#378AA7#378AA7

#378AA7 is a mid, moderate cyan. Relative luminance 0.218; OKLCH L 59.5% C 0.090 H 224.6°. Best body text is #000000 at 5.36:1 contrast (WCAG AA passes).

Color values

HEX	#378AA7
RGB	rgb(55, 138, 167)
HSL	hsl(196, 50%, 44%)
HSV	hsv(196, 67%, 65%)
CMYK	cmyk(67.1%, 17.4%, 0%, 34.5%)
CIE-LAB	lab(53.79, -15.63, -22.70)
CIE-LCH	lch(53.79, 27.57, 235.45°)
OKLab	oklab(59.52% -0.0643 -0.0634)
OKLCH	oklch(59.52% 0.09 224.6)
XYZ	xyz(17.6363, 21.7773, 39.8257)
Luminance	0.2178 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378AA7 #A75437

analogous

#37A78C #378AA7 #3752A7

triadic

#378AA7 #A7378A #8AA737

tetradic

#378AA7 #8C37A7 #A75437 #52A737

square

#378AA7 #8C37A7 #A75437 #52A737

split-complementary

#378AA7 #A73752 #A78C37

monochromatic

#193E4B #286479 #378AA7 #54A9C7 #82C0D6

Accessibility & contrast

On white

3.92

#378AA7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.36

#378AA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378AA7

5.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378AA7	#FFFFFF	#000000	##000000
##378AA7	1.00	3.92	5.36	5.36
#FFFFFF	3.92	1.00	21.00	21.00
#000000	5.36	21.00	1.00	1.00
##000000	5.36	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7A87A8

Deuteranopia (green-blind)

#6A7CA7

Tritanopia (blue-blind)

#009393

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #378aa7;
/* rgb */ color: rgb(55, 138, 167);
/* oklch */ color: oklch(59.5% 0.090 224.6);

Tailwind

colors: {
  custom: {
    50: '#7bacc1',
    500: '#378aa7',
    950: '#000000',
  },
}

SCSS

$custom: #378aa7;
$custom-light: #7bacc1;
$custom-dark: #000000;

JSON

{
  "hex": "#378aa7",
  "rgb": {
    "r": 55,
    "g": 138,
    "b": 167
  },
  "hsl": {
    "h": 195.536,
    "s": 50.45,
    "l": 43.529
  },
  "oklch": {
    "l": 0.59522,
    "c": 0.09028,
    "h": 224.6
  },
  "luminance": 0.21779
}

Semantic roles & 50–950 ramp

primary

#378AA7

secondary

#C08C7A

accent

#724EDA

background

#F8FAFB

surface

#EFF4F7

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378AA7

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

Preview Lab → · Contrast checker → · Palette generator →