#397A8A#397A8A

#397A8A is a mid, moderate cyan. Relative luminance 0.166; OKLCH L 54.4% C 0.070 H 216.2°. Best body text is #FFFFFF at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#397A8A
RGB	rgb(57, 122, 138)
HSL	hsl(192, 42%, 38%)
HSV	hsv(192, 59%, 54%)
CMYK	cmyk(58.7%, 11.6%, 0%, 45.9%)
CIE-LAB	lab(47.78, -15.78, -14.98)
CIE-LCH	lch(47.78, 21.76, 223.52°)
OKLab	oklab(54.36% -0.0568 -0.0415)
OKLCH	oklch(54.36% 0.07 216.2)
XYZ	xyz(13.2325, 16.6226, 26.5510)
Luminance	0.1662 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397A8A #8A4939

analogous

#398A71 #397A8A #39518A

triadic

#397A8A #8A397A #7A8A39

tetradic

#397A8A #71398A #8A4939 #518A39

square

#397A8A #71398A #8A4939 #518A39

split-complementary

#397A8A #8A3951 #8A7139

monochromatic

#152D33 #27545F #397A8A #4BA0B5 #77B7C7

Accessibility & contrast

On white

4.86

#397A8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.32

#397A8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397A8A

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397A8A	#FFFFFF	#000000	##FFFFFF
##397A8A	1.00	4.86	4.32	4.86
#FFFFFF	4.86	1.00	21.00	1.00
#000000	4.32	21.00	1.00	21.00
##FFFFFF	4.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F778B

Deuteranopia (green-blind)

#636D8A

Tritanopia (blue-blind)

#00807F

Achromatopsia (no color)

#717171

Design tokens & code

CSS

--color: #397a8a;
/* rgb */ color: rgb(57, 122, 138);
/* oklch */ color: oklch(54.4% 0.070 216.2);

Tailwind

colors: {
  custom: {
    50: '#77a0ac',
    500: '#397a8a',
    950: '#000000',
  },
}

SCSS

$custom: #397a8a;
$custom-light: #77a0ac;
$custom-dark: #000000;

JSON

{
  "hex": "#397a8a",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 138
  },
  "hsl": {
    "h": 191.852,
    "s": 41.538,
    "l": 38.235
  },
  "oklch": {
    "l": 0.54362,
    "c": 0.07039,
    "h": 216.2
  },
  "luminance": 0.16624
}

Semantic roles & 50–950 ramp

primary

#397A8A

secondary

#B07C6F

accent

#6F56D1

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090E10

muted

#7B7E7F

Preview Lab

Preview with #397A8A

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

Preview Lab → · Contrast checker → · Palette generator →