#378EBD#378EBD

#378EBD is a mid, moderate cyan. Relative luminance 0.238; OKLCH L 61.5% C 0.108 H 236.2°. Best body text is #000000 at 5.77:1 contrast (WCAG AA passes).

Color values

HEX	#378EBD
RGB	rgb(55, 142, 189)
HSL	hsl(201, 55%, 48%)
HSV	hsv(201, 71%, 74%)
CMYK	cmyk(70.9%, 24.9%, 0%, 25.9%)
CIE-LAB	lab(55.92, -10.48, -31.99)
CIE-LCH	lch(55.92, 33.66, 251.87°)
OKLab	oklab(61.52% -0.0603 -0.09)
OKLCH	oklch(61.52% 0.108 236.2)
XYZ	xyz(20.4302, 23.8301, 51.6572)
Luminance	0.2383 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378EBD #BD6637

analogous

#37BDA9 #378EBD #374BBD

triadic

#378EBD #BD378E #8EBD37

tetradic

#378EBD #A937BD #BD6637 #4BBD37

square

#378EBD #A937BD #BD6637 #4BBD37

split-complementary

#378EBD #BD374B #BDA937

monochromatic

#1B475E #296A8E #378EBD #60A9D1 #90C3DF

Accessibility & contrast

On white

3.64

#378EBD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.77

#378EBD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378EBD

5.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378EBD	#FFFFFF	#000000	##000000
##378EBD	1.00	3.64	5.77	5.77
#FFFFFF	3.64	1.00	21.00	21.00
#000000	5.77	21.00	1.00	1.00
##000000	5.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788DBF

Deuteranopia (green-blind)

#6580BC

Tritanopia (blue-blind)

#009A9E

Achromatopsia (no color)

#868686

Design tokens & code

CSS

--color: #378ebd;
/* rgb */ color: rgb(55, 142, 189);
/* oklch */ color: oklch(61.5% 0.108 236.2);

Tailwind

colors: {
  custom: {
    50: '#7eafd1',
    500: '#378ebd',
    950: '#000000',
  },
}

SCSS

$custom: #378ebd;
$custom-light: #7eafd1;
$custom-dark: #000000;

JSON

{
  "hex": "#378ebd",
  "rgb": {
    "r": 55,
    "g": 142,
    "b": 189
  },
  "hsl": {
    "h": 201.045,
    "s": 54.918,
    "l": 47.843
  },
  "oklch": {
    "l": 0.6152,
    "c": 0.1084,
    "h": 236.2
  },
  "luminance": 0.23832
}

Semantic roles & 50–950 ramp

primary

#378EBD

secondary

#C99E86

accent

#7E4ADE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378EBD

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

Preview Lab → · Contrast checker → · Palette generator →