#388CB3#388CB3

#388CB3 is a mid, moderate cyan. Relative luminance 0.229; OKLCH L 60.6% C 0.099 H 231.9°. Best body text is #000000 at 5.57:1 contrast (WCAG AA passes).

Color values

HEX	#388CB3
RGB	rgb(56, 140, 179)
HSL	hsl(199, 52%, 46%)
HSV	hsv(199, 69%, 70%)
CMYK	cmyk(68.7%, 21.8%, 0%, 29.8%)
CIE-LAB	lab(54.92, -12.59, -27.84)
CIE-LCH	lch(54.92, 30.56, 245.66°)
OKLab	oklab(60.59% -0.0613 -0.0781)
OKLCH	oklch(60.59% 0.099 231.9)
XYZ	xyz(19.1424, 22.8495, 46.0406)
Luminance	0.2285 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#388CB3 #B35F38

analogous

#38B39C #388CB3 #384FB3

triadic

#388CB3 #B3388C #8CB338

tetradic

#388CB3 #9C38B3 #B35F38 #4FB338

square

#388CB3 #9C38B3 #B35F38 #4FB338

split-complementary

#388CB3 #B3384F #B39C38

monochromatic

#1B4356 #296884 #388CB3 #5CA9CC #8BC1DB

Accessibility & contrast

On white

3.77

#388CB3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.57

#388CB3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #388CB3

5.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##388CB3	#FFFFFF	#000000	##000000
##388CB3	1.00	3.77	5.57	5.57
#FFFFFF	3.77	1.00	21.00	21.00
#000000	5.57	21.00	1.00	1.00
##000000	5.57	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#798AB5

Deuteranopia (green-blind)

#687EB2

Tritanopia (blue-blind)

#009799

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #388cb3;
/* rgb */ color: rgb(56, 140, 179);
/* oklch */ color: oklch(60.6% 0.099 231.9);

Tailwind

colors: {
  custom: {
    50: '#7dadca',
    500: '#388cb3',
    950: '#000000',
  },
}

SCSS

$custom: #388cb3;
$custom-light: #7dadca;
$custom-dark: #000000;

JSON

{
  "hex": "#388cb3",
  "rgb": {
    "r": 56,
    "g": 140,
    "b": 179
  },
  "hsl": {
    "h": 199.024,
    "s": 52.34,
    "l": 46.078
  },
  "oklch": {
    "l": 0.60591,
    "c": 0.09927,
    "h": 231.9
  },
  "luminance": 0.22852
}

Semantic roles & 50–950 ramp

primary

#388CB3

secondary

#C59782

accent

#7A4CDC

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #388CB3

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

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