#3788C0#3788C0

#3788C0 is a mid, moderate cyan. Relative luminance 0.222; OKLCH L 60.3% C 0.116 H 242.5°. Best body text is #000000 at 5.45:1 contrast (WCAG AA passes).

Color values

HEX	#3788C0
RGB	rgb(55, 136, 192)
HSL	hsl(205, 55%, 48%)
HSV	hsv(205, 71%, 75%)
CMYK	cmyk(71.4%, 29.2%, 0%, 24.7%)
CIE-LAB	lab(54.26, -6.01, -36.28)
CIE-LCH	lch(54.26, 36.78, 260.59°)
OKLab	oklab(60.25% -0.0534 -0.1025)
OKLCH	oklch(60.25% 0.116 242.5)
XYZ	xyz(19.8905, 22.2241, 53.1004)
Luminance	0.2223 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3788C0 #C06F37

analogous

#37C0B4 #3788C0 #3743C0

triadic

#3788C0 #C03788 #88C037

tetradic

#3788C0 #B437C0 #C06F37 #43C037

square

#3788C0 #B437C0 #C06F37 #43C037

split-complementary

#3788C0 #C03743 #C0B437

monochromatic

#1C4561 #296690 #3788C0 #62A4D2 #92C0E0

Accessibility & contrast

On white

3.86

#3788C0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.45

#3788C0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #3788C0

5.45:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3788C0	#FFFFFF	#000000	##000000
##3788C0	1.00	3.86	5.45	5.45
#FFFFFF	3.86	1.00	21.00	21.00
#000000	5.45	21.00	1.00	1.00
##000000	5.45	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E89C2

Deuteranopia (green-blind)

#5B7CBF

Tritanopia (blue-blind)

#00969C

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #3788c0;
/* rgb */ color: rgb(55, 136, 192);
/* oklch */ color: oklch(60.3% 0.116 242.5);

Tailwind

colors: {
  custom: {
    50: '#7faad3',
    500: '#3788c0',
    950: '#000000',
  },
}

SCSS

$custom: #3788c0;
$custom-light: #7faad3;
$custom-dark: #000000;

JSON

{
  "hex": "#3788c0",
  "rgb": {
    "r": 55,
    "g": 136,
    "b": 192
  },
  "hsl": {
    "h": 204.526,
    "s": 55.466,
    "l": 48.431
  },
  "oklch": {
    "l": 0.60254,
    "c": 0.11561,
    "h": 242.5
  },
  "luminance": 0.22226
}

Semantic roles & 50–950 ramp

primary

#3788C0

secondary

#CBA388

accent

#8649DF

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #3788C0

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

Preview Lab → · Contrast checker → · Palette generator →