#397B90#397B90

#397B90 is a mid, moderate cyan. Relative luminance 0.170; OKLCH L 54.9% C 0.074 H 221.6°. Best body text is #FFFFFF at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#397B90
RGB	rgb(57, 123, 144)
HSL	hsl(194, 43%, 39%)
HSV	hsv(194, 60%, 56%)
CMYK	cmyk(60.4%, 14.6%, 0%, 43.5%)
CIE-LAB	lab(48.32, -14.43, -17.70)
CIE-LCH	lch(48.32, 22.84, 230.80°)
OKLab	oklab(54.87% -0.0555 -0.0492)
OKLCH	oklch(54.87% 0.074 221.6)
XYZ	xyz(13.8024, 17.0480, 28.9434)
Luminance	0.1705 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397B90 #904E39

analogous

#39907A #397B90 #394F90

triadic

#397B90 #90397B #7B9039

tetradic

#397B90 #7A3990 #904E39 #4F9039

square

#397B90 #7A3990 #904E39 #4F9039

split-complementary

#397B90 #90394F #907A39

monochromatic

#163038 #285664 #397B90 #4D9FB9 #79B7CA

Accessibility & contrast

On white

4.76

#397B90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.41

#397B90 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #397B90

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397B90	#FFFFFF	#000000	##FFFFFF
##397B90	1.00	4.76	4.41	4.76
#FFFFFF	4.76	1.00	21.00	1.00
#000000	4.41	21.00	1.00	21.00
##FFFFFF	4.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6F7891

Deuteranopia (green-blind)

#626F90

Tritanopia (blue-blind)

#008282

Achromatopsia (no color)

#737373

Design tokens & code

CSS

--color: #397b90;
/* rgb */ color: rgb(57, 123, 144);
/* oklch */ color: oklch(54.9% 0.074 221.6);

Tailwind

colors: {
  custom: {
    50: '#78a1b0',
    500: '#397b90',
    950: '#000000',
  },
}

SCSS

$custom: #397b90;
$custom-light: #78a1b0;
$custom-dark: #000000;

JSON

{
  "hex": "#397b90",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 144
  },
  "hsl": {
    "h": 194.483,
    "s": 43.284,
    "l": 39.412
  },
  "oklch": {
    "l": 0.54869,
    "c": 0.07417,
    "h": 221.6
  },
  "luminance": 0.17049
}

Semantic roles & 50–950 ramp

primary

#397B90

secondary

#B38171

accent

#7355D3

background

#F7F9FA

surface

#EEF2F4

border

#C9CCCE

text

#090F10

muted

#7B7E7F

Preview Lab

Preview with #397B90

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

Preview Lab → · Contrast checker → · Palette generator →