#397B97#397B97

#397B97 is a mid, moderate cyan. Relative luminance 0.173; OKLCH L 55.2% C 0.080 H 228.5°. Best body text is #FFFFFF at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#397B97
RGB	rgb(57, 123, 151)
HSL	hsl(198, 45%, 41%)
HSV	hsv(198, 62%, 59%)
CMYK	cmyk(62.3%, 18.5%, 0%, 40.8%)
CIE-LAB	lab(48.60, -12.17, -21.39)
CIE-LCH	lch(48.60, 24.61, 240.36°)
OKLab	oklab(55.18% -0.0527 -0.0597)
OKLCH	oklch(55.18% 0.08 228.5)
XYZ	xyz(14.3540, 17.2687, 31.8489)
Luminance	0.1727 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B97 #975539

analogous

#399784 #397B97 #394C97

triadic

#397B97 #97397B #7B9739

tetradic

#397B97 #843997 #975539 #4C9739

square

#397B97 #843997 #975539 #4C9739

split-complementary

#397B97 #97394C #978439

monochromatic

#17333E #28576B #397B97 #509DBD #7DB6CE

Accessibility & contrast

On white

4.71

#397B97 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.45

#397B97 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B97

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B97	#FFFFFF	#000000	##FFFFFF
##397B97	1.00	4.71	4.45	4.71
#FFFFFF	4.71	1.00	21.00	1.00
#000000	4.45	21.00	1.00	21.00
##FFFFFF	4.71	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: #397b97;
/* rgb */ color: rgb(57, 123, 151);
/* oklch */ color: oklch(55.2% 0.080 228.5);

Tailwind

colors: {
  custom: {
    50: '#79a1b5',
    500: '#397b97',
    950: '#000000',
  },
}

SCSS

$custom: #397b97;
$custom-light: #79a1b5;
$custom-dark: #000000;

JSON

{
  "hex": "#397b97",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 151
  },
  "hsl": {
    "h": 197.872,
    "s": 45.192,
    "l": 40.784
  },
  "oklch": {
    "l": 0.55181,
    "c": 0.07964,
    "h": 228.5
  },
  "luminance": 0.1727
}

Semantic roles & 50–950 ramp

primary

#397B97

secondary

#B78875

accent

#7A53D5

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F11

muted

#7C7E80

Preview Lab

Preview with #397B97

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

Preview Lab → · Contrast checker → · Palette generator →