#4587B3#4587B3

#4587B3 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.9% C 0.095 H 240.1°. Best body text is #000000 at 5.37:1 contrast (WCAG AA passes).

Color values

HEX	#4587B3
RGB	rgb(69, 135, 179)
HSL	hsl(204, 44%, 49%)
HSV	hsv(204, 61%, 70%)
CMYK	cmyk(61.5%, 24.6%, 0%, 29.8%)
CIE-LAB	lab(53.86, -7.50, -29.44)
CIE-LCH	lch(53.86, 30.38, 255.72°)
OKLab	oklab(59.88% -0.0474 -0.0826)
OKLCH	oklch(59.88% 0.095 240.1)
XYZ	xyz(19.2518, 21.8460, 45.8412)
Luminance	0.2185 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4587B3 #B37145

analogous

#45B3A8 #4587B3 #4550B3

triadic

#4587B3 #B34587 #87B345

tetradic

#4587B3 #A845B3 #B37145 #50B345

square

#4587B3 #A845B3 #B37145 #50B345

split-complementary

#4587B3 #B34550 #B3A845

monochromatic

#23445B #346687 #4587B3 #6EA4C7 #9ABFD8

Accessibility & contrast

On white

3.91

#4587B3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.37

#4587B3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4587B3

5.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4587B3	#FFFFFF	#000000	##000000
##4587B3	1.00	3.91	5.37	5.37
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.37	21.00	1.00	1.00
##000000	5.37	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B5

Deuteranopia (green-blind)

#647CB2

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4587b3;
/* rgb */ color: rgb(69, 135, 179);
/* oklch */ color: oklch(59.9% 0.095 240.1);

Tailwind

colors: {
  custom: {
    50: '#83a9ca',
    500: '#4587b3',
    950: '#000000',
  },
}

SCSS

$custom: #4587b3;
$custom-light: #83a9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4587b3",
  "rgb": {
    "r": 69,
    "g": 135,
    "b": 179
  },
  "hsl": {
    "h": 204,
    "s": 44.355,
    "l": 48.627
  },
  "oklch": {
    "l": 0.59879,
    "c": 0.09525,
    "h": 240.1
  },
  "luminance": 0.21848
}

Semantic roles & 50–950 ramp

primary

#4587B3

secondary

#C4A58F

accent

#8754D4

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4587B3

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

Preview Lab → · Contrast checker → · Palette generator →