#397BA7#397BA7

#397BA7 is a mid, moderate cyan. Relative luminance 0.178; OKLCH L 56.0% C 0.096 H 240.7°. Best body text is #FFFFFF at 4.60:1 contrast (WCAG AA passes).

Color values

HEX	#397BA7
RGB	rgb(57, 123, 167)
HSL	hsl(204, 49%, 44%)
HSV	hsv(204, 66%, 65%)
CMYK	cmyk(65.9%, 26.3%, 0%, 34.5%)
CIE-LAB	lab(49.28, -6.80, -29.68)
CIE-LCH	lch(49.28, 30.45, 257.10°)
OKLab	oklab(55.95% -0.0469 -0.0835)
OKLCH	oklch(55.95% 0.096 240.7)
XYZ	xyz(15.7427, 17.8242, 39.1625)
Luminance	0.1783 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BA7 #A76539

analogous

#39A79C #397BA7 #3944A7

triadic

#397BA7 #A7397B #7BA739

tetradic

#397BA7 #9C39A7 #A76539 #44A739

square

#397BA7 #9C39A7 #A76539 #44A739

split-complementary

#397BA7 #A73944 #A79C39

monochromatic

#1A384C #295979 #397BA7 #579AC6 #85B5D5

Accessibility & contrast

On white

4.60

#397BA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#397BA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397BA7

4.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BA7	#FFFFFF	#000000	##FFFFFF
##397BA7	1.00	4.60	4.57	4.60
#FFFFFF	4.60	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#677BA9

Deuteranopia (green-blind)

#5870A6

Tritanopia (blue-blind)

#00868A

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397ba7;
/* rgb */ color: rgb(57, 123, 167);
/* oklch */ color: oklch(56.0% 0.096 240.7);

Tailwind

colors: {
  custom: {
    50: '#7ba1c1',
    500: '#397ba7',
    950: '#000000',
  },
}

SCSS

$custom: #397ba7;
$custom-light: #7ba1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#397ba7",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 167
  },
  "hsl": {
    "h": 204,
    "s": 49.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.55952,
    "c": 0.09577,
    "h": 240.7
  },
  "luminance": 0.17826
}

Semantic roles & 50–950 ramp

primary

#397BA7

secondary

#BF977D

accent

#864FD9

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0E12

muted

#7C7E81

Preview Lab

Preview with #397BA7

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

Preview Lab → · Contrast checker → · Palette generator →