#397D9D#397D9D

#397D9D is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.084 H 231.4°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#397D9D
RGB	rgb(57, 125, 157)
HSL	hsl(199, 47%, 42%)
HSV	hsv(199, 64%, 62%)
CMYK	cmyk(63.7%, 20.4%, 0%, 38.4%)
CIE-LAB	lab(49.46, -11.33, -23.57)
CIE-LCH	lch(49.46, 26.15, 244.34°)
OKLab	oklab(55.95% -0.0527 -0.0659)
OKLCH	oklch(55.95% 0.084 231.4)
XYZ	xyz(15.1044, 17.9699, 34.5643)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397D9D #9D5939

analogous

#399D8B #397D9D #394B9D

triadic

#397D9D #9D397D #7D9D39

tetradic

#397D9D #8B399D #9D5939 #4B9D39

square

#397D9D #8B399D #9D5939 #4B9D39

split-complementary

#397D9D #9D394B #9D8B39

monochromatic

#183643 #295970 #397D9D #539DC0 #80B7D1

Accessibility & contrast

On white

4.57

#397D9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#397D9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397D9D

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397D9D	#FFFFFF	#000000	##000000
##397D9D	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7B9F

Deuteranopia (green-blind)

#5F719D

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397d9d;
/* rgb */ color: rgb(57, 125, 157);
/* oklch */ color: oklch(56.0% 0.084 231.4);

Tailwind

colors: {
  custom: {
    50: '#7aa2ba',
    500: '#397d9d',
    950: '#000000',
  },
}

SCSS

$custom: #397d9d;
$custom-light: #7aa2ba;
$custom-dark: #000000;

JSON

{
  "hex": "#397d9d",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 157
  },
  "hsl": {
    "h": 199.2,
    "s": 46.729,
    "l": 41.961
  },
  "oklch": {
    "l": 0.5595,
    "c": 0.08438,
    "h": 231.4
  },
  "luminance": 0.17971
}

Semantic roles & 50–950 ramp

primary

#397D9D

secondary

#BA8D78

accent

#7C51D6

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #397D9D

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

Preview Lab → · Contrast checker → · Palette generator →