#4387D1#4387D1

#4387D1 is a mid, vivid cyan. Relative luminance 0.231; OKLCH L 61.4% C 0.132 H 252.5°. Best body text is #000000 at 5.63:1 contrast (WCAG AA passes).

Color values

HEX	#4387D1
RGB	rgb(67, 135, 209)
HSL	hsl(211, 61%, 54%)
HSV	hsv(211, 68%, 82%)
CMYK	cmyk(67.9%, 35.4%, 0%, 18%)
CIE-LAB	lab(55.20, 2.34, -44.42)
CIE-LCH	lch(55.20, 44.48, 273.01°)
OKLab	oklab(61.37% -0.0398 -0.1261)
OKLCH	oklch(61.37% 0.132 252.5)
XYZ	xyz(22.4831, 23.1223, 63.5874)
Luminance	0.2313 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387D1 #D18D43

analogous

#43CED1 #4387D1 #4643D1

triadic

#4387D1 #D14387 #87D143

tetradic

#4387D1 #D143CE #D18D43 #43D146

square

#4387D1 #D143CE #D18D43 #43D146

split-complementary

#4387D1 #D14643 #CED143

monochromatic

#1E4B7B #2A69AD #4387D1 #74A6DD #A5C6E9

Accessibility & contrast

On white

3.73

#4387D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.63

#4387D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387D1

5.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387D1	#FFFFFF	#000000	##000000
##4387D1	1.00	3.73	5.63	5.63
#FFFFFF	3.73	1.00	21.00	21.00
#000000	5.63	21.00	1.00	1.00
##000000	5.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#668BD4

Deuteranopia (green-blind)

#527ED0

Tritanopia (blue-blind)

#0098A2

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #4387d1;
/* rgb */ color: rgb(67, 135, 209);
/* oklch */ color: oklch(61.4% 0.132 252.5);

Tailwind

colors: {
  custom: {
    50: '#86a9df',
    500: '#4387d1',
    950: '#000000',
  },
}

SCSS

$custom: #4387d1;
$custom-light: #86a9df;
$custom-dark: #000000;

JSON

{
  "hex": "#4387d1",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 209
  },
  "hsl": {
    "h": 211.268,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.61372,
    "c": 0.13228,
    "h": 252.5
  },
  "luminance": 0.23125
}

Semantic roles & 50–950 ramp

primary

#4387D1

secondary

#D6B99A

accent

#9744E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #4387D1

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

Preview Lab → · Contrast checker → · Palette generator →