#397A99#397A99

#397A99 is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 55.0% C 0.082 H 231.6°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#397A99
RGB	rgb(57, 122, 153)
HSL	hsl(199, 46%, 41%)
HSV	hsv(199, 63%, 60%)
CMYK	cmyk(62.7%, 20.3%, 0%, 40%)
CIE-LAB	lab(48.37, -10.94, -22.91)
CIE-LCH	lch(48.37, 25.39, 244.47°)
OKLab	oklab(55.03% -0.0508 -0.064)
OKLCH	oklch(55.03% 0.082 231.6)
XYZ	xyz(14.3944, 17.0874, 32.6704)
Luminance	0.1709 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397A99 #995839

analogous

#399988 #397A99 #394A99

triadic

#397A99 #99397A #7A9939

tetradic

#397A99 #883999 #995839 #4A9939

square

#397A99 #883999 #995839 #4A9939

split-complementary

#397A99 #99394A #998839

monochromatic

#183340 #28566C #397A99 #519BBE #7EB5CF

Accessibility & contrast

On white

4.75

#397A99 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#397A99 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397A99

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397A99	#FFFFFF	#000000	##FFFFFF
##397A99	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B789B

Deuteranopia (green-blind)

#5D6F99

Tritanopia (blue-blind)

#008284

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #397a99;
/* rgb */ color: rgb(57, 122, 153);
/* oklch */ color: oklch(55.0% 0.082 231.6);

Tailwind

colors: {
  custom: {
    50: '#79a0b7',
    500: '#397a99',
    950: '#000000',
  },
}

SCSS

$custom: #397a99;
$custom-light: #79a0b7;
$custom-dark: #000000;

JSON

{
  "hex": "#397a99",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 153
  },
  "hsl": {
    "h": 199.375,
    "s": 45.714,
    "l": 41.176
  },
  "oklch": {
    "l": 0.55027,
    "c": 0.08175,
    "h": 231.6
  },
  "luminance": 0.17089
}

Semantic roles & 50–950 ramp

primary

#397A99

secondary

#B88B76

accent

#7D52D5

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0E11

muted

#7C7E80

Preview Lab

Preview with #397A99

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

Preview Lab → · Contrast checker → · Palette generator →