#378ABA#378ABA

#378ABA is a mid, moderate cyan. Relative luminance 0.225; OKLCH L 60.4% C 0.108 H 237.8°. Best body text is #000000 at 5.51:1 contrast (WCAG AA passes).

Color values

HEX	#378ABA
RGB	rgb(55, 138, 186)
HSL	hsl(202, 54%, 47%)
HSV	hsv(202, 70%, 73%)
CMYK	cmyk(70.4%, 25.8%, 0%, 27.1%)
CIE-LAB	lab(54.59, -9.24, -32.36)
CIE-LCH	lch(54.59, 33.65, 254.06°)
OKLab	oklab(60.42% -0.0573 -0.0911)
OKLCH	oklch(60.42% 0.108 237.8)
XYZ	xyz(19.5235, 22.5322, 49.7651)
Luminance	0.2253 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378ABA #BA6737

analogous

#37BAA9 #378ABA #3748BA

triadic

#378ABA #BA378A #8ABA37

tetradic

#378ABA #A937BA #BA6737 #48BA37

square

#378ABA #A937BA #BA6737 #48BA37

split-complementary

#378ABA #BA3748 #BAA937

monochromatic

#1B445C #29678B #378ABA #5FA6D0 #8EC0DE

Accessibility & contrast

On white

3.81

#378ABA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.51

#378ABA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378ABA

5.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378ABA	#FFFFFF	#000000	##000000
##378ABA	1.00	3.81	5.51	5.51
#FFFFFF	3.81	1.00	21.00	21.00
#000000	5.51	21.00	1.00	1.00
##000000	5.51	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#738ABC

Deuteranopia (green-blind)

#617DB9

Tritanopia (blue-blind)

#00969A

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378aba;
/* rgb */ color: rgb(55, 138, 186);
/* oklch */ color: oklch(60.4% 0.108 237.8);

Tailwind

colors: {
  custom: {
    50: '#7eaccf',
    500: '#378aba',
    950: '#000000',
  },
}

SCSS

$custom: #378aba;
$custom-light: #7eaccf;
$custom-dark: #000000;

JSON

{
  "hex": "#378aba",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 186
  },
  "hsl": {
    "h": 201.985,
    "s": 54.357,
    "l": 47.255
  },
  "oklch": {
    "l": 0.6042,
    "c": 0.10768,
    "h": 237.8
  },
  "luminance": 0.22534
}

Semantic roles & 50–950 ramp

primary

#378ABA

secondary

#C89D85

accent

#804ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #378ABA

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

Preview Lab → · Contrast checker → · Palette generator →