#397DA9#397DA9

#397DA9 is a mid, moderate cyan. Relative luminance 0.184; OKLCH L 56.5% C 0.097 H 240.0°. Best body text is #000000 at 4.68:1 contrast (WCAG AA passes).

Color values

HEX	#397DA9
RGB	rgb(57, 125, 169)
HSL	hsl(204, 50%, 44%)
HSV	hsv(204, 66%, 66%)
CMYK	cmyk(66.3%, 26%, 0%, 33.7%)
CIE-LAB	lab(49.98, -7.28, -29.76)
CIE-LCH	lch(49.98, 30.63, 256.25°)
OKLab	oklab(56.53% -0.0484 -0.0837)
OKLCH	oklch(56.53% 0.097 240)
XYZ	xyz(16.1797, 18.4000, 40.2273)
Luminance	0.1840 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DA9 #A96539

analogous

#39A99D #397DA9 #3945A9

triadic

#397DA9 #A9397D #7DA939

tetradic

#397DA9 #9D39A9 #A96539 #45A939

square

#397DA9 #9D39A9 #A96539 #45A939

split-complementary

#397DA9 #A93945 #A99D39

monochromatic

#1A394D #2A5B7B #397DA9 #589BC7 #86B7D6

Accessibility & contrast

On white

4.49

#397DA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.68

#397DA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DA9

4.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DA9	#FFFFFF	#000000	##000000
##397DA9	1.00	4.49	4.68	4.68
#FFFFFF	4.49	1.00	21.00	21.00
#000000	4.68	21.00	1.00	1.00
##000000	4.68	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#697DAB

Deuteranopia (green-blind)

#5A72A8

Tritanopia (blue-blind)

#00888C

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397da9;
/* rgb */ color: rgb(57, 125, 169);
/* oklch */ color: oklch(56.5% 0.097 240.0);

Tailwind

colors: {
  custom: {
    50: '#7ba2c2',
    500: '#397da9',
    950: '#000000',
  },
}

SCSS

$custom: #397da9;
$custom-light: #7ba2c2;
$custom-dark: #000000;

JSON

{
  "hex": "#397da9",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 169
  },
  "hsl": {
    "h": 203.571,
    "s": 49.558,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56532,
    "c": 0.09668,
    "h": 240
  },
  "luminance": 0.18402
}

Semantic roles & 50–950 ramp

primary

#397DA9

secondary

#C0987E

accent

#854FD9

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397DA9

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

Preview Lab → · Contrast checker → · Palette generator →