#397A9C#397A9C

#397A9C is a mid, moderate cyan. Relative luminance 0.172; OKLCH L 55.2% C 0.085 H 234.0°. Best body text is #FFFFFF at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#397A9C
RGB	rgb(57, 122, 156)
HSL	hsl(201, 46%, 42%)
HSV	hsv(201, 63%, 61%)
CMYK	cmyk(63.5%, 21.8%, 0%, 38.8%)
CIE-LAB	lab(48.50, -9.94, -24.48)
CIE-LCH	lch(48.50, 26.42, 247.89°)
OKLab	oklab(55.17% -0.0497 -0.0685)
OKLCH	oklch(55.17% 0.085 234)
XYZ	xyz(14.6453, 17.1878, 33.9918)
Luminance	0.1719 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397A9C #9C5B39

analogous

#399C8D #397A9C #39499C

triadic

#397A9C #9C397A #7A9C39

tetradic

#397A9C #8D399C #9C5B39 #499C39

square

#397A9C #8D399C #9C5B39 #499C39

split-complementary

#397A9C #9C3949 #9C8D39

monochromatic

#183442 #29576F #397A9C #529AC0 #7FB4D0

Accessibility & contrast

On white

4.73

#397A9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.44

#397A9C on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397A9C

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397A9C	#FFFFFF	#000000	##FFFFFF
##397A9C	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)

#6A799E

Deuteranopia (green-blind)

#5C6F9B

Tritanopia (blue-blind)

#008385

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #397a9c;
/* rgb */ color: rgb(57, 122, 156);
/* oklch */ color: oklch(55.2% 0.085 234.0);

Tailwind

colors: {
  custom: {
    50: '#79a0b9',
    500: '#397a9c',
    950: '#000000',
  },
}

SCSS

$custom: #397a9c;
$custom-light: #79a0b9;
$custom-dark: #000000;

JSON

{
  "hex": "#397a9c",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 156
  },
  "hsl": {
    "h": 200.606,
    "s": 46.479,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55169,
    "c": 0.08465,
    "h": 234
  },
  "luminance": 0.17189
}

Semantic roles & 50–950 ramp

primary

#397A9C

secondary

#BA8E77

accent

#7F52D6

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #397A9C

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

Preview Lab → · Contrast checker → · Palette generator →