#4388D1#4388D1

#4388D1 is a mid, vivid cyan. Relative luminance 0.234; OKLCH L 61.6% C 0.131 H 251.9°. Best body text is #000000 at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#4388D1
RGB	rgb(67, 136, 209)
HSL	hsl(211, 61%, 54%)
HSV	hsv(211, 68%, 82%)
CMYK	cmyk(67.9%, 34.9%, 0%, 18%)
CIE-LAB	lab(55.48, 1.74, -43.96)
CIE-LCH	lch(55.48, 44.00, 272.27°)
OKLab	oklab(61.6% -0.0408 -0.1248)
OKLCH	oklch(61.6% 0.131 251.9)
XYZ	xyz(22.6233, 23.4027, 63.6341)
Luminance	0.2341 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4388D1 #D18C43

analogous

#43CFD1 #4388D1 #4543D1

triadic

#4388D1 #D14388 #88D143

tetradic

#4388D1 #D143CF #D18C43 #43D145

square

#4388D1 #D143CF #D18C43 #43D145

split-complementary

#4388D1 #D14543 #CFD143

monochromatic

#1E4B7B #2A6AAD #4388D1 #74A7DD #A5C6E9

Accessibility & contrast

On white

3.70

#4388D1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.68

#4388D1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4388D1

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4388D1	#FFFFFF	#000000	##000000
##4388D1	1.00	3.70	5.68	5.68
#FFFFFF	3.70	1.00	21.00	21.00
#000000	5.68	21.00	1.00	1.00
##000000	5.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#688CD4

Deuteranopia (green-blind)

#537FD0

Tritanopia (blue-blind)

#0099A3

Achromatopsia (no color)

#858585

Design tokens & code

CSS

--color: #4388d1;
/* rgb */ color: rgb(67, 136, 209);
/* oklch */ color: oklch(61.6% 0.131 251.9);

Tailwind

colors: {
  custom: {
    50: '#86aadf',
    500: '#4388d1',
    950: '#000000',
  },
}

SCSS

$custom: #4388d1;
$custom-light: #86aadf;
$custom-dark: #000000;

JSON

{
  "hex": "#4388d1",
  "rgb": {
    "r": 67,
    "g": 136,
    "b": 209
  },
  "hsl": {
    "h": 210.845,
    "s": 60.684,
    "l": 54.118
  },
  "oklch": {
    "l": 0.61596,
    "c": 0.1313,
    "h": 251.9
  },
  "luminance": 0.23405
}

Semantic roles & 50–950 ramp

primary

#4388D1

secondary

#D6B99A

accent

#9644E4

background

#F8FAFD

surface

#F0F4FB

border

#CBCED4

text

#0C1015

muted

#7D7F83

Preview Lab

Preview with #4388D1

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

Preview Lab → · Contrast checker → · Palette generator →