#397D9C#397D9C

#397D9C is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.9% C 0.083 H 230.5°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#397D9C
RGB	rgb(57, 125, 156)
HSL	hsl(199, 46%, 42%)
HSV	hsv(199, 63%, 61%)
CMYK	cmyk(63.5%, 19.9%, 0%, 38.8%)
CIE-LAB	lab(49.42, -11.66, -23.05)
CIE-LCH	lch(49.42, 25.83, 243.17°)
OKLab	oklab(55.9% -0.053 -0.0644)
OKLCH	oklch(55.9% 0.083 230.5)
XYZ	xyz(15.0194, 17.9359, 34.1165)
Luminance	0.1794 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397D9C #9C5839

analogous

#399C8A #397D9C #394C9C

triadic

#397D9C #9C397D #7D9C39

tetradic

#397D9C #8A399C #9C5839 #4C9C39

square

#397D9C #8A399C #9C5839 #4C9C39

split-complementary

#397D9C #9C394C #9C8A39

monochromatic

#183542 #29596F #397D9C #529EC0 #7FB7D0

Accessibility & contrast

On white

4.58

#397D9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#397D9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397D9C

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397D9C	#FFFFFF	#000000	##000000
##397D9C	1.00	4.58	4.59	4.59
#FFFFFF	4.58	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)

#6D7B9E

Deuteranopia (green-blind)

#60719C

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397d9c;
/* rgb */ color: rgb(57, 125, 156);
/* oklch */ color: oklch(55.9% 0.083 230.5);

Tailwind

colors: {
  custom: {
    50: '#7aa2b9',
    500: '#397d9c',
    950: '#000000',
  },
}

SCSS

$custom: #397d9c;
$custom-light: #7aa2b9;
$custom-dark: #000000;

JSON

{
  "hex": "#397d9c",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 156
  },
  "hsl": {
    "h": 198.788,
    "s": 46.479,
    "l": 41.765
  },
  "oklch": {
    "l": 0.55903,
    "c": 0.08346,
    "h": 230.5
  },
  "luminance": 0.17937
}

Semantic roles & 50–950 ramp

primary

#397D9C

secondary

#BA8C77

accent

#7B52D6

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #397D9C

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

Preview Lab → · Contrast checker → · Palette generator →