#397CA4#397CA4

#397CA4 is a mid, moderate cyan. Relative luminance 0.180; OKLCH L 56.0% C 0.092 H 237.7°. Best body text is #000000 at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#397CA4
RGB	rgb(57, 124, 164)
HSL	hsl(202, 48%, 43%)
HSV	hsv(202, 65%, 64%)
CMYK	cmyk(65.2%, 24.4%, 0%, 35.7%)
CIE-LAB	lab(49.45, -8.40, -27.67)
CIE-LCH	lch(49.45, 28.91, 253.10°)
OKLab	oklab(56.04% -0.049 -0.0777)
OKLCH	oklch(56.04% 0.092 237.7)
XYZ	xyz(15.5933, 17.9639, 37.7604)
Luminance	0.1797 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CA4 #A46139

analogous

#39A496 #397CA4 #3946A4

triadic

#397CA4 #A4397C #7CA439

tetradic

#397CA4 #9639A4 #A46139 #46A439

square

#397CA4 #9639A4 #A46139 #46A439

split-complementary

#397CA4 #A43946 #A49639

monochromatic

#193749 #295A77 #397CA4 #569BC4 #83B6D4

Accessibility & contrast

On white

4.57

#397CA4 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.59

#397CA4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CA4

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CA4	#FFFFFF	#000000	##000000
##397CA4	1.00	4.57	4.59	4.59
#FFFFFF	4.57	1.00	21.00	21.00
#000000	4.59	21.00	1.00	1.00
##000000	4.59	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697CA6

Deuteranopia (green-blind)

#5B71A3

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397ca4;
/* rgb */ color: rgb(57, 124, 164);
/* oklch */ color: oklch(56.0% 0.092 237.7);

Tailwind

colors: {
  custom: {
    50: '#7ba1bf',
    500: '#397ca4',
    950: '#000000',
  },
}

SCSS

$custom: #397ca4;
$custom-light: #7ba1bf;
$custom-dark: #000000;

JSON

{
  "hex": "#397ca4",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 164
  },
  "hsl": {
    "h": 202.43,
    "s": 48.416,
    "l": 43.333
  },
  "oklch": {
    "l": 0.56042,
    "c": 0.09187,
    "h": 237.7
  },
  "luminance": 0.17965
}

Semantic roles & 50–950 ramp

primary

#397CA4

secondary

#BE947B

accent

#8350D8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397CA4

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

Preview Lab → · Contrast checker → · Palette generator →