#4087D2#4087D2

#4087D2 is a mid, vivid cyan. Relative luminance 0.231; OKLCH L 61.3% C 0.135 H 252.0°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#4087D2
RGB	rgb(64, 135, 210)
HSL	hsl(211, 62%, 54%)
HSV	hsv(211, 70%, 82%)
CMYK	cmyk(69.5%, 35.7%, 0%, 17.6%)
CIE-LAB	lab(55.14, 2.23, -45.08)
CIE-LCH	lch(55.14, 45.13, 272.83°)
OKLab	oklab(61.32% -0.0416 -0.1281)
OKLCH	oklch(61.32% 0.135 252)
XYZ	xyz(22.4069, 23.0687, 64.2321)
Luminance	0.2307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087D2 #D28B40

analogous

#40D0D2 #4087D2 #4240D2

triadic

#4087D2 #D24087 #87D240

tetradic

#4087D2 #D240D0 #D28B40 #40D242

square

#4087D2 #D240D0 #D28B40 #40D242

split-complementary

#4087D2 #D24240 #D0D240

monochromatic

#1D4B7B #2969AC #4087D2 #72A6DE #A3C5E9

Accessibility & contrast

On white

3.74

#4087D2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#4087D2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087D2

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087D2	#FFFFFF	#000000	##000000
##4087D2	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#658CD5

Deuteranopia (green-blind)

#507ED1

Tritanopia (blue-blind)

#0099A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4087d2;
/* rgb */ color: rgb(64, 135, 210);
/* oklch */ color: oklch(61.3% 0.135 252.0);

Tailwind

colors: {
  custom: {
    50: '#85a9e0',
    500: '#4087d2',
    950: '#000000',
  },
}

SCSS

$custom: #4087d2;
$custom-light: #85a9e0;
$custom-dark: #000000;

JSON

{
  "hex": "#4087d2",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 210
  },
  "hsl": {
    "h": 210.822,
    "s": 61.864,
    "l": 53.725
  },
  "oklch": {
    "l": 0.61316,
    "c": 0.13469,
    "h": 252
  },
  "luminance": 0.23071
}

Semantic roles & 50–950 ramp

primary

#4087D2

secondary

#D6B898

accent

#9643E5

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4087D2

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

Preview Lab → · Contrast checker → · Palette generator →