#4087DD#4087DD

#4087DD is a mid, vivid cyan. Relative luminance 0.236; OKLCH L 62.0% C 0.149 H 254.8°. Best body text is #000000 at 5.73:1 contrast (WCAG AA passes).

Color values

HEX	#4087DD
RGB	rgb(64, 135, 221)
HSL	hsl(213, 70%, 56%)
HSV	hsv(213, 71%, 87%)
CMYK	cmyk(71%, 38.9%, 0%, 13.3%)
CIE-LAB	lab(55.72, 6.11, -50.34)
CIE-LCH	lch(55.72, 50.71, 276.93°)
OKLab	oklab(61.96% -0.039 -0.1435)
OKLCH	oklch(61.96% 0.149 254.8)
XYZ	xyz(23.8247, 23.6358, 71.6991)
Luminance	0.2364 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087DD #DD9640

analogous

#40D6DD #4087DD #4740DD

triadic

#4087DD #DD4087 #87DD40

tetradic

#4087DD #DD40D6 #DD9640 #40DD47

square

#4087DD #DD40D6 #DD9640 #40DD47

split-complementary

#4087DD #DD4740 #D6DD40

monochromatic

#194C8A #2268BE #4087DD #74A8E6 #A8C8EF

Accessibility & contrast

On white

3.67

#4087DD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.73

#4087DD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087DD

5.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087DD	#FFFFFF	#000000	##000000
##4087DD	1.00	3.67	5.73	5.73
#FFFFFF	3.67	1.00	21.00	21.00
#000000	5.73	21.00	1.00	1.00
##000000	5.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F8DE0

Deuteranopia (green-blind)

#477FDB

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4087dd;
/* rgb */ color: rgb(64, 135, 221);
/* oklch */ color: oklch(62.0% 0.149 254.8);

Tailwind

colors: {
  custom: {
    50: '#87a9e8',
    500: '#4087dd',
    950: '#000000',
  },
}

SCSS

$custom: #4087dd;
$custom-light: #87a9e8;
$custom-dark: #000000;

JSON

{
  "hex": "#4087dd",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 221
  },
  "hsl": {
    "h": 212.866,
    "s": 69.778,
    "l": 55.882
  },
  "oklch": {
    "l": 0.61956,
    "c": 0.14871,
    "h": 254.8
  },
  "luminance": 0.23638
}

Semantic roles & 50–950 ramp

primary

#4087DD

secondary

#DDC09C

accent

#9C3BED

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4087DD

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

Preview Lab → · Contrast checker → · Palette generator →