#4388BB#4388BB

#4388BB is a mid, moderate cyan. Relative luminance 0.224; OKLCH L 60.4% C 0.105 H 243.1°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#4388BB
RGB	rgb(67, 136, 187)
HSL	hsl(206, 47%, 50%)
HSV	hsv(206, 64%, 73%)
CMYK	cmyk(64.2%, 27.3%, 0%, 26.7%)
CIE-LAB	lab(54.44, -5.79, -33.13)
CIE-LCH	lch(54.44, 33.63, 260.10°)
OKLab	oklab(60.43% -0.0473 -0.0933)
OKLCH	oklch(60.43% 0.105 243.1)
XYZ	xyz(20.0852, 22.3875, 50.2668)
Luminance	0.2239 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#4388BB #BB7643

analogous

#43BBB2 #4388BB #434CBB

triadic

#4388BB #BB4388 #88BB43

tetradic

#4388BB #B243BB #BB7643 #4CBB43

square

#4388BB #B243BB #BB7643 #4CBB43

split-complementary

#4388BB #BB434C #BBB243

monochromatic

#234661 #33678E #4388BB #70A5CC #9DC1DC

Accessibility & contrast

On white

3.83

#4388BB on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#4388BB on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #4388BB

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##4388BB	#FFFFFF	#000000	##000000
##4388BB	1.00	3.83	5.48	5.48
#FFFFFF	3.83	1.00	21.00	21.00
#000000	5.48	21.00	1.00	1.00
##000000	5.48	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7189BD

Deuteranopia (green-blind)

#617DBA

Tritanopia (blue-blind)

#00949A

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #4388bb;
/* rgb */ color: rgb(67, 136, 187);
/* oklch */ color: oklch(60.4% 0.105 243.1);

Tailwind

colors: {
  custom: {
    50: '#83aacf',
    500: '#4388bb',
    950: '#000000',
  },
}

SCSS

$custom: #4388bb;
$custom-light: #83aacf;
$custom-dark: #000000;

JSON

{
  "hex": "#4388bb",
  "rgb": {
    "r": 67,
    "g": 136,
    "b": 187
  },
  "hsl": {
    "h": 205.5,
    "s": 47.244,
    "l": 49.804
  },
  "oklch": {
    "l": 0.60427,
    "c": 0.10457,
    "h": 243.1
  },
  "luminance": 0.22389
}

Semantic roles & 50–950 ramp

primary

#4388BB

secondary

#C8A992

accent

#8A51D7

background

#F8FAFC

surface

#F0F4F9

border

#CBCED2

text

#0C1014

muted

#7D7F82

Preview Lab

Preview with #4388BB

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

Preview Lab → · Contrast checker → · Palette generator →