#4387CE#4387CE

#4387CE is a mid, vivid cyan. Relative luminance 0.230; OKLCH L 61.2% C 0.128 H 251.6°. Best body text is #000000 at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#4387CE
RGB	rgb(67, 135, 206)
HSL	hsl(211, 59%, 54%)
HSV	hsv(211, 67%, 81%)
CMYK	cmyk(67.5%, 34.5%, 0%, 19.2%)
CIE-LAB	lab(55.05, 1.29, -42.96)
CIE-LCH	lch(55.05, 42.98, 271.73°)
OKLab	oklab(61.2% -0.0406 -0.1219)
OKLCH	oklch(61.2% 0.128 251.6)
XYZ	xyz(22.1152, 22.9752, 61.6497)
Luminance	0.2298 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387CE #CE8A43

analogous

#43CDCE #4387CE #4443CE

triadic

#4387CE #CE4387 #87CE43

tetradic

#4387CE #CE43CD #CE8A43 #43CE44

square

#4387CE #CE43CD #CE8A43 #43CE44

split-complementary

#4387CE #CE4443 #CDCE43

monochromatic

#1F4A77 #2C69A8 #4387CE #74A6DB #A4C5E7

Accessibility & contrast

On white

3.75

#4387CE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.60

#4387CE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387CE

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387CE	#FFFFFF	#000000	##000000
##4387CE	1.00	3.75	5.60	5.60
#FFFFFF	3.75	1.00	21.00	21.00
#000000	5.60	21.00	1.00	1.00
##000000	5.60	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688BD1

Deuteranopia (green-blind)

#547ECD

Tritanopia (blue-blind)

#0098A1

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4387ce;
/* rgb */ color: rgb(67, 135, 206);
/* oklch */ color: oklch(61.2% 0.128 251.6);

Tailwind

colors: {
  custom: {
    50: '#86a9dd',
    500: '#4387ce',
    950: '#000000',
  },
}

SCSS

$custom: #4387ce;
$custom-light: #86a9dd;
$custom-dark: #000000;

JSON

{
  "hex": "#4387ce",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 206
  },
  "hsl": {
    "h": 210.647,
    "s": 58.65,
    "l": 53.529
  },
  "oklch": {
    "l": 0.61204,
    "c": 0.12848,
    "h": 251.6
  },
  "luminance": 0.22977
}

Semantic roles & 50–950 ramp

primary

#4387CE

secondary

#D4B799

accent

#9646E2

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4387CE

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

Preview Lab → · Contrast checker → · Palette generator →