#397C9D#397C9D

#397C9D is a mid, moderate cyan. Relative luminance 0.177; OKLCH L 55.7% C 0.085 H 232.5°. Best body text is #FFFFFF at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#397C9D
RGB	rgb(57, 124, 157)
HSL	hsl(200, 47%, 42%)
HSV	hsv(200, 64%, 62%)
CMYK	cmyk(63.7%, 21%, 0%, 38.4%)
CIE-LAB	lab(49.15, -10.76, -24.05)
CIE-LCH	lch(49.15, 26.34, 245.90°)
OKLab	oklab(55.71% -0.0516 -0.0673)
OKLCH	oklch(55.71% 0.085 232.5)
XYZ	xyz(14.9784, 17.7180, 34.5223)
Luminance	0.1772 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397C9D #9D5A39

analogous

#399D8C #397C9D #394A9D

triadic

#397C9D #9D397C #7C9D39

tetradic

#397C9D #8C399D #9D5A39 #4A9D39

square

#397C9D #8C399D #9D5A39 #4A9D39

split-complementary

#397C9D #9D394A #9D8C39

monochromatic

#183543 #295970 #397C9D #539CC0 #80B6D1

Accessibility & contrast

On white

4.62

#397C9D on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.54

#397C9D on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397C9D

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397C9D	#FFFFFF	#000000	##FFFFFF
##397C9D	1.00	4.62	4.54	4.62
#FFFFFF	4.62	1.00	21.00	1.00
#000000	4.54	21.00	1.00	21.00
##FFFFFF	4.62	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6C7B9F

Deuteranopia (green-blind)

#5E709D

Tritanopia (blue-blind)

#008587

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397c9d;
/* rgb */ color: rgb(57, 124, 157);
/* oklch */ color: oklch(55.7% 0.085 232.5);

Tailwind

colors: {
  custom: {
    50: '#7aa1ba',
    500: '#397c9d',
    950: '#000000',
  },
}

SCSS

$custom: #397c9d;
$custom-light: #7aa1ba;
$custom-dark: #000000;

JSON

{
  "hex": "#397c9d",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 157
  },
  "hsl": {
    "h": 199.8,
    "s": 46.729,
    "l": 41.961
  },
  "oklch": {
    "l": 0.55705,
    "c": 0.08476,
    "h": 232.5
  },
  "luminance": 0.17719
}

Semantic roles & 50–950 ramp

primary

#397C9D

secondary

#BA8E78

accent

#7D51D6

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F11

muted

#7C7E80

Preview Lab

Preview with #397C9D

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

Preview Lab → · Contrast checker → · Palette generator →