#397C8D#397C8D

#397C8D is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.0% C 0.072 H 216.8°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#397C8D
RGB	rgb(57, 124, 141)
HSL	hsl(192, 42%, 39%)
HSV	hsv(192, 60%, 55%)
CMYK	cmyk(59.6%, 12.1%, 0%, 44.7%)
CIE-LAB	lab(48.52, -15.94, -15.63)
CIE-LCH	lch(48.52, 22.32, 224.44°)
OKLab	oklab(54.99% -0.0579 -0.0434)
OKLCH	oklch(54.99% 0.072 216.8)
XYZ	xyz(13.7008, 17.2069, 27.7934)
Luminance	0.1721 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397C8D #8D4A39

analogous

#398D74 #397C8D #39528D

triadic

#397C8D #8D397C #7C8D39

tetradic

#397C8D #74398D #8D4A39 #528D39

square

#397C8D #74398D #8D4A39 #528D39

split-complementary

#397C8D #8D3952 #8D7439

monochromatic

#162F36 #275661 #397C8D #4CA1B7 #78B8C8

Accessibility & contrast

On white

4.73

#397C8D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#397C8D on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397C8D

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397C8D	#FFFFFF	#000000	##FFFFFF
##397C8D	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)

#71798E

Deuteranopia (green-blind)

#646F8D

Tritanopia (blue-blind)

#008281

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #397c8d;
/* rgb */ color: rgb(57, 124, 141);
/* oklch */ color: oklch(55.0% 0.072 216.8);

Tailwind

colors: {
  custom: {
    50: '#78a2ae',
    500: '#397c8d',
    950: '#000000',
  },
}

SCSS

$custom: #397c8d;
$custom-light: #78a2ae;
$custom-dark: #000000;

JSON

{
  "hex": "#397c8d",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 141
  },
  "hsl": {
    "h": 192.143,
    "s": 42.424,
    "l": 38.824
  },
  "oklch": {
    "l": 0.5499,
    "c": 0.07234,
    "h": 216.8
  },
  "luminance": 0.17208
}

Semantic roles & 50–950 ramp

primary

#397C8D

secondary

#B27D70

accent

#6F56D2

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #397C8D

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

Preview Lab → · Contrast checker → · Palette generator →