#378FA2#378FA2

#378FA2 is a mid, moderate cyan. Relative luminance 0.231; OKLCH L 60.5% C 0.087 H 214.6°. Best body text is #000000 at 5.61:1 contrast (WCAG AA passes).

Color values

HEX	#378FA2
RGB	rgb(55, 143, 162)
HSL	hsl(191, 49%, 43%)
HSV	hsv(191, 66%, 64%)
CMYK	cmyk(66%, 11.7%, 0%, 36.5%)
CIE-LAB	lab(55.14, -19.94, -17.77)
CIE-LCH	lch(55.14, 26.71, 221.70°)
OKLab	oklab(60.54% -0.0716 -0.0494)
OKLCH	oklch(60.54% 0.087 214.6)
XYZ	xyz(17.9169, 23.0638, 37.6829)
Luminance	0.2307 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#378FA2 #A24A37

analogous

#37A27F #378FA2 #375AA2

triadic

#378FA2 #A2378F #8FA237

tetradic

#378FA2 #7F37A2 #A24A37 #5AA237

square

#378FA2 #7F37A2 #A24A37 #5AA237

split-complementary

#378FA2 #A2375A #A27F37

monochromatic

#183E47 #276774 #378FA2 #52B0C4 #80C5D4

Accessibility & contrast

On white

3.74

#378FA2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.61

#378FA2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #378FA2

5.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##378FA2	#FFFFFF	#000000	##000000
##378FA2	1.00	3.74	5.61	5.61
#FFFFFF	3.74	1.00	21.00	21.00
#000000	5.61	21.00	1.00	1.00
##000000	5.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#818BA3

Deuteranopia (green-blind)

#727FA2

Tritanopia (blue-blind)

#009695

Achromatopsia (no color)

#848484

Design tokens & code

CSS

--color: #378fa2;
/* rgb */ color: rgb(55, 143, 162);
/* oklch */ color: oklch(60.5% 0.087 214.6);

Tailwind

colors: {
  custom: {
    50: '#7bb0bd',
    500: '#378fa2',
    950: '#000000',
  },
}

SCSS

$custom: #378fa2;
$custom-light: #7bb0bd;
$custom-dark: #000000;

JSON

{
  "hex": "#378fa2",
  "rgb": {
    "r": 55,
    "g": 143,
    "b": 162
  },
  "hsl": {
    "h": 190.654,
    "s": 49.309,
    "l": 42.549
  },
  "oklch": {
    "l": 0.6054,
    "c": 0.08701,
    "h": 214.6
  },
  "luminance": 0.23066
}

Semantic roles & 50–950 ramp

primary

#378FA2

secondary

#BD8478

accent

#674FD9

background

#F8FAFB

surface

#EFF4F6

border

#CACED0

text

#0A1012

muted

#7C7F81

Preview Lab

Preview with #378FA2

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

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