#397F90#397F90

#397F90 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 55.9% C 0.074 H 216.1°. Best body text is #000000 at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#397F90
RGB	rgb(57, 127, 144)
HSL	hsl(192, 43%, 39%)
HSV	hsv(192, 60%, 56%)
CMYK	cmyk(60.4%, 11.8%, 0%, 43.5%)
CIE-LAB	lab(49.57, -16.64, -15.79)
CIE-LCH	lch(49.57, 22.94, 223.50°)
OKLab	oklab(55.87% -0.0601 -0.0438)
OKLCH	oklch(55.87% 0.074 216.1)
XYZ	xyz(14.3087, 18.0608, 29.1122)
Luminance	0.1806 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397F90 #904A39

analogous

#399076 #397F90 #395490

triadic

#397F90 #90397F #7F9039

tetradic

#397F90 #763990 #904A39 #549039

square

#397F90 #763990 #904A39 #549039

split-complementary

#397F90 #903954 #907639

monochromatic

#163238 #285864 #397F90 #4DA4B9 #79BACA

Accessibility & contrast

On white

4.55

#397F90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.61

#397F90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397F90

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397F90	#FFFFFF	#000000	##000000
##397F90	1.00	4.55	4.61	4.61
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.61	21.00	1.00	1.00
##000000	4.61	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#737B91

Deuteranopia (green-blind)

#667290

Tritanopia (blue-blind)

#008584

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397f90;
/* rgb */ color: rgb(57, 127, 144);
/* oklch */ color: oklch(55.9% 0.074 216.1);

Tailwind

colors: {
  custom: {
    50: '#78a4b0',
    500: '#397f90',
    950: '#000000',
  },
}

SCSS

$custom: #397f90;
$custom-light: #78a4b0;
$custom-dark: #000000;

JSON

{
  "hex": "#397f90",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 144
  },
  "hsl": {
    "h": 191.724,
    "s": 43.284,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55869,
    "c": 0.07439,
    "h": 216.1
  },
  "luminance": 0.18062
}

Semantic roles & 50–950 ramp

primary

#397F90

secondary

#B37E71

accent

#6D55D3

background

#F7FAFA

surface

#EEF4F4

border

#C9CECE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #397F90

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

Preview Lab → · Contrast checker → · Palette generator →