#378DA8#378DA8

#378DA8 is a mid, moderate cyan. Relative luminance 0.227; OKLCH L 60.3% C 0.091 H 222.2°. Best body text is #000000 at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#378DA8
RGB	rgb(55, 141, 168)
HSL	hsl(194, 51%, 44%)
HSV	hsv(194, 67%, 66%)
CMYK	cmyk(67.3%, 16.1%, 0%, 34.1%)
CIE-LAB	lab(54.75, -16.94, -21.81)
CIE-LCH	lch(54.75, 27.61, 232.15°)
OKLab	oklab(60.3% -0.0671 -0.0608)
OKLCH	oklch(60.3% 0.091 222.2)
XYZ	xyz(18.1654, 22.6872, 40.4599)
Luminance	0.2269 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378DA8 #A85237

analogous

#37A88A #378DA8 #3754A8

triadic

#378DA8 #A8378D #8DA837

tetradic

#378DA8 #8A37A8 #A85237 #54A837

square

#378DA8 #8A37A8 #A85237 #54A837

split-complementary

#378DA8 #A83754 #A88A37

monochromatic

#19404C #28667A #378DA8 #55ACC7 #83C2D6

Accessibility & contrast

On white

3.79

#378DA8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.54

#378DA8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378DA8

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378DA8	#FFFFFF	#000000	##000000
##378DA8	1.00	3.79	5.54	5.54
#FFFFFF	3.79	1.00	21.00	21.00
#000000	5.54	21.00	1.00	1.00
##000000	5.54	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D8AA9

Deuteranopia (green-blind)

#6D7EA8

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#838383

Design tokens & code

CSS

--color: #378da8;
/* rgb */ color: rgb(55, 141, 168);
/* oklch */ color: oklch(60.3% 0.091 222.2);

Tailwind

colors: {
  custom: {
    50: '#7baec2',
    500: '#378da8',
    950: '#000000',
  },
}

SCSS

$custom: #378da8;
$custom-light: #7baec2;
$custom-dark: #000000;

JSON

{
  "hex": "#378da8",
  "rgb": {
    "r": 55,
    "g": 141,
    "b": 168
  },
  "hsl": {
    "h": 194.336,
    "s": 50.673,
    "l": 43.725
  },
  "oklch": {
    "l": 0.60302,
    "c": 0.09055,
    "h": 222.2
  },
  "luminance": 0.22689
}

Semantic roles & 50–950 ramp

primary

#378DA8

secondary

#C08B7B

accent

#6F4EDA

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378DA8

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

Preview Lab → · Contrast checker → · Palette generator →