#397BA6#397BA6

#397BA6 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 55.9% C 0.095 H 240.1°. Best body text is #FFFFFF at 4.61:1 contrast (WCAG AA passes).

Color values

HEX	#397BA6
RGB	rgb(57, 123, 166)
HSL	hsl(204, 49%, 44%)
HSV	hsv(204, 66%, 65%)
CMYK	cmyk(65.7%, 25.9%, 0%, 34.9%)
CIE-LAB	lab(49.24, -7.14, -29.17)
CIE-LCH	lch(49.24, 30.03, 256.24°)
OKLab	oklab(55.9% -0.0472 -0.082)
OKLCH	oklch(55.9% 0.095 240.1)
XYZ	xyz(15.6506, 17.7873, 38.6775)
Luminance	0.1779 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BA6 #A66439

analogous

#39A69A #397BA6 #3944A6

triadic

#397BA6 #A6397B #7BA639

tetradic

#397BA6 #9A39A6 #A66439 #44A639

square

#397BA6 #9A39A6 #A66439 #44A639

split-complementary

#397BA6 #A63944 #A69A39

monochromatic

#1A374B #295978 #397BA6 #579AC5 #84B5D5

Accessibility & contrast

On white

4.61

#397BA6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.56

#397BA6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397BA6

4.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BA6	#FFFFFF	#000000	##FFFFFF
##397BA6	1.00	4.61	4.56	4.61
#FFFFFF	4.61	1.00	21.00	1.00
#000000	4.56	21.00	1.00	21.00
##FFFFFF	4.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677BA8

Deuteranopia (green-blind)

#5870A5

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397ba6;
/* rgb */ color: rgb(57, 123, 166);
/* oklch */ color: oklch(55.9% 0.095 240.1);

Tailwind

colors: {
  custom: {
    50: '#7ba1c0',
    500: '#397ba6',
    950: '#000000',
  },
}

SCSS

$custom: #397ba6;
$custom-light: #7ba1c0;
$custom-dark: #000000;

JSON

{
  "hex": "#397ba6",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 166
  },
  "hsl": {
    "h": 203.67,
    "s": 48.879,
    "l": 43.725
  },
  "oklch": {
    "l": 0.55901,
    "c": 0.09466,
    "h": 240.1
  },
  "luminance": 0.17789
}

Semantic roles & 50–950 ramp

primary

#397BA6

secondary

#BF967C

accent

#854FD8

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #397BA6

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

Preview Lab → · Contrast checker → · Palette generator →