#4387B4#4387B4

#4387B4 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.8% C 0.097 H 240.1°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#4387B4
RGB	rgb(67, 135, 180)
HSL	hsl(204, 46%, 48%)
HSV	hsv(204, 63%, 71%)
CMYK	cmyk(62.8%, 25%, 0%, 29.4%)
CIE-LAB	lab(53.83, -7.54, -30.07)
CIE-LCH	lch(53.83, 31.01, 255.92°)
OKLab	oklab(59.85% -0.0485 -0.0844)
OKLCH	oklch(59.85% 0.097 240.1)
XYZ	xyz(19.2138, 21.8146, 46.3692)
Luminance	0.2182 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387B4 #B47043

analogous

#43B4A8 #4387B4 #434EB4

triadic

#4387B4 #B44387 #87B443

tetradic

#4387B4 #A843B4 #B47043 #4EB443

square

#4387B4 #A843B4 #B47043 #4EB443

split-complementary

#4387B4 #B4434E #B4A843

monochromatic

#22445B #326687 #4387B4 #6CA3C8 #99BFD9

Accessibility & contrast

On white

3.92

#4387B4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#4387B4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387B4

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387B4	#FFFFFF	#000000	##000000
##4387B4	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7387B6

Deuteranopia (green-blind)

#637CB3

Tritanopia (blue-blind)

#009296

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #4387b4;
/* rgb */ color: rgb(67, 135, 180);
/* oklch */ color: oklch(59.8% 0.097 240.1);

Tailwind

colors: {
  custom: {
    50: '#82a9ca',
    500: '#4387b4',
    950: '#000000',
  },
}

SCSS

$custom: #4387b4;
$custom-light: #82a9ca;
$custom-dark: #000000;

JSON

{
  "hex": "#4387b4",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 180
  },
  "hsl": {
    "h": 203.894,
    "s": 45.749,
    "l": 48.431
  },
  "oklch": {
    "l": 0.59846,
    "c": 0.09739,
    "h": 240.1
  },
  "luminance": 0.21817
}

Semantic roles & 50–950 ramp

primary

#4387B4

secondary

#C5A48E

accent

#8752D5

background

#F8FAFC

surface

#F0F4F8

border

#CBCED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #4387B4

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

Preview Lab → · Contrast checker → · Palette generator →