#3788BF#3788BF

#3788BF is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.2% C 0.114 H 242.0°. Best body text is #000000 at 5.44:1 contrast (WCAG AA passes).

Color values

HEX	#3788BF
RGB	rgb(55, 136, 191)
HSL	hsl(204, 55%, 48%)
HSV	hsv(204, 71%, 75%)
CMYK	cmyk(71.2%, 28.8%, 0%, 25.1%)
CIE-LAB	lab(54.22, -6.36, -35.78)
CIE-LCH	lch(54.22, 36.35, 259.92°)
OKLab	oklab(60.2% -0.0537 -0.1011)
OKLCH	oklch(60.2% 0.114 242)
XYZ	xyz(19.7800, 22.1799, 52.5188)
Luminance	0.2218 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3788BF #BF6E37

analogous

#37BFB2 #3788BF #3744BF

triadic

#3788BF #BF3788 #88BF37

tetradic

#3788BF #B237BF #BF6E37 #44BF37

square

#3788BF #B237BF #BF6E37 #44BF37

split-complementary

#3788BF #BF3744 #BFB237

monochromatic

#1C4460 #29668F #3788BF #62A4D2 #91C0DF

Accessibility & contrast

On white

3.86

#3788BF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.44

#3788BF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3788BF

5.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3788BF	#FFFFFF	#000000	##000000
##3788BF	1.00	3.86	5.44	5.44
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.44	21.00	1.00	1.00
##000000	5.44	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F89C1

Deuteranopia (green-blind)

#5C7CBE

Tritanopia (blue-blind)

#00969B

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3788bf;
/* rgb */ color: rgb(55, 136, 191);
/* oklch */ color: oklch(60.2% 0.114 242.0);

Tailwind

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

SCSS

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

JSON

{
  "hex": "#3788bf",
  "rgb": {
    "r": 55,
    "g": 136,
    "b": 191
  },
  "hsl": {
    "h": 204.265,
    "s": 55.285,
    "l": 48.235
  },
  "oklch": {
    "l": 0.60202,
    "c": 0.11448,
    "h": 242
  },
  "luminance": 0.22182
}

Semantic roles & 50–950 ramp

primary

#3788BF

secondary

#CAA388

accent

#8649DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3788BF

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

Preview Lab → · Contrast checker → · Palette generator →