#4387C8#4387C8

#4387C8 is a mid, vivid cyan. Relative luminance 0.227; OKLCH L 60.9% C 0.121 H 249.5°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#4387C8
RGB	rgb(67, 135, 200)
HSL	hsl(209, 55%, 52%)
HSV	hsv(209, 67%, 78%)
CMYK	cmyk(66.5%, 32.5%, 0%, 21.6%)
CIE-LAB	lab(54.75, -0.78, -40.03)
CIE-LCH	lch(54.75, 40.04, 268.88°)
OKLab	oklab(60.88% -0.0423 -0.1133)
OKLCH	oklch(60.88% 0.121 249.5)
XYZ	xyz(21.4002, 22.6892, 57.8840)
Luminance	0.2269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387C8 #C88443

analogous

#43C8C6 #4387C8 #4345C8

triadic

#4387C8 #C84387 #87C843

tetradic

#4387C8 #C643C8 #C88443 #45C843

square

#4387C8 #C643C8 #C88443 #45C843

split-complementary

#4387C8 #C84345 #C8C643

monochromatic

#214970 #2F689F #4387C8 #72A5D6 #A2C3E4

Accessibility & contrast

On white

3.79

#4387C8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#4387C8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387C8

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387C8	#FFFFFF	#000000	##000000
##4387C8	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A8ACB

Deuteranopia (green-blind)

#587DC7

Tritanopia (blue-blind)

#00969E

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #4387c8;
/* rgb */ color: rgb(67, 135, 200);
/* oklch */ color: oklch(60.9% 0.121 249.5);

Tailwind

colors: {
  custom: {
    50: '#85a9d9',
    500: '#4387c8',
    950: '#000000',
  },
}

SCSS

$custom: #4387c8;
$custom-light: #85a9d9;
$custom-dark: #000000;

JSON

{
  "hex": "#4387c8",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 200
  },
  "hsl": {
    "h": 209.323,
    "s": 54.733,
    "l": 52.353
  },
  "oklch": {
    "l": 0.60875,
    "c": 0.12096,
    "h": 249.5
  },
  "luminance": 0.22691
}

Semantic roles & 50–950 ramp

primary

#4387C8

secondary

#D0B396

accent

#924ADE

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #4387C8

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

Preview Lab → · Contrast checker → · Palette generator →