#377B97#377B97

#377B97 is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.1% C 0.081 H 228.0°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#377B97
RGB	rgb(55, 123, 151)
HSL	hsl(198, 47%, 40%)
HSV	hsv(198, 64%, 59%)
CMYK	cmyk(63.6%, 18.5%, 0%, 40.8%)
CIE-LAB	lab(48.52, -12.55, -21.51)
CIE-LCH	lch(48.52, 24.90, 239.73°)
OKLab	oklab(55.1% -0.0541 -0.06)
OKLCH	oklch(55.1% 0.081 228)
XYZ	xyz(14.2422, 17.2111, 31.8437)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#377B97 #975337

analogous

#379783 #377B97 #374B97

triadic

#377B97 #97377B #7B9737

tetradic

#377B97 #833797 #975337 #4B9737

square

#377B97 #833797 #975337 #4B9737

split-complementary

#377B97 #97374B #978337

monochromatic

#16323D #27566A #377B97 #4D9DBE #7AB6CF

Accessibility & contrast

On white

4.73

#377B97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#377B97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #377B97

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##377B97	#FFFFFF	#000000	##FFFFFF
##377B97	1.00	4.73	4.44	4.73
#FFFFFF	4.73	1.00	21.00	1.00
#000000	4.44	21.00	1.00	21.00
##FFFFFF	4.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7998

Deuteranopia (green-blind)

#5F6F97

Tritanopia (blue-blind)

#008384

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #377b97;
/* rgb */ color: rgb(55, 123, 151);
/* oklch */ color: oklch(55.1% 0.081 228.0);

Tailwind

colors: {
  custom: {
    50: '#78a1b5',
    500: '#377b97',
    950: '#000000',
  },
}

SCSS

$custom: #377b97;
$custom-light: #78a1b5;
$custom-dark: #000000;

JSON

{
  "hex": "#377b97",
  "rgb": {
    "r": 55,
    "g": 123,
    "b": 151
  },
  "hsl": {
    "h": 197.5,
    "s": 46.602,
    "l": 40.392
  },
  "oklch": {
    "l": 0.55103,
    "c": 0.0808,
    "h": 228
  },
  "luminance": 0.17213
}

Semantic roles & 50–950 ramp

primary

#377B97

secondary

#B88672

accent

#7852D6

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F11

muted

#7C7E80

Preview Lab

Preview with #377B97

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

Preview Lab → · Contrast checker → · Palette generator →