#378BAD#378BAD

#378BAD is a mid, moderate cyan. Relative luminance 0.223; OKLCH L 60.0% C 0.095 H 228.3°. Best body text is #000000 at 5.46:1 contrast (WCAG AA passes).

Color values

HEX	#378BAD
RGB	rgb(55, 139, 173)
HSL	hsl(197, 52%, 45%)
HSV	hsv(197, 68%, 68%)
CMYK	cmyk(68.2%, 19.7%, 0%, 32.2%)
CIE-LAB	lab(54.34, -14.20, -25.31)
CIE-LCH	lch(54.34, 29.02, 240.70°)
OKLab	oklab(60.04% -0.063 -0.0708)
OKLCH	oklch(60.04% 0.095 228.3)
XYZ	xyz(18.3480, 22.2926, 42.8630)
Luminance	0.2230 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378BAD #AD5937

analogous

#37AD94 #378BAD #3750AD

triadic

#378BAD #AD378B #8BAD37

tetradic

#378BAD #9437AD #AD5937 #50AD37

square

#378BAD #9437AD #AD5937 #50AD37

split-complementary

#378BAD #AD3750 #AD9437

monochromatic

#194050 #28667F #378BAD #57A9CA #86C1D8

Accessibility & contrast

On white

3.85

#378BAD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.46

#378BAD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378BAD

5.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378BAD	#FFFFFF	#000000	##000000
##378BAD	1.00	3.85	5.46	5.46
#FFFFFF	3.85	1.00	21.00	21.00
#000000	5.46	21.00	1.00	1.00
##000000	5.46	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7989AF

Deuteranopia (green-blind)

#697DAD

Tritanopia (blue-blind)

#009596

Achromatopsia (no color)

#828282

Design tokens & code

CSS

--color: #378bad;
/* rgb */ color: rgb(55, 139, 173);
/* oklch */ color: oklch(60.0% 0.095 228.3);

Tailwind

colors: {
  custom: {
    50: '#7cadc5',
    500: '#378bad',
    950: '#000000',
  },
}

SCSS

$custom: #378bad;
$custom-light: #7cadc5;
$custom-dark: #000000;

JSON

{
  "hex": "#378bad",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 173
  },
  "hsl": {
    "h": 197.288,
    "s": 51.754,
    "l": 44.706
  },
  "oklch": {
    "l": 0.60038,
    "c": 0.09482,
    "h": 228.3
  },
  "luminance": 0.22295
}

Semantic roles & 50–950 ramp

primary

#378BAD

secondary

#C2917D

accent

#764DDB

background

#F8FAFC

surface

#EFF4F8

border

#CACED1

text

#0B1013

muted

#7C7F82

Preview Lab

Preview with #378BAD

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

Preview Lab → · Contrast checker → · Palette generator →