#4587B5#4587B5

#4587B5 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 60.0% C 0.097 H 241.3°. Best body text is #000000 at 5.39:1 contrast (WCAG AA passes).

Color values

HEX	#4587B5
RGB	rgb(69, 135, 181)
HSL	hsl(205, 45%, 49%)
HSV	hsv(205, 62%, 71%)
CMYK	cmyk(61.9%, 25.4%, 0%, 29%)
CIE-LAB	lab(53.95, -6.84, -30.45)
CIE-LCH	lch(53.95, 31.21, 257.35°)
OKLab	oklab(59.98% -0.0467 -0.0855)
OKLCH	oklch(59.98% 0.097 241.3)
XYZ	xyz(19.4556, 21.9275, 46.9142)
Luminance	0.2193 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4587B5 #B57345

analogous

#45B5AB #4587B5 #454FB5

triadic

#4587B5 #B54587 #87B545

tetradic

#4587B5 #AB45B5 #B57345 #4FB545

square

#4587B5 #AB45B5 #B57345 #4FB545

split-complementary

#4587B5 #B5454F #B5AB45

monochromatic

#23455C #346689 #4587B5 #6FA4C8 #9BC0D9

Accessibility & contrast

On white

3.90

#4587B5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.39

#4587B5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4587B5

5.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4587B5	#FFFFFF	#000000	##000000
##4587B5	1.00	3.90	5.39	5.39
#FFFFFF	3.90	1.00	21.00	21.00
#000000	5.39	21.00	1.00	1.00
##000000	5.39	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7287B7

Deuteranopia (green-blind)

#637CB4

Tritanopia (blue-blind)

#009297

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4587b5;
/* rgb */ color: rgb(69, 135, 181);
/* oklch */ color: oklch(60.0% 0.097 241.3);

Tailwind

colors: {
  custom: {
    50: '#83a9cb',
    500: '#4587b5',
    950: '#000000',
  },
}

SCSS

$custom: #4587b5;
$custom-light: #83a9cb;
$custom-dark: #000000;

JSON

{
  "hex": "#4587b5",
  "rgb": {
    "r": 69,
    "g": 135,
    "b": 181
  },
  "hsl": {
    "h": 204.643,
    "s": 44.8,
    "l": 49.02
  },
  "oklch": {
    "l": 0.59976,
    "c": 0.09747,
    "h": 241.3
  },
  "luminance": 0.21929
}

Semantic roles & 50–950 ramp

primary

#4587B5

secondary

#C5A691

accent

#8853D5

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4587B5

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

Preview Lab → · Contrast checker → · Palette generator →