#397C8A#397C8A

#397C8A is a mid, moderate cyan. Relative luminance 0.171; OKLCH L 54.9% C 0.071 H 213.3°. Best body text is #FFFFFF at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#397C8A
RGB	rgb(57, 124, 138)
HSL	hsl(190, 42%, 38%)
HSV	hsv(190, 59%, 54%)
CMYK	cmyk(58.7%, 10.1%, 0%, 45.9%)
CIE-LAB	lab(48.41, -16.88, -14.03)
CIE-LCH	lch(48.41, 21.95, 219.74°)
OKLab	oklab(54.86% -0.0592 -0.0389)
OKLCH	oklch(54.86% 0.071 213.3)
XYZ	xyz(13.4806, 17.1188, 26.6337)
Luminance	0.1712 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397C8A #8A4739

analogous

#398A6F #397C8A #39548A

triadic

#397C8A #8A397C #7C8A39

tetradic

#397C8A #6F398A #8A4739 #548A39

square

#397C8A #6F398A #8A4739 #548A39

split-complementary

#397C8A #8A3954 #8A6F39

monochromatic

#152E33 #27555F #397C8A #4BA3B5 #77B9C7

Accessibility & contrast

On white

4.75

#397C8A on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.42

#397C8A on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397C8A

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397C8A	#FFFFFF	#000000	##FFFFFF
##397C8A	1.00	4.75	4.42	4.75
#FFFFFF	4.75	1.00	21.00	1.00
#000000	4.42	21.00	1.00	21.00
##FFFFFF	4.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#71788B

Deuteranopia (green-blind)

#656F8A

Tritanopia (blue-blind)

#008280

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #397c8a;
/* rgb */ color: rgb(57, 124, 138);
/* oklch */ color: oklch(54.9% 0.071 213.3);

Tailwind

colors: {
  custom: {
    50: '#77a2ac',
    500: '#397c8a',
    950: '#000000',
  },
}

SCSS

$custom: #397c8a;
$custom-light: #77a2ac;
$custom-dark: #000000;

JSON

{
  "hex": "#397c8a",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 138
  },
  "hsl": {
    "h": 190.37,
    "s": 41.538,
    "l": 38.235
  },
  "oklch": {
    "l": 0.54865,
    "c": 0.0708,
    "h": 213.3
  },
  "luminance": 0.1712
}

Semantic roles & 50–950 ramp

primary

#397C8A

secondary

#B07A6F

accent

#6C56D1

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #397C8A

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

Preview Lab → · Contrast checker → · Palette generator →