#4087B2#4087B2

#4087B2 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.6% C 0.097 H 238.0°. Best body text is #000000 at 5.33:1 contrast (WCAG AA passes).

Color values

HEX	#4087B2
RGB	rgb(64, 135, 178)
HSL	hsl(203, 47%, 47%)
HSV	hsv(203, 64%, 70%)
CMYK	cmyk(64%, 24.2%, 0%, 30.2%)
CIE-LAB	lab(53.63, -8.76, -29.24)
CIE-LCH	lch(53.63, 30.53, 253.33°)
OKLab	oklab(59.63% -0.0513 -0.0821)
OKLCH	oklch(59.63% 0.097 238)
XYZ	xyz(18.8111, 21.6304, 45.2946)
Luminance	0.2163 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087B2 #B26B40

analogous

#40B2A4 #4087B2 #404EB2

triadic

#4087B2 #B24087 #87B240

tetradic

#4087B2 #A440B2 #B26B40 #4EB240

square

#4087B2 #A440B2 #B26B40 #4EB240

split-complementary

#4087B2 #B2404E #B2A440

monochromatic

#204358 #306585 #4087B2 #67A4C8 #94BFD8

Accessibility & contrast

On white

3.94

#4087B2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.33

#4087B2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087B2

5.33:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087B2	#FFFFFF	#000000	##000000
##4087B2	1.00	3.94	5.33	5.33
#FFFFFF	3.94	1.00	21.00	21.00
#000000	5.33	21.00	1.00	1.00
##000000	5.33	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B4

Deuteranopia (green-blind)

#637BB1

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4087b2;
/* rgb */ color: rgb(64, 135, 178);
/* oklch */ color: oklch(59.6% 0.097 238.0);

Tailwind

colors: {
  custom: {
    50: '#80a9c9',
    500: '#4087b2',
    950: '#000000',
  },
}

SCSS

$custom: #4087b2;
$custom-light: #80a9c9;
$custom-dark: #000000;

JSON

{
  "hex": "#4087b2",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 178
  },
  "hsl": {
    "h": 202.632,
    "s": 47.107,
    "l": 47.451
  },
  "oklch": {
    "l": 0.5963,
    "c": 0.0968,
    "h": 238
  },
  "luminance": 0.21632
}

Semantic roles & 50–950 ramp

primary

#4087B2

secondary

#C4A08A

accent

#8351D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4087B2

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

Preview Lab → · Contrast checker → · Palette generator →