#4387DC#4387DC

#4387DC is a light, vivid cyan. Relative luminance 0.237; OKLCH L 62.0% C 0.146 H 255.3°. Best body text is #000000 at 5.74:1 contrast (WCAG AA passes).

Color values

HEX	#4387DC
RGB	rgb(67, 135, 220)
HSL	hsl(213, 69%, 56%)
HSV	hsv(213, 70%, 86%)
CMYK	cmyk(69.5%, 38.6%, 0%, 13.7%)
CIE-LAB	lab(55.77, 6.19, -49.69)
CIE-LCH	lch(55.77, 50.08, 277.10°)
OKLab	oklab(62.01% -0.0372 -0.1416)
OKLCH	oklch(62.01% 0.146 255.3)
XYZ	xyz(23.8922, 23.6860, 71.0090)
Luminance	0.2369 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4387DC #DC9843

analogous

#43D4DC #4387DC #4C43DC

triadic

#4387DC #DC4387 #87DC43

tetradic

#4387DC #DC43D4 #DC9843 #43DC4C

square

#4387DC #DC43D4 #DC9843 #43DC4C

split-complementary

#4387DC #DC4C43 #D4DC43

monochromatic

#1A4C8B #2368BE #4387DC #77A8E6 #AAC9EF

Accessibility & contrast

On white

3.66

#4387DC on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.74

#4387DC on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4387DC

5.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4387DC	#FFFFFF	#000000	##000000
##4387DC	1.00	3.66	5.74	5.74
#FFFFFF	3.66	1.00	21.00	21.00
#000000	5.74	21.00	1.00	1.00
##000000	5.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#608DDF

Deuteranopia (green-blind)

#497FDA

Tritanopia (blue-blind)

#009BA7

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4387dc;
/* rgb */ color: rgb(67, 135, 220);
/* oklch */ color: oklch(62.0% 0.146 255.3);

Tailwind

colors: {
  custom: {
    50: '#88a9e7',
    500: '#4387dc',
    950: '#000000',
  },
}

SCSS

$custom: #4387dc;
$custom-light: #88a9e7;
$custom-dark: #000000;

JSON

{
  "hex": "#4387dc",
  "rgb": {
    "r": 67,
    "g": 135,
    "b": 220
  },
  "hsl": {
    "h": 213.333,
    "s": 68.61,
    "l": 56.275
  },
  "oklch": {
    "l": 0.62007,
    "c": 0.14638,
    "h": 255.3
  },
  "luminance": 0.23689
}

Semantic roles & 50–950 ramp

primary

#4387DC

secondary

#DDC19E

accent

#9E3CEB

background

#F9FAFE

surface

#F1F4FC

border

#CBCED5

text

#0D0F16

muted

#7E7F84

Preview Lab

Preview with #4387DC

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

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