#397CA7#397CA7

#397CA7 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.2% C 0.095 H 239.7°. Best body text is #000000 at 4.62:1 contrast (WCAG AA passes).

Color values

HEX	#397CA7
RGB	rgb(57, 124, 167)
HSL	hsl(203, 49%, 44%)
HSV	hsv(203, 66%, 65%)
CMYK	cmyk(65.9%, 25.7%, 0%, 34.5%)
CIE-LAB	lab(49.59, -7.38, -29.21)
CIE-LCH	lch(49.59, 30.12, 255.81°)
OKLab	oklab(56.19% -0.048 -0.0821)
OKLCH	oklch(56.19% 0.095 239.7)
XYZ	xyz(15.8674, 18.0735, 39.2040)
Luminance	0.1807 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CA7 #A76439

analogous

#39A79B #397CA7 #3945A7

triadic

#397CA7 #A7397C #7CA739

tetradic

#397CA7 #9B39A7 #A76439 #45A739

square

#397CA7 #9B39A7 #A76439 #45A739

split-complementary

#397CA7 #A73945 #A79B39

monochromatic

#1A384C #295A79 #397CA7 #579BC6 #85B6D5

Accessibility & contrast

On white

4.55

#397CA7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.62

#397CA7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CA7

4.62:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CA7	#FFFFFF	#000000	##000000
##397CA7	1.00	4.55	4.62	4.62
#FFFFFF	4.55	1.00	21.00	21.00
#000000	4.62	21.00	1.00	1.00
##000000	4.62	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687CA9

Deuteranopia (green-blind)

#5971A6

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397ca7;
/* rgb */ color: rgb(57, 124, 167);
/* oklch */ color: oklch(56.2% 0.095 239.7);

Tailwind

colors: {
  custom: {
    50: '#7ba1c1',
    500: '#397ca7',
    950: '#000000',
  },
}

SCSS

$custom: #397ca7;
$custom-light: #7ba1c1;
$custom-dark: #000000;

JSON

{
  "hex": "#397ca7",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 167
  },
  "hsl": {
    "h": 203.455,
    "s": 49.107,
    "l": 43.922
  },
  "oklch": {
    "l": 0.56192,
    "c": 0.09512,
    "h": 239.7
  },
  "luminance": 0.18075
}

Semantic roles & 50–950 ramp

primary

#397CA7

secondary

#BF977D

accent

#854FD9

background

#F7F9FB

surface

#EEF2F7

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397CA7

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

Preview Lab → · Contrast checker → · Palette generator →