#397B9C#397B9C

#397B9C is a mid, moderate cyan. Relative luminance 0.174; OKLCH L 55.4% C 0.084 H 232.9°. Best body text is #FFFFFF at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#397B9C
RGB	rgb(57, 123, 156)
HSL	hsl(200, 46%, 42%)
HSV	hsv(200, 63%, 61%)
CMYK	cmyk(63.5%, 21.2%, 0%, 38.8%)
CIE-LAB	lab(48.80, -10.52, -24.00)
CIE-LCH	lch(48.80, 26.20, 246.34°)
OKLab	oklab(55.41% -0.0508 -0.0672)
OKLCH	oklch(55.41% 0.084 232.9)
XYZ	xyz(14.7687, 17.4346, 34.0329)
Luminance	0.1744 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B9C #9C5A39

analogous

#399C8C #397B9C #394A9C

triadic

#397B9C #9C397B #7B9C39

tetradic

#397B9C #8C399C #9C5A39 #4A9C39

square

#397B9C #8C399C #9C5A39 #4A9C39

split-complementary

#397B9C #9C394A #9C8C39

monochromatic

#183442 #29586F #397B9C #529BC0 #7FB5D0

Accessibility & contrast

On white

4.68

#397B9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.49

#397B9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B9C

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B9C	#FFFFFF	#000000	##FFFFFF
##397B9C	1.00	4.68	4.49	4.68
#FFFFFF	4.68	1.00	21.00	1.00
#000000	4.49	21.00	1.00	21.00
##FFFFFF	4.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7A9E

Deuteranopia (green-blind)

#5D6F9C

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #397b9c;
/* rgb */ color: rgb(57, 123, 156);
/* oklch */ color: oklch(55.4% 0.084 232.9);

Tailwind

colors: {
  custom: {
    50: '#79a1b9',
    500: '#397b9c',
    950: '#000000',
  },
}

SCSS

$custom: #397b9c;
$custom-light: #79a1b9;
$custom-dark: #000000;

JSON

{
  "hex": "#397b9c",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 156
  },
  "hsl": {
    "h": 200,
    "s": 46.479,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55413,
    "c": 0.08422,
    "h": 232.9
  },
  "luminance": 0.17436
}

Semantic roles & 50–950 ramp

primary

#397B9C

secondary

#BA8D77

accent

#7E52D6

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #397B9C

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

Preview Lab → · Contrast checker → · Palette generator →