#397FA3#397FA3

#397FA3 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.7% C 0.089 H 233.9°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#397FA3
RGB	rgb(57, 127, 163)
HSL	hsl(200, 48%, 43%)
HSV	hsv(200, 65%, 64%)
CMYK	cmyk(65%, 22.1%, 0%, 36.1%)
CIE-LAB	lab(50.32, -10.47, -25.73)
CIE-LCH	lch(50.32, 27.78, 247.87°)
OKLab	oklab(56.72% -0.0526 -0.0721)
OKLCH	oklch(56.72% 0.089 233.9)
XYZ	xyz(15.8850, 18.6913, 37.4139)
Luminance	0.1869 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FA3 #A35D39

analogous

#39A392 #397FA3 #394AA3

triadic

#397FA3 #A3397F #7FA339

tetradic

#397FA3 #9239A3 #A35D39 #4AA339

square

#397FA3 #9239A3 #A35D39 #4AA339

split-complementary

#397FA3 #A3394A #A39239

monochromatic

#193848 #295C76 #397FA3 #559EC4 #83B8D4

Accessibility & contrast

On white

4.43

#397FA3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#397FA3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FA3

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FA3	#FFFFFF	#000000	##000000
##397FA3	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6E7EA5

Deuteranopia (green-blind)

#5F73A2

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397fa3;
/* rgb */ color: rgb(57, 127, 163);
/* oklch */ color: oklch(56.7% 0.089 233.9);

Tailwind

colors: {
  custom: {
    50: '#7ba4be',
    500: '#397fa3',
    950: '#000000',
  },
}

SCSS

$custom: #397fa3;
$custom-light: #7ba4be;
$custom-dark: #000000;

JSON

{
  "hex": "#397fa3",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 163
  },
  "hsl": {
    "h": 200.377,
    "s": 48.182,
    "l": 43.137
  },
  "oklch": {
    "l": 0.56721,
    "c": 0.08928,
    "h": 233.9
  },
  "luminance": 0.18693
}

Semantic roles & 50–950 ramp

primary

#397FA3

secondary

#BD917A

accent

#7E50D8

background

#F7FAFB

surface

#EEF4F6

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #397FA3

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

Preview Lab → · Contrast checker → · Palette generator →