#397B8A#397B8A

#397B8A is a mid, moderate cyan. Relative luminance 0.169; OKLCH L 54.6% C 0.071 H 214.7°. Best body text is #FFFFFF at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#397B8A
RGB	rgb(57, 123, 138)
HSL	hsl(191, 42%, 38%)
HSV	hsv(191, 59%, 54%)
CMYK	cmyk(58.7%, 10.9%, 0%, 45.9%)
CIE-LAB	lab(48.10, -16.33, -14.51)
CIE-LCH	lch(48.10, 21.84, 221.62°)
OKLab	oklab(54.61% -0.058 -0.0402)
OKLCH	oklch(54.61% 0.071 214.7)
XYZ	xyz(13.3559, 16.8695, 26.5921)
Luminance	0.1687 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B8A #8A4839

analogous

#398A70 #397B8A #39528A

triadic

#397B8A #8A397B #7B8A39

tetradic

#397B8A #70398A #8A4839 #528A39

square

#397B8A #70398A #8A4839 #528A39

split-complementary

#397B8A #8A3952 #8A7039

monochromatic

#152E33 #27545F #397B8A #4BA1B5 #77B8C7

Accessibility & contrast

On white

4.80

#397B8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.37

#397B8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B8A

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B8A	#FFFFFF	#000000	##FFFFFF
##397B8A	1.00	4.80	4.37	4.80
#FFFFFF	4.80	1.00	21.00	1.00
#000000	4.37	21.00	1.00	21.00
##FFFFFF	4.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#70778B

Deuteranopia (green-blind)

#646E8A

Tritanopia (blue-blind)

#008180

Achromatopsia (no color)

#727272

Design tokens & code

CSS

--color: #397b8a;
/* rgb */ color: rgb(57, 123, 138);
/* oklch */ color: oklch(54.6% 0.071 214.7);

Tailwind

colors: {
  custom: {
    50: '#77a1ac',
    500: '#397b8a',
    950: '#000000',
  },
}

SCSS

$custom: #397b8a;
$custom-light: #77a1ac;
$custom-dark: #000000;

JSON

{
  "hex": "#397b8a",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 138
  },
  "hsl": {
    "h": 191.111,
    "s": 41.538,
    "l": 38.235
  },
  "oklch": {
    "l": 0.54613,
    "c": 0.07056,
    "h": 214.7
  },
  "luminance": 0.16871
}

Semantic roles & 50–950 ramp

primary

#397B8A

secondary

#B07B6F

accent

#6D56D1

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #397B8A

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

Preview Lab → · Contrast checker → · Palette generator →