#4087B1#4087B1

#4087B1 is a mid, moderate cyan. Relative luminance 0.216; OKLCH L 59.6% C 0.096 H 237.4°. Best body text is #000000 at 5.32:1 contrast (WCAG AA passes).

Color values

HEX	#4087B1
RGB	rgb(64, 135, 177)
HSL	hsl(202, 47%, 47%)
HSV	hsv(202, 64%, 69%)
CMYK	cmyk(63.8%, 23.7%, 0%, 30.6%)
CIE-LAB	lab(53.59, -9.09, -28.74)
CIE-LCH	lch(53.59, 30.14, 252.44°)
OKLab	oklab(59.58% -0.0516 -0.0806)
OKLCH	oklch(59.58% 0.096 237.4)
XYZ	xyz(18.7111, 21.5904, 44.7677)
Luminance	0.2159 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4087B1 #B16A40

analogous

#40B1A3 #4087B1 #404EB1

triadic

#4087B1 #B14087 #87B140

tetradic

#4087B1 #A340B1 #B16A40 #4EB140

square

#4087B1 #A340B1 #B16A40 #4EB140

split-complementary

#4087B1 #B1404E #B1A340

monochromatic

#1F4257 #306584 #4087B1 #66A4C8 #93BFD8

Accessibility & contrast

On white

3.95

#4087B1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.32

#4087B1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4087B1

5.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4087B1	#FFFFFF	#000000	##000000
##4087B1	1.00	3.95	5.32	5.32
#FFFFFF	3.95	1.00	21.00	21.00
#000000	5.32	21.00	1.00	1.00
##000000	5.32	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7386B3

Deuteranopia (green-blind)

#647BB0

Tritanopia (blue-blind)

#009295

Achromatopsia (no color)

#808080

Design tokens & code

CSS

--color: #4087b1;
/* rgb */ color: rgb(64, 135, 177);
/* oklch */ color: oklch(59.6% 0.096 237.4);

Tailwind

colors: {
  custom: {
    50: '#80a9c8',
    500: '#4087b1',
    950: '#000000',
  },
}

SCSS

$custom: #4087b1;
$custom-light: #80a9c8;
$custom-dark: #000000;

JSON

{
  "hex": "#4087b1",
  "rgb": {
    "r": 64,
    "g": 135,
    "b": 177
  },
  "hsl": {
    "h": 202.301,
    "s": 46.888,
    "l": 47.255
  },
  "oklch": {
    "l": 0.59582,
    "c": 0.09574,
    "h": 237.4
  },
  "luminance": 0.21592
}

Semantic roles & 50–950 ramp

primary

#4087B1

secondary

#C39F89

accent

#8351D7

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4087B1

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

Preview Lab → · Contrast checker → · Palette generator →