#378DA9#378DA9

#378DA9 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.3% C 0.091 H 223.1°. Best body text is #000000 at 5.55:1 contrast (WCAG AA passes).

Color values

HEX	#378DA9
RGB	rgb(55, 141, 169)
HSL	hsl(195, 51%, 44%)
HSV	hsv(195, 67%, 66%)
CMYK	cmyk(67.5%, 16.6%, 0%, 33.7%)
CIE-LAB	lab(54.79, -16.62, -22.32)
CIE-LCH	lch(54.79, 27.83, 233.33°)
OKLab	oklab(60.35% -0.0667 -0.0623)
OKLCH	oklch(60.35% 0.091 223.1)
XYZ	xyz(18.2590, 22.7246, 40.9524)
Luminance	0.2273 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DA9 #A95337

analogous

#37A98C #378DA9 #3754A9

triadic

#378DA9 #A9378D #8DA937

tetradic

#378DA9 #8C37A9 #A95337 #54A937

square

#378DA9 #8C37A9 #A95337 #54A937

split-complementary

#378DA9 #A93754 #A98C37

monochromatic

#19404D #28667B #378DA9 #55ACC8 #84C2D7

Accessibility & contrast

On white

3.79

#378DA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.55

#378DA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DA9

5.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DA9	#FFFFFF	#000000	##000000
##378DA9	1.00	3.79	5.55	5.55
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.55	21.00	1.00	1.00
##000000	5.55	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AAA

Deuteranopia (green-blind)

#6D7EA9

Tritanopia (blue-blind)

#009696

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378da9;
/* rgb */ color: rgb(55, 141, 169);
/* oklch */ color: oklch(60.3% 0.091 223.1);

Tailwind

colors: {
  custom: {
    50: '#7baec2',
    500: '#378da9',
    950: '#000000',
  },
}

SCSS

$custom: #378da9;
$custom-light: #7baec2;
$custom-dark: #000000;

JSON

{
  "hex": "#378da9",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 169
  },
  "hsl": {
    "h": 194.737,
    "s": 50.893,
    "l": 43.922
  },
  "oklch": {
    "l": 0.60346,
    "c": 0.09125,
    "h": 223.1
  },
  "luminance": 0.22727
}

Semantic roles & 50–950 ramp

primary

#378DA9

secondary

#C08C7B

accent

#704DDA

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378DA9

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

Preview Lab → · Contrast checker → · Palette generator →