#4087D9#4087D9

#4087D9 is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.7% C 0.144 H 253.9°. Best body text is #000000 at 5.69:1 contrast (WCAG AA passes).

Color values

HEX	#4087D9
RGB	rgb(64, 135, 217)
HSL	hsl(212, 67%, 55%)
HSV	hsv(212, 71%, 85%)
CMYK	cmyk(70.5%, 37.8%, 0%, 14.9%)
CIE-LAB	lab(55.51, 4.70, -48.44)
CIE-LCH	lch(55.51, 48.66, 275.54°)
OKLab	oklab(61.72% -0.0399 -0.1379)
OKLCH	oklch(61.72% 0.144 253.9)
XYZ	xyz(23.2981, 23.4252, 68.9258)
Luminance	0.2343 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087D9 #D99240

analogous

#40D3D9 #4087D9 #4640D9

triadic

#4087D9 #D94087 #87D940

tetradic

#4087D9 #D940D3 #D99240 #40D946

square

#4087D9 #D940D3 #D99240 #40D946

split-complementary

#4087D9 #D94640 #D3D940

monochromatic

#1A4B84 #2469B7 #4087D9 #73A7E3 #A6C7ED

Accessibility & contrast

On white

3.69

#4087D9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.69

#4087D9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087D9

5.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087D9	#FFFFFF	#000000	##000000
##4087D9	1.00	3.69	5.69	5.69
#FFFFFF	3.69	1.00	21.00	21.00
#000000	5.69	21.00	1.00	1.00
##000000	5.69	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#618DDC

Deuteranopia (green-blind)

#4A7ED7

Tritanopia (blue-blind)

#009AA5

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4087d9;
/* rgb */ color: rgb(64, 135, 217);
/* oklch */ color: oklch(61.7% 0.144 253.9);

Tailwind

colors: {
  custom: {
    50: '#86a9e5',
    500: '#4087d9',
    950: '#000000',
  },
}

SCSS

$custom: #4087d9;
$custom-light: #86a9e5;
$custom-dark: #000000;

JSON

{
  "hex": "#4087d9",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 217
  },
  "hsl": {
    "h": 212.157,
    "s": 66.812,
    "l": 55.098
  },
  "oklch": {
    "l": 0.6172,
    "c": 0.14359,
    "h": 253.9
  },
  "luminance": 0.23428
}

Semantic roles & 50–950 ramp

primary

#4087D9

secondary

#DABD9A

accent

#9A3EEA

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F16

muted

#7D7F84

Preview Lab

Preview with #4087D9

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

Preview Lab → · Contrast checker → · Palette generator →