#587FB3#587FB3

#587FB3 is a mid, moderate cyan. Relative luminance 0.205; OKLCH L 59.0% C 0.092 H 255.9°. Best body text is #000000 at 5.10:1 contrast (WCAG AA passes).

Color values

HEX	#587FB3
RGB	rgb(88, 127, 179)
HSL	hsl(214, 37%, 52%)
HSV	hsv(214, 51%, 70%)
CMYK	cmyk(50.8%, 29.1%, 0%, 29.8%)
CIE-LAB	lab(52.41, 1.29, -31.65)
CIE-LCH	lch(52.41, 31.67, 272.33°)
OKLab	oklab(58.97% -0.0223 -0.0888)
OKLCH	oklch(58.97% 0.092 255.9)
XYZ	xyz(19.7478, 20.5067, 45.5567)
Luminance	0.2051 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#587FB3 #B38C58

analogous

#58ADB3 #587FB3 #5F58B3

triadic

#587FB3 #B3587F #7FB358

tetradic

#587FB3 #B358AD #B38C58 #58B35F

square

#587FB3 #B358AD #B38C58 #58B35F

split-complementary

#587FB3 #B35F58 #ADB358

monochromatic

#2D4463 #40618D #587FB3 #829FC6 #ACBFD9

Accessibility & contrast

On white

4.12

#587FB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.10

#587FB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #587FB3

5.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##587FB3	#FFFFFF	#000000	##000000
##587FB3	1.00	4.12	5.10	5.10
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.10	21.00	1.00	1.00
##000000	5.10	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B82B5

Deuteranopia (green-blind)

#6079B2

Tritanopia (blue-blind)

#2C8B91

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #587fb3;
/* rgb */ color: rgb(88, 127, 179);
/* oklch */ color: oklch(59.0% 0.092 255.9);

Tailwind

colors: {
  custom: {
    50: '#8ca3ca',
    500: '#587fb3',
    950: '#000000',
  },
}

SCSS

$custom: #587fb3;
$custom-light: #8ca3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#587fb3",
  "rgb": {
    "r": 88,
    "g": 127,
    "b": 179
  },
  "hsl": {
    "h": 214.286,
    "s": 37.449,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58971,
    "c": 0.09151,
    "h": 255.9
  },
  "luminance": 0.20508
}

Semantic roles & 50–950 ramp

primary

#587FB3

secondary

#C7B6A0

accent

#9C5ACD

background

#F8FAFC

surface

#F0F3F8

border

#CBCDD1

text

#0C0F13

muted

#7D7F82

Preview Lab

Preview with #587FB3

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

Preview Lab → · Contrast checker → · Palette generator →