#4387BC#4387BC

#4387BC is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.2% C 0.106 H 244.5°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#4387BC
RGB	rgb(67, 135, 188)
HSL	hsl(206, 47%, 50%)
HSV	hsv(206, 64%, 74%)
CMYK	cmyk(64.4%, 28.2%, 0%, 26.3%)
CIE-LAB	lab(54.19, -4.87, -34.09)
CIE-LCH	lch(54.19, 34.44, 261.87°)
OKLab	oklab(60.24% -0.0459 -0.0961)
OKLCH	oklch(60.24% 0.106 244.5)
XYZ	xyz(20.0524, 22.1501, 50.7858)
Luminance	0.2215 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387BC #BC7843

analogous

#43BCB5 #4387BC #434ABC

triadic

#4387BC #BC4387 #87BC43

tetradic

#4387BC #B543BC #BC7843 #4ABC43

square

#4387BC #B543BC #BC7843 #4ABC43

split-complementary

#4387BC #BC434A #BCB543

monochromatic

#234662 #33678F #4387BC #70A4CC #9DC1DC

Accessibility & contrast

On white

3.87

#4387BC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#4387BC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387BC

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387BC	#FFFFFF	#000000	##000000
##4387BC	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7088BE

Deuteranopia (green-blind)

#5F7CBB

Tritanopia (blue-blind)

#009499

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4387bc;
/* rgb */ color: rgb(67, 135, 188);
/* oklch */ color: oklch(60.2% 0.106 244.5);

Tailwind

colors: {
  custom: {
    50: '#83a9d0',
    500: '#4387bc',
    950: '#000000',
  },
}

SCSS

$custom: #4387bc;
$custom-light: #83a9d0;
$custom-dark: #000000;

JSON

{
  "hex": "#4387bc",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 188
  },
  "hsl": {
    "h": 206.281,
    "s": 47.451,
    "l": 50
  },
  "oklch": {
    "l": 0.60244,
    "c": 0.10647,
    "h": 244.5
  },
  "luminance": 0.22152
}

Semantic roles & 50–950 ramp

primary

#4387BC

secondary

#C9AA92

accent

#8C51D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C0F14

muted

#7D7F82

Preview Lab

Preview with #4387BC

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

Preview Lab → · Contrast checker → · Palette generator →