#397CA9#397CA9

#397CA9 is a mid, moderate cyan. Relative luminance 0.181; OKLCH L 56.3% C 0.097 H 240.9°. Best body text is #000000 at 4.63:1 contrast (WCAG AA passes).

Color values

HEX	#397CA9
RGB	rgb(57, 124, 169)
HSL	hsl(204, 50%, 44%)
HSV	hsv(204, 66%, 66%)
CMYK	cmyk(66.3%, 26.6%, 0%, 33.7%)
CIE-LAB	lab(49.68, -6.70, -30.23)
CIE-LCH	lch(49.68, 30.96, 257.51°)
OKLab	oklab(56.29% -0.0473 -0.0851)
OKLCH	oklch(56.29% 0.097 240.9)
XYZ	xyz(16.0537, 18.1481, 40.1853)
Luminance	0.1815 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CA9 #A96639

analogous

#39A99E #397CA9 #3944A9

triadic

#397CA9 #A9397C #7CA939

tetradic

#397CA9 #9E39A9 #A96639 #44A939

square

#397CA9 #9E39A9 #A96639 #44A939

split-complementary

#397CA9 #A93944 #A99E39

monochromatic

#1A394D #2A5A7B #397CA9 #589AC7 #86B6D6

Accessibility & contrast

On white

4.54

#397CA9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.63

#397CA9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CA9

4.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CA9	#FFFFFF	#000000	##000000
##397CA9	1.00	4.54	4.63	4.63
#FFFFFF	4.54	1.00	21.00	21.00
#000000	4.63	21.00	1.00	1.00
##000000	4.63	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#687CAB

Deuteranopia (green-blind)

#5871A8

Tritanopia (blue-blind)

#00878B

Achromatopsia (no color)

#767676

Design tokens & code

CSS

--color: #397ca9;
/* rgb */ color: rgb(57, 124, 169);
/* oklch */ color: oklch(56.3% 0.097 240.9);

Tailwind

colors: {
  custom: {
    50: '#7ba1c2',
    500: '#397ca9',
    950: '#000000',
  },
}

SCSS

$custom: #397ca9;
$custom-light: #7ba1c2;
$custom-dark: #000000;

JSON

{
  "hex": "#397ca9",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 169
  },
  "hsl": {
    "h": 204.107,
    "s": 49.558,
    "l": 44.314
  },
  "oklch": {
    "l": 0.56293,
    "c": 0.09735,
    "h": 240.9
  },
  "luminance": 0.1815
}

Semantic roles & 50–950 ramp

primary

#397CA9

secondary

#C0987E

accent

#864FD9

background

#F8F9FB

surface

#EFF2F7

border

#CACCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397CA9

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

Preview Lab → · Contrast checker → · Palette generator →