#378FBE#378FBE

#378FBE is a mid, moderate cyan. Relative luminance 0.242; OKLCH L 61.8% C 0.109 H 235.9°. Best body text is #000000 at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#378FBE
RGB	rgb(55, 143, 190)
HSL	hsl(201, 55%, 48%)
HSV	hsv(201, 71%, 75%)
CMYK	cmyk(71.1%, 24.7%, 0%, 25.5%)
CIE-LAB	lab(56.26, -10.70, -32.03)
CIE-LCH	lch(56.26, 33.76, 251.53°)
OKLab	oklab(61.81% -0.061 -0.0901)
OKLCH	oklch(61.81% 0.109 235.9)
XYZ	xyz(20.6886, 24.1725, 52.2806)
Luminance	0.2417 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378FBE #BE6637

analogous

#37BEA9 #378FBE #374BBE

triadic

#378FBE #BE378F #8FBE37

tetradic

#378FBE #A937BE #BE6637 #4BBE37

square

#378FBE #A937BE #BE6637 #4BBE37

split-complementary

#378FBE #BE374B #BEA937

monochromatic

#1C485F #296B8F #378FBE #61AAD1 #90C4DF

Accessibility & contrast

On white

3.60

#378FBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.84

#378FBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FBE

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378FBE	#FFFFFF	#000000	##000000
##378FBE	1.00	3.60	5.84	5.84
#FFFFFF	3.60	1.00	21.00	21.00
#000000	5.84	21.00	1.00	1.00
##000000	5.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#788EC0

Deuteranopia (green-blind)

#6681BD

Tritanopia (blue-blind)

#009B9F

Achromatopsia (no color)

#878787

Design tokens & code

CSS

--color: #378fbe;
/* rgb */ color: rgb(55, 143, 190);
/* oklch */ color: oklch(61.8% 0.109 235.9);

Tailwind

colors: {
  custom: {
    50: '#7fafd1',
    500: '#378fbe',
    950: '#000000',
  },
}

SCSS

$custom: #378fbe;
$custom-light: #7fafd1;
$custom-dark: #000000;

JSON

{
  "hex": "#378fbe",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 190
  },
  "hsl": {
    "h": 200.889,
    "s": 55.102,
    "l": 48.039
  },
  "oklch": {
    "l": 0.61807,
    "c": 0.10884,
    "h": 235.9
  },
  "luminance": 0.24175
}

Semantic roles & 50–950 ramp

primary

#378FBE

secondary

#CA9E87

accent

#7D49DE

background

#F8FAFC

surface

#EFF4F9

border

#CACED2

text

#0B1014

muted

#7C7F82

Preview Lab

Preview with #378FBE

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

Preview Lab → · Contrast checker → · Palette generator →