#4087DF#4087DF

#4087DF is a light, vivid cyan. Relative luminance 0.237; OKLCH L 62.1% C 0.151 H 255.3°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4087DF
RGB	rgb(64, 135, 223)
HSL	hsl(213, 71%, 56%)
HSV	hsv(213, 71%, 87%)
CMYK	cmyk(71.3%, 39.5%, 0%, 12.5%)
CIE-LAB	lab(55.83, 6.83, -51.29)
CIE-LCH	lch(55.83, 51.74, 277.58°)
OKLab	oklab(62.08% -0.0385 -0.1463)
OKLCH	oklch(62.08% 0.151 255.3)
XYZ	xyz(24.0927, 23.7430, 73.1108)
Luminance	0.2375 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087DF #DF9840

analogous

#40D6DF #4087DF #4940DF

triadic

#4087DF #DF4087 #87DF40

tetradic

#4087DF #DF40D6 #DF9840 #40DF49

square

#4087DF #DF40D6 #DF9840 #40DF49

split-complementary

#4087DF #DF4940 #D6DF40

monochromatic

#184C8D #2068C1 #4087DF #74A8E8 #A9C9F1

Accessibility & contrast

On white

3.65

#4087DF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#4087DF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087DF

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087DF	#FFFFFF	#000000	##000000
##4087DF	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E8EE3

Deuteranopia (green-blind)

#457FDD

Tritanopia (blue-blind)

#009CA8

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4087df;
/* rgb */ color: rgb(64, 135, 223);
/* oklch */ color: oklch(62.1% 0.151 255.3);

Tailwind

colors: {
  custom: {
    50: '#87a9e9',
    500: '#4087df',
    950: '#000000',
  },
}

SCSS

$custom: #4087df;
$custom-light: #87a9e9;
$custom-dark: #000000;

JSON

{
  "hex": "#4087df",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 223
  },
  "hsl": {
    "h": 213.208,
    "s": 71.3,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62075,
    "c": 0.15128,
    "h": 255.3
  },
  "luminance": 0.23746
}

Semantic roles & 50–950 ramp

primary

#4087DF

secondary

#DEC19D

accent

#9E3AEE

background

#F9FAFE

surface

#F1F4FD

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4087DF

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

Preview Lab → · Contrast checker → · Palette generator →