#3788BE#3788BE

#3788BE is a mid, moderate cyan. Relative luminance 0.221; OKLCH L 60.2% C 0.113 H 241.5°. Best body text is #000000 at 5.43:1 contrast (WCAG AA passes).

Color values

HEX	#3788BE
RGB	rgb(55, 136, 190)
HSL	hsl(204, 55%, 48%)
HSV	hsv(204, 71%, 75%)
CMYK	cmyk(71.1%, 28.4%, 0%, 25.5%)
CIE-LAB	lab(54.17, -6.71, -35.29)
CIE-LCH	lch(54.17, 35.92, 259.23°)
OKLab	oklab(60.15% -0.054 -0.0996)
OKLCH	oklch(60.15% 0.113 241.5)
XYZ	xyz(19.6704, 22.1361, 51.9412)
Luminance	0.2214 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3788BE #BE6D37

analogous

#37BEB0 #3788BE #3744BE

triadic

#3788BE #BE3788 #88BE37

tetradic

#3788BE #B037BE #BE6D37 #44BE37

square

#3788BE #B037BE #BE6D37 #44BE37

split-complementary

#3788BE #BE3744 #BEB037

monochromatic

#1C445F #29668F #3788BE #61A4D1 #90C0DF

Accessibility & contrast

On white

3.87

#3788BE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.43

#3788BE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3788BE

5.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3788BE	#FFFFFF	#000000	##000000
##3788BE	1.00	3.87	5.43	5.43
#FFFFFF	3.87	1.00	21.00	21.00
#000000	5.43	21.00	1.00	1.00
##000000	5.43	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F89C0

Deuteranopia (green-blind)

#5D7CBD

Tritanopia (blue-blind)

#00959B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3788be;
/* rgb */ color: rgb(55, 136, 190);
/* oklch */ color: oklch(60.2% 0.113 241.5);

Tailwind

colors: {
  custom: {
    50: '#7eaad2',
    500: '#3788be',
    950: '#000000',
  },
}

SCSS

$custom: #3788be;
$custom-light: #7eaad2;
$custom-dark: #000000;

JSON

{
  "hex": "#3788be",
  "rgb": {
    "r": 55,
    "g": 136,
    "b": 190
  },
  "hsl": {
    "h": 204,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.6015,
    "c": 0.11336,
    "h": 241.5
  },
  "luminance": 0.22138
}

Semantic roles & 50–950 ramp

primary

#3788BE

secondary

#CAA287

accent

#8549DE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3788BE

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

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