#000000',
  },
}

SCSS

$custom: #587fbf;
$custom-light: #8ea3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#587fbf",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 191
  },
  "hsl": {
    "h": 217.282,
    "s": 44.589,
    "l": 54.706
  },
  "oklch": {
    "l": 0.59591,
    "c": 0.10785,
    "h": 259.9
  },
  "luminance": 0.21015
}

Semantic roles & 50–950 ramp

primary

#587FBF

secondary

#CFBFA4

accent

#A454D4

background

#F9FAFC

surface

#F1F3F9

border

#CBCDD2

text

#0D0F14

muted

#7E7F82

Preview Lab

Preview with #587FBF

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

Preview Lab → · Contrast checker → · Palette generator →