#397EA9#397EA9

#397EA9 is a mid, moderate cyan. Relative luminance 0.187; OKLCH L 56.8% C 0.096 H 239.0°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#397EA9
RGB	rgb(57, 126, 169)
HSL	hsl(203, 50%, 44%)
HSV	hsv(203, 66%, 66%)
CMYK	cmyk(66.3%, 25.4%, 0%, 33.7%)
CIE-LAB	lab(50.28, -7.86, -29.28)
CIE-LCH	lch(50.28, 30.32, 254.98°)
OKLab	oklab(56.77% -0.0494 -0.0823)
OKLCH	oklch(56.77% 0.096 239)
XYZ	xyz(16.3069, 18.6544, 40.2697)
Luminance	0.1866 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EA9 #A96439

analogous

#39A99C #397EA9 #3946A9

triadic

#397EA9 #A9397E #7EA939

tetradic

#397EA9 #9C39A9 #A96439 #46A939

square

#397EA9 #9C39A9 #A96439 #46A939

split-complementary

#397EA9 #A93946 #A99C39

monochromatic

#1A3A4D #2A5C7B #397EA9 #589CC7 #86B7D6

Accessibility & contrast

On white

4.44

#397EA9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#397EA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EA9

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EA9	#FFFFFF	#000000	##000000
##397EA9	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7EAB

Deuteranopia (green-blind)

#5B73A8

Tritanopia (blue-blind)

#00898D

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397ea9;
/* rgb */ color: rgb(57, 126, 169);
/* oklch */ color: oklch(56.8% 0.096 239.0);

Tailwind

colors: {
  custom: {
    50: '#7ba3c2',
    500: '#397ea9',
    950: '#000000',
  },
}

SCSS

$custom: #397ea9;
$custom-light: #7ba3c2;
$custom-dark: #000000;

JSON

{
  "hex": "#397ea9",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 169
  },
  "hsl": {
    "h": 203.036,
    "s": 49.558,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56772,
    "c": 0.09604,
    "h": 239
  },
  "luminance": 0.18656
}

Semantic roles & 50–950 ramp

primary

#397EA9

secondary

#C0977E

accent

#844FD9

background

#F8FAFB

surface

#EFF3F7

border

#CACDD0

text

#0A0F12

muted

#7C7F81

Preview Lab

Preview with #397EA9

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

Preview Lab → · Contrast checker → · Palette generator →