#3788C4#3788C4

#3788C4 is a mid, vivid cyan. Relative luminance 0.224; OKLCH L 60.5% C 0.120 H 244.3°. Best body text is #000000 at 5.48:1 contrast (WCAG AA passes).

Color values

HEX	#3788C4
RGB	rgb(55, 136, 196)
HSL	hsl(206, 56%, 49%)
HSV	hsv(206, 72%, 77%)
CMYK	cmyk(71.9%, 30.6%, 0%, 23.1%)
CIE-LAB	lab(54.45, -4.61, -38.26)
CIE-LCH	lch(54.45, 38.54, 263.13°)
OKLab	oklab(60.47% -0.0521 -0.1083)
OKLCH	oklch(60.47% 0.12 244.3)
XYZ	xyz(20.3397, 22.4038, 55.4663)
Luminance	0.2241 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3788C4 #C47337

analogous

#37C4BA #3788C4 #3742C4

triadic

#3788C4 #C43788 #88C437

tetradic

#3788C4 #BA37C4 #C47337 #42C437

square

#3788C4 #BA37C4 #C47337 #42C437

split-complementary

#3788C4 #C43742 #C4BA37

monochromatic

#1C4664 #2A6794 #3788C4 #65A4D4 #94C0E1

Accessibility & contrast

On white

3.83

#3788C4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.48

#3788C4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3788C4

5.48:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3788C4	#FFFFFF	#000000	##000000
##3788C4	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)

#6D8AC7

Deuteranopia (green-blind)

#597CC3

Tritanopia (blue-blind)

#00979D

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3788c4;
/* rgb */ color: rgb(55, 136, 196);
/* oklch */ color: oklch(60.5% 0.120 244.3);

Tailwind

colors: {
  custom: {
    50: '#7faad6',
    500: '#3788c4',
    950: '#000000',
  },
}

SCSS

$custom: #3788c4;
$custom-light: #7faad6;
$custom-dark: #000000;

JSON

{
  "hex": "#3788c4",
  "rgb": {
    "r": 55,
    "g": 136,
    "b": 196
  },
  "hsl": {
    "h": 205.532,
    "s": 56.175,
    "l": 49.216
  },
  "oklch": {
    "l": 0.60465,
    "c": 0.12019,
    "h": 244.3
  },
  "luminance": 0.22406
}

Semantic roles & 50–950 ramp

primary

#3788C4

secondary

#CCA78B

accent

#8948DF

background

#F8FAFD

surface

#F0F4FA

border

#CBCED3

text

#0B1014

muted

#7C7F83

Preview Lab

Preview with #3788C4

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

Preview Lab → · Contrast checker → · Palette generator →