#4087CF#4087CF

#4087CF is a mid, vivid cyan. Relative luminance 0.229; OKLCH L 61.1% C 0.131 H 251.1°. Best body text is #000000 at 5.58:1 contrast (WCAG AA passes).

Color values

HEX	#4087CF
RGB	rgb(64, 135, 207)
HSL	hsl(210, 60%, 53%)
HSV	hsv(210, 69%, 81%)
CMYK	cmyk(69.1%, 34.8%, 0%, 18.8%)
CIE-LAB	lab(54.99, 1.17, -43.62)
CIE-LCH	lch(54.99, 43.64, 271.54°)
OKLab	oklab(61.15% -0.0424 -0.1238)
OKLCH	oklch(61.15% 0.131 251.1)
XYZ	xyz(22.0366, 22.9206, 62.2821)
Luminance	0.2292 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087CF #CF8840

analogous

#40CECF #4087CF #4040CF

triadic

#4087CF #CF4087 #87CF40

tetradic

#4087CF #CF40CE #CF8840 #40CF40

square

#4087CF #CF40CE #CF8840 #40CF40

split-complementary

#4087CF #CF4040 #CECF40

monochromatic

#1E4A77 #2A68A8 #4087CF #71A6DB #A2C4E8

Accessibility & contrast

On white

3.76

#4087CF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.58

#4087CF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087CF

5.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087CF	#FFFFFF	#000000	##000000
##4087CF	1.00	3.76	5.58	5.58
#FFFFFF	3.76	1.00	21.00	21.00
#000000	5.58	21.00	1.00	1.00
##000000	5.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#678BD2

Deuteranopia (green-blind)

#527ECE

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4087cf;
/* rgb */ color: rgb(64, 135, 207);
/* oklch */ color: oklch(61.1% 0.131 251.1);

Tailwind

colors: {
  custom: {
    50: '#85a9de',
    500: '#4087cf',
    950: '#000000',
  },
}

SCSS

$custom: #4087cf;
$custom-light: #85a9de;
$custom-dark: #000000;

JSON

{
  "hex": "#4087cf",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 207
  },
  "hsl": {
    "h": 210.21,
    "s": 59.833,
    "l": 53.137
  },
  "oklch": {
    "l": 0.61146,
    "c": 0.13091,
    "h": 251.1
  },
  "luminance": 0.22923
}

Semantic roles & 50–950 ramp

primary

#4087CF

secondary

#D4B697

accent

#9445E3

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4087CF

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

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