#378BA2#378BA2

#378BA2 is a mid, moderate cyan. Relative luminance 0.219; OKLCH L 59.5% C 0.087 H 219.1°. Best body text is #000000 at 5.38:1 contrast (WCAG AA passes).

Color values

HEX	#378BA2
RGB	rgb(55, 139, 162)
HSL	hsl(193, 49%, 43%)
HSV	hsv(193, 66%, 64%)
CMYK	cmyk(66%, 14.2%, 0%, 36.5%)
CIE-LAB	lab(53.90, -17.80, -19.65)
CIE-LCH	lch(53.90, 26.51, 227.83°)
OKLab	oklab(59.55% -0.0673 -0.0547)
OKLCH	oklch(59.55% 0.087 219.1)
XYZ	xyz(17.3271, 21.8842, 37.4863)
Luminance	0.2189 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378BA2 #A24E37

analogous

#37A283 #378BA2 #3756A2

triadic

#378BA2 #A2378B #8BA237

tetradic

#378BA2 #8337A2 #A24E37 #56A237

square

#378BA2 #8337A2 #A24E37 #56A237

split-complementary

#378BA2 #A23756 #A28337

monochromatic

#183D47 #276474 #378BA2 #52ACC4 #80C2D4

Accessibility & contrast

On white

3.91

#378BA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.38

#378BA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378BA2

5.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378BA2	#FFFFFF	#000000	##000000
##378BA2	1.00	3.91	5.38	5.38
#FFFFFF	3.91	1.00	21.00	21.00
#000000	5.38	21.00	1.00	1.00
##000000	5.38	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#7D87A3

Deuteranopia (green-blind)

#6D7CA2

Tritanopia (blue-blind)

#009392

Achromatopsia (no color)

#818181

Design tokens & code

CSS

--color: #378ba2;
/* rgb */ color: rgb(55, 139, 162);
/* oklch */ color: oklch(59.5% 0.087 219.1);

Tailwind

colors: {
  custom: {
    50: '#7aadbd',
    500: '#378ba2',
    950: '#000000',
  },
}

SCSS

$custom: #378ba2;
$custom-light: #7aadbd;
$custom-dark: #000000;

JSON

{
  "hex": "#378ba2",
  "rgb": {
    "r": 55,
    "g": 139,
    "b": 162
  },
  "hsl": {
    "h": 192.897,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.59549,
    "c": 0.08676,
    "h": 219.1
  },
  "luminance": 0.21886
}

Semantic roles & 50–950 ramp

primary

#378BA2

secondary

#BD8778

accent

#6D4FD9

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378BA2

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

Preview Lab → · Contrast checker → · Palette generator →