#397FA9#397FA9

#397FA9 is a mid, moderate cyan. Relative luminance 0.189; OKLCH L 57.0% C 0.095 H 238.0°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#397FA9
RGB	rgb(57, 127, 169)
HSL	hsl(203, 50%, 44%)
HSV	hsv(203, 66%, 66%)
CMYK	cmyk(66.3%, 24.9%, 0%, 33.7%)
CIE-LAB	lab(50.58, -8.44, -28.81)
CIE-LCH	lch(50.58, 30.02, 253.68°)
OKLab	oklab(57.01% -0.0505 -0.081)
OKLCH	oklch(57.01% 0.095 238)
XYZ	xyz(16.4354, 18.9115, 40.3125)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FA9 #A96339

analogous

#39A99B #397FA9 #3947A9

triadic

#397FA9 #A9397F #7FA939

tetradic

#397FA9 #9B39A9 #A96339 #47A939

square

#397FA9 #9B39A9 #A96339 #47A939

split-complementary

#397FA9 #A93947 #A99B39

monochromatic

#1A3A4D #2A5D7B #397FA9 #589DC7 #86B8D6

Accessibility & contrast

On white

4.39

#397FA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#397FA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FA9

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FA9	#FFFFFF	#000000	##000000
##397FA9	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6B7FAB

Deuteranopia (green-blind)

#5C73A8

Tritanopia (blue-blind)

#008A8D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397fa9;
/* rgb */ color: rgb(57, 127, 169);
/* oklch */ color: oklch(57.0% 0.095 238.0);

Tailwind

colors: {
  custom: {
    50: '#7ba4c2',
    500: '#397fa9',
    950: '#000000',
  },
}

SCSS

$custom: #397fa9;
$custom-light: #7ba4c2;
$custom-dark: #000000;

JSON

{
  "hex": "#397fa9",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 169
  },
  "hsl": {
    "h": 202.5,
    "s": 49.558,
    "l": 44.314
  },
  "oklch": {
    "l": 0.57012,
    "c": 0.09543,
    "h": 238
  },
  "luminance": 0.18913
}

Semantic roles & 50–950 ramp

primary

#397FA9

secondary

#C0977E

accent

#834FD9

background

#F8FAFB

surface

#EFF3F7

border

#CACDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #397FA9

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

Preview Lab → · Contrast checker → · Palette generator →