#4388D8#4388D8

#4388D8 is a mid, vivid cyan. Relative luminance 0.238; OKLCH L 62.0% C 0.140 H 253.8°. Best body text is #000000 at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#4388D8
RGB	rgb(67, 136, 216)
HSL	hsl(212, 66%, 55%)
HSV	hsv(212, 69%, 85%)
CMYK	cmyk(69%, 37%, 0%, 15.3%)
CIE-LAB	lab(55.84, 4.19, -47.34)
CIE-LCH	lch(55.84, 47.52, 275.06°)
OKLab	oklab(61.99% -0.039 -0.1347)
OKLCH	oklch(61.99% 0.14 253.8)
XYZ	xyz(23.5090, 23.7570, 68.2990)
Luminance	0.2376 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4388D8 #D89343

analogous

#43D2D8 #4388D8 #4843D8

triadic

#4388D8 #D84388 #88D843

tetradic

#4388D8 #D843D2 #D89343 #43D848

square

#4388D8 #D843D2 #D89343 #43D848

split-complementary

#4388D8 #D84843 #D2D843

monochromatic

#1C4C85 #266AB8 #4388D8 #76A8E3 #A8C8ED

Accessibility & contrast

On white

3.65

#4388D8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.75

#4388D8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4388D8

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4388D8	#FFFFFF	#000000	##000000
##4388D8	1.00	3.65	5.75	5.75
#FFFFFF	3.65	1.00	21.00	21.00
#000000	5.75	21.00	1.00	1.00
##000000	5.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#648DDB

Deuteranopia (green-blind)

#4E7FD6

Tritanopia (blue-blind)

#009BA6

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #4388d8;
/* rgb */ color: rgb(67, 136, 216);
/* oklch */ color: oklch(62.0% 0.140 253.8);

Tailwind

colors: {
  custom: {
    50: '#87aae4',
    500: '#4388d8',
    950: '#000000',
  },
}

SCSS

$custom: #4388d8;
$custom-light: #87aae4;
$custom-dark: #000000;

JSON

{
  "hex": "#4388d8",
  "rgb": {
    "r": 67,
    "g": 136,
    "b": 216
  },
  "hsl": {
    "h": 212.215,
    "s": 65.639,
    "l": 55.49
  },
  "oklch": {
    "l": 0.61994,
    "c": 0.14021,
    "h": 253.8
  },
  "luminance": 0.23759
}

Semantic roles & 50–950 ramp

primary

#4388D8

secondary

#DABE9C

accent

#9A3FE9

background

#F8FAFE

surface

#F0F4FC

border

#CBCED5

text

#0D0F15

muted

#7D7F84

Preview Lab

Preview with #4388D8

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

Preview Lab → · Contrast checker → · Palette generator →