#397E9D#397E9D

#397E9D is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.2% C 0.084 H 230.2°. Best body text is #000000 at 4.65:1 contrast (WCAG AA passes).

Color values

HEX	#397E9D
RGB	rgb(57, 126, 157)
HSL	hsl(199, 47%, 42%)
HSV	hsv(199, 64%, 62%)
CMYK	cmyk(63.7%, 19.7%, 0%, 38.4%)
CIE-LAB	lab(49.77, -11.89, -23.10)
CIE-LCH	lch(49.77, 25.98, 242.75°)
OKLab	oklab(56.19% -0.0538 -0.0646)
OKLCH	oklch(56.19% 0.084 230.2)
XYZ	xyz(15.2316, 18.2243, 34.6067)
Luminance	0.1823 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397E9D #9D5839

analogous

#399D8A #397E9D #394C9D

triadic

#397E9D #9D397E #7E9D39

tetradic

#397E9D #8A399D #9D5839 #4C9D39

square

#397E9D #8A399D #9D5839 #4C9D39

split-complementary

#397E9D #9D394C #9D8A39

monochromatic

#183643 #295A70 #397E9D #539EC0 #80B8D1

Accessibility & contrast

On white

4.52

#397E9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.65

#397E9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397E9D

4.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397E9D	#FFFFFF	#000000	##000000
##397E9D	1.00	4.52	4.65	4.65
#FFFFFF	4.52	1.00	21.00	21.00
#000000	4.65	21.00	1.00	1.00
##000000	4.65	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7C9F

Deuteranopia (green-blind)

#60729D

Tritanopia (blue-blind)

#008788

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397e9d;
/* rgb */ color: rgb(57, 126, 157);
/* oklch */ color: oklch(56.2% 0.084 230.2);

Tailwind

colors: {
  custom: {
    50: '#7aa3ba',
    500: '#397e9d',
    950: '#000000',
  },
}

SCSS

$custom: #397e9d;
$custom-light: #7aa3ba;
$custom-dark: #000000;

JSON

{
  "hex": "#397e9d",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 157
  },
  "hsl": {
    "h": 198.6,
    "s": 46.729,
    "l": 41.961
  },
  "oklch": {
    "l": 0.56195,
    "c": 0.08403,
    "h": 230.2
  },
  "luminance": 0.18226
}

Semantic roles & 50–950 ramp

primary

#397E9D

secondary

#BA8C78

accent

#7B51D6

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #397E9D

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

Preview Lab → · Contrast checker → · Palette generator →