#397EC0#397EC0

#397EC0 is a mid, vivid cyan. Relative luminance 0.196; OKLCH L 58.0% C 0.123 H 249.9°. Best body text is #000000 at 4.92:1 contrast (WCAG AA passes).

Color values

HEX	#397EC0
RGB	rgb(57, 126, 192)
HSL	hsl(209, 54%, 49%)
HSV	hsv(209, 70%, 75%)
CMYK	cmyk(70.3%, 34.4%, 0%, 24.7%)
CIE-LAB	lab(51.38, 0.18, -40.82)
CIE-LCH	lch(51.38, 40.82, 270.25°)
OKLab	oklab(58% -0.0423 -0.1159)
OKLCH	oklch(58% 0.123 249.9)
XYZ	xyz(18.6591, 19.5953, 52.6579)
Luminance	0.1960 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EC0 #C07B39

analogous

#39C0BF #397EC0 #393BC0

triadic

#397EC0 #C0397E #7EC039

tetradic

#397EC0 #BF39C0 #C07B39 #3BC039

square

#397EC0 #BF39C0 #C07B39 #3BC039

split-complementary

#397EC0 #C0393B #C0BF39

monochromatic

#1D4062 #2B5F91 #397EC0 #659CD1 #94BBDF

Accessibility & contrast

On white

4.27

#397EC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.92

#397EC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EC0

4.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EC0	#FFFFFF	#000000	##000000
##397EC0	1.00	4.27	4.92	4.92
#FFFFFF	4.27	1.00	21.00	21.00
#000000	4.92	21.00	1.00	1.00
##000000	4.92	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6081C3

Deuteranopia (green-blind)

#4D75BF

Tritanopia (blue-blind)

#008E96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397ec0;
/* rgb */ color: rgb(57, 126, 192);
/* oklch */ color: oklch(58.0% 0.123 249.9);

Tailwind

colors: {
  custom: {
    50: '#7fa3d3',
    500: '#397ec0',
    950: '#000000',
  },
}

SCSS

$custom: #397ec0;
$custom-light: #7fa3d3;
$custom-dark: #000000;

JSON

{
  "hex": "#397ec0",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 192
  },
  "hsl": {
    "h": 209.333,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57997,
    "c": 0.12335,
    "h": 249.9
  },
  "luminance": 0.19597
}

Semantic roles & 50–950 ramp

primary

#397EC0

secondary

#CBAA8A

accent

#924ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #397EC0

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

Preview Lab → · Contrast checker → · Palette generator →