#397D90#397D90

#397D90 is a mid, moderate cyan. Relative luminance 0.176; OKLCH L 55.4% C 0.074 H 218.8°. Best body text is #FFFFFF at 4.66:1 contrast (WCAG AA passes).

Color values

HEX	#397D90
RGB	rgb(57, 125, 144)
HSL	hsl(193, 43%, 39%)
HSV	hsv(193, 60%, 56%)
CMYK	cmyk(60.4%, 13.2%, 0%, 43.5%)
CIE-LAB	lab(48.94, -15.54, -16.75)
CIE-LCH	lch(48.94, 22.85, 227.13°)
OKLab	oklab(55.37% -0.0578 -0.0465)
OKLCH	oklch(55.37% 0.074 218.8)
XYZ	xyz(14.0530, 17.5493, 29.0269)
Luminance	0.1755 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397D90 #904C39

analogous

#399078 #397D90 #395290

triadic

#397D90 #90397D #7D9039

tetradic

#397D90 #783990 #904C39 #529039

square

#397D90 #783990 #904C39 #529039

split-complementary

#397D90 #903952 #907839

monochromatic

#163138 #285764 #397D90 #4DA1B9 #79B8CA

Accessibility & contrast

On white

4.66

#397D90 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.51

#397D90 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397D90

4.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397D90	#FFFFFF	#000000	##FFFFFF
##397D90	1.00	4.66	4.51	4.66
#FFFFFF	4.66	1.00	21.00	1.00
#000000	4.51	21.00	1.00	21.00
##FFFFFF	4.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#717A91

Deuteranopia (green-blind)

#647090

Tritanopia (blue-blind)

#008383

Achromatopsia (no color)

#747474

Design tokens & code

CSS

--color: #397d90;
/* rgb */ color: rgb(57, 125, 144);
/* oklch */ color: oklch(55.4% 0.074 218.8);

Tailwind

colors: {
  custom: {
    50: '#78a2b0',
    500: '#397d90',
    950: '#000000',
  },
}

SCSS

$custom: #397d90;
$custom-light: #78a2b0;
$custom-dark: #000000;

JSON

{
  "hex": "#397d90",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 144
  },
  "hsl": {
    "h": 193.103,
    "s": 43.284,
    "l": 39.412
  },
  "oklch": {
    "l": 0.55368,
    "c": 0.0742,
    "h": 218.8
  },
  "luminance": 0.17551
}

Semantic roles & 50–950 ramp

primary

#397D90

secondary

#B38071

accent

#7055D3

background

#F7FAFA

surface

#EEF3F4

border

#C9CDCE

text

#0A0F10

muted

#7C7F7F

Preview Lab

Preview with #397D90

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

Preview Lab → · Contrast checker → · Palette generator →