#397EC7#397EC7

#397EC7 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.4% C 0.132 H 252.2°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#397EC7
RGB	rgb(57, 126, 199)
HSL	hsl(211, 56%, 50%)
HSV	hsv(211, 71%, 78%)
CMYK	cmyk(71.4%, 36.7%, 0%, 22%)
CIE-LAB	lab(51.74, 2.68, -44.25)
CIE-LCH	lch(51.74, 44.33, 273.47°)
OKLab	oklab(58.4% -0.0405 -0.1259)
OKLCH	oklch(58.4% 0.132 252.2)
XYZ	xyz(19.4532, 19.9130, 56.8401)
Luminance	0.1991 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EC7 #C78239

analogous

#39C5C7 #397EC7 #3B39C7

triadic

#397EC7 #C7397E #7EC739

tetradic

#397EC7 #C739C5 #C78239 #39C73B

square

#397EC7 #C739C5 #C78239 #39C73B

split-complementary

#397EC7 #C73B39 #C5C739

monochromatic

#1D4268 #2B6098 #397EC7 #699DD4 #98BCE2

Accessibility & contrast

On white

4.21

#397EC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#397EC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EC7

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EC7	#FFFFFF	#000000	##000000
##397EC7	1.00	4.21	4.98	4.98
#FFFFFF	4.21	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D83CA

Deuteranopia (green-blind)

#4875C6

Tritanopia (blue-blind)

#008F99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397ec7;
/* rgb */ color: rgb(57, 126, 199);
/* oklch */ color: oklch(58.4% 0.132 252.2);

Tailwind

colors: {
  custom: {
    50: '#80a3d8',
    500: '#397ec7',
    950: '#000000',
  },
}

SCSS

$custom: #397ec7;
$custom-light: #80a3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#397ec7",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 199
  },
  "hsl": {
    "h": 210.845,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58399,
    "c": 0.13223,
    "h": 252.2
  },
  "luminance": 0.19915
}

Semantic roles & 50–950 ramp

primary

#397EC7

secondary

#CEAF8E

accent

#9649DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #397EC7

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

Preview Lab → · Contrast checker → · Palette generator →