#397E9A#397E9A

#397E9A is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.1% C 0.081 H 227.6°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#397E9A
RGB	rgb(57, 126, 154)
HSL	hsl(197, 46%, 41%)
HSV	hsv(197, 63%, 60%)
CMYK	cmyk(63%, 18.2%, 0%, 39.6%)
CIE-LAB	lab(49.65, -12.88, -21.53)
CIE-LCH	lch(49.65, 25.09, 239.11°)
OKLab	oklab(56.06% -0.0549 -0.0601)
OKLCH	oklch(56.06% 0.081 227.6)
XYZ	xyz(14.9786, 18.1232, 33.2743)
Luminance	0.1812 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397E9A #9A5539

analogous

#399A86 #397E9A #394D9A

triadic

#397E9A #9A397E #7E9A39

tetradic

#397E9A #86399A #9A5539 #4D9A39

square

#397E9A #86399A #9A5539 #4D9A39

split-complementary

#397E9A #9A394D #9A8639

monochromatic

#183541 #28596D #397E9A #519FBF #7EB8CF

Accessibility & contrast

On white

4.54

#397E9A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#397E9A on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397E9A

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397E9A	#FFFFFF	#000000	##000000
##397E9A	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9B

Deuteranopia (green-blind)

#62729A

Tritanopia (blue-blind)

#008687

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397e9a;
/* rgb */ color: rgb(57, 126, 154);
/* oklch */ color: oklch(56.1% 0.081 227.6);

Tailwind

colors: {
  custom: {
    50: '#79a3b7',
    500: '#397e9a',
    950: '#000000',
  },
}

SCSS

$custom: #397e9a;
$custom-light: #79a3b7;
$custom-dark: #000000;

JSON

{
  "hex": "#397e9a",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 154
  },
  "hsl": {
    "h": 197.32,
    "s": 45.972,
    "l": 41.373
  },
  "oklch": {
    "l": 0.56057,
    "c": 0.08142,
    "h": 227.6
  },
  "luminance": 0.18125
}

Semantic roles & 50–950 ramp

primary

#397E9A

secondary

#B98976

accent

#7852D6

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #397E9A

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

Preview Lab → · Contrast checker → · Palette generator →