#397C9A#397C9A

#397C9A is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.6% C 0.082 H 230.0°. Best body text is #FFFFFF at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#397C9A
RGB	rgb(57, 124, 154)
HSL	hsl(199, 46%, 41%)
HSV	hsv(199, 63%, 60%)
CMYK	cmyk(63%, 19.5%, 0%, 39.6%)
CIE-LAB	lab(49.03, -11.75, -22.48)
CIE-LCH	lch(49.03, 25.37, 242.41°)
OKLab	oklab(55.57% -0.0527 -0.0628)
OKLCH	oklch(55.57% 0.082 230)
XYZ	xyz(14.7255, 17.6168, 33.1899)
Luminance	0.1762 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397C9A #9A5739

analogous

#399A88 #397C9A #394C9A

triadic

#397C9A #9A397C #7C9A39

tetradic

#397C9A #88399A #9A5739 #4C9A39

square

#397C9A #88399A #9A5739 #4C9A39

split-complementary

#397C9A #9A394C #9A8839

monochromatic

#183441 #28586D #397C9A #519DBF #7EB6CF

Accessibility & contrast

On white

4.64

#397C9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.52

#397C9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397C9A

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397C9A	#FFFFFF	#000000	##FFFFFF
##397C9A	1.00	4.64	4.52	4.64
#FFFFFF	4.64	1.00	21.00	1.00
#000000	4.52	21.00	1.00	21.00
##FFFFFF	4.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7A9B

Deuteranopia (green-blind)

#5F709A

Tritanopia (blue-blind)

#008486

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #397c9a;
/* rgb */ color: rgb(57, 124, 154);
/* oklch */ color: oklch(55.6% 0.082 230.0);

Tailwind

colors: {
  custom: {
    50: '#79a2b7',
    500: '#397c9a',
    950: '#000000',
  },
}

SCSS

$custom: #397c9a;
$custom-light: #79a2b7;
$custom-dark: #000000;

JSON

{
  "hex": "#397c9a",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 154
  },
  "hsl": {
    "h": 198.557,
    "s": 45.972,
    "l": 41.373
  },
  "oklch": {
    "l": 0.55565,
    "c": 0.08198,
    "h": 230
  },
  "luminance": 0.17618
}

Semantic roles & 50–950 ramp

primary

#397C9A

secondary

#B98B76

accent

#7B52D6

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F11

muted

#7C7E80

Preview Lab

Preview with #397C9A

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

Preview Lab → · Contrast checker → · Palette generator →