#397FA4#397FA4

#397FA4 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.090 H 234.6°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#397FA4
RGB	rgb(57, 127, 164)
HSL	hsl(201, 48%, 43%)
HSV	hsv(201, 65%, 64%)
CMYK	cmyk(65.2%, 22.6%, 0%, 35.7%)
CIE-LAB	lab(50.37, -10.13, -26.25)
CIE-LCH	lch(50.37, 28.13, 248.90°)
OKLab	oklab(56.77% -0.0523 -0.0736)
OKLCH	oklch(56.77% 0.09 234.6)
XYZ	xyz(15.9750, 18.7273, 37.8876)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FA4 #A45E39

analogous

#39A493 #397FA4 #3949A4

triadic

#397FA4 #A4397F #7FA439

tetradic

#397FA4 #9339A4 #A45E39 #49A439

square

#397FA4 #9339A4 #A45E39 #49A439

split-complementary

#397FA4 #A43949 #A49339

monochromatic

#193949 #295C77 #397FA4 #569EC4 #83B8D4

Accessibility & contrast

On white

4.42

#397FA4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#397FA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FA4

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FA4	#FFFFFF	#000000	##000000
##397FA4	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6D7EA6

Deuteranopia (green-blind)

#5E73A3

Tritanopia (blue-blind)

#00898B

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397fa4;
/* rgb */ color: rgb(57, 127, 164);
/* oklch */ color: oklch(56.8% 0.090 234.6);

Tailwind

colors: {
  custom: {
    50: '#7ba4bf',
    500: '#397fa4',
    950: '#000000',
  },
}

SCSS

$custom: #397fa4;
$custom-light: #7ba4bf;
$custom-dark: #000000;

JSON

{
  "hex": "#397fa4",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 164
  },
  "hsl": {
    "h": 200.748,
    "s": 48.416,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56769,
    "c": 0.09027,
    "h": 234.6
  },
  "luminance": 0.18729
}

Semantic roles & 50–950 ramp

primary

#397FA4

secondary

#BE927B

accent

#7F50D8

background

#F7FAFB

surface

#EEF4F7

border

#C9CED0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #397FA4

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

Preview Lab → · Contrast checker → · Palette generator →