#397E9C#397E9C

#397E9C is a mid, moderate cyan. Relative luminance 0.182; OKLCH L 56.1% C 0.083 H 229.3°. Best body text is #000000 at 4.64:1 contrast (WCAG AA passes).

Color values

HEX	#397E9C
RGB	rgb(57, 126, 156)
HSL	hsl(198, 46%, 42%)
HSV	hsv(198, 63%, 61%)
CMYK	cmyk(63.5%, 19.2%, 0%, 38.8%)
CIE-LAB	lab(49.73, -12.22, -22.58)
CIE-LCH	lch(49.73, 25.67, 241.57°)
OKLab	oklab(56.15% -0.0542 -0.0631)
OKLCH	oklch(56.15% 0.083 229.3)
XYZ	xyz(15.1466, 18.1903, 34.1589)
Luminance	0.1819 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397E9C #9C5739

analogous

#399C89 #397E9C #394D9C

triadic

#397E9C #9C397E #7E9C39

tetradic

#397E9C #89399C #9C5739 #4D9C39

square

#397E9C #89399C #9C5739 #4D9C39

split-complementary

#397E9C #9C394D #9C8939

monochromatic

#183642 #295A6F #397E9C #529FC0 #7FB8D0

Accessibility & contrast

On white

4.53

#397E9C on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.64

#397E9C on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397E9C

4.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397E9C	#FFFFFF	#000000	##000000
##397E9C	1.00	4.53	4.64	4.64
#FFFFFF	4.53	1.00	21.00	21.00
#000000	4.64	21.00	1.00	1.00
##000000	4.64	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7C9E

Deuteranopia (green-blind)

#61729C

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397e9c;
/* rgb */ color: rgb(57, 126, 156);
/* oklch */ color: oklch(56.1% 0.083 229.3);

Tailwind

colors: {
  custom: {
    50: '#7aa3b9',
    500: '#397e9c',
    950: '#000000',
  },
}

SCSS

$custom: #397e9c;
$custom-light: #7aa3b9;
$custom-dark: #000000;

JSON

{
  "hex": "#397e9c",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 156
  },
  "hsl": {
    "h": 198.182,
    "s": 46.479,
    "l": 41.765
  },
  "oklch": {
    "l": 0.56148,
    "c": 0.08314,
    "h": 229.3
  },
  "luminance": 0.18192
}

Semantic roles & 50–950 ramp

primary

#397E9C

secondary

#BA8B77

accent

#7A52D6

background

#F7FAFB

surface

#EEF3F6

border

#C9CDD0

text

#0A0F11

muted

#7C7F80

Preview Lab

Preview with #397E9C

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

Preview Lab → · Contrast checker → · Palette generator →