#4087D1#4087D1

#4087D1 is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.3% C 0.133 H 251.7°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#4087D1
RGB	rgb(64, 135, 209)
HSL	hsl(211, 61%, 54%)
HSV	hsv(211, 69%, 82%)
CMYK	cmyk(69.4%, 35.4%, 0%, 18%)
CIE-LAB	lab(55.09, 1.87, -44.59)
CIE-LCH	lch(55.09, 44.63, 272.41°)
OKLab	oklab(61.26% -0.0419 -0.1267)
OKLCH	oklch(61.26% 0.133 251.7)
XYZ	xyz(22.2827, 23.0190, 63.5780)
Luminance	0.2302 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087D1 #D18A40

analogous

#40CFD1 #4087D1 #4140D1

triadic

#4087D1 #D14087 #87D140

tetradic

#4087D1 #D140CF #D18A40 #40D141

square

#4087D1 #D140CF #D18A40 #40D141

split-complementary

#4087D1 #D14140 #CFD140

monochromatic

#1D4A79 #2969AB #4087D1 #71A6DD #A3C5E9

Accessibility & contrast

On white

3.75

#4087D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#4087D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087D1

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087D1	#FFFFFF	#000000	##000000
##4087D1	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668BD4

Deuteranopia (green-blind)

#517ED0

Tritanopia (blue-blind)

#0098A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4087d1;
/* rgb */ color: rgb(64, 135, 209);
/* oklch */ color: oklch(61.3% 0.133 251.7);

Tailwind

colors: {
  custom: {
    50: '#85a9df',
    500: '#4087d1',
    950: '#000000',
  },
}

SCSS

$custom: #4087d1;
$custom-light: #85a9df;
$custom-dark: #000000;

JSON

{
  "hex": "#4087d1",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 209
  },
  "hsl": {
    "h": 210.621,
    "s": 61.181,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61259,
    "c": 0.13343,
    "h": 251.7
  },
  "luminance": 0.23021
}

Semantic roles & 50–950 ramp

primary

#4087D1

secondary

#D5B797

accent

#9644E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4087D1

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

Preview Lab → · Contrast checker → · Palette generator →