#397CC8#397CC8

#397CC8 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.0% C 0.136 H 253.6°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#397CC8
RGB	rgb(57, 124, 200)
HSL	hsl(212, 57%, 50%)
HSV	hsv(212, 72%, 78%)
CMYK	cmyk(71.5%, 38%, 0%, 21.6%)
CIE-LAB	lab(51.21, 4.26, -45.65)
CIE-LCH	lch(51.21, 45.85, 275.33°)
OKLab	oklab(58.01% -0.0383 -0.13)
OKLCH	oklch(58.01% 0.136 253.6)
XYZ	xyz(19.3165, 19.4532, 57.3692)
Luminance	0.1946 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CC8 #C88539

analogous

#39C4C8 #397CC8 #3D39C8

triadic

#397CC8 #C8397C #7CC839

tetradic

#397CC8 #C839C4 #C88539 #39C83D

square

#397CC8 #C839C4 #C88539 #39C83D

split-complementary

#397CC8 #C83D39 #C4C839

monochromatic

#1D4169 #2B5E99 #397CC8 #699CD5 #99BBE3

Accessibility & contrast

On white

4.29

#397CC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#397CC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CC8

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CC8	#FFFFFF	#000000	##000000
##397CC8	1.00	4.29	4.89	4.89
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5981CB

Deuteranopia (green-blind)

#4374C6

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397cc8;
/* rgb */ color: rgb(57, 124, 200);
/* oklch */ color: oklch(58.0% 0.136 253.6);

Tailwind

colors: {
  custom: {
    50: '#81a1d9',
    500: '#397cc8',
    950: '#000000',
  },
}

SCSS

$custom: #397cc8;
$custom-light: #81a1d9;
$custom-dark: #000000;

JSON

{
  "hex": "#397cc8",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 200
  },
  "hsl": {
    "h": 211.888,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58005,
    "c": 0.13555,
    "h": 253.6
  },
  "luminance": 0.19455
}

Semantic roles & 50–950 ramp

primary

#397CC8

secondary

#CEB08F

accent

#9948E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #397CC8

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

Preview Lab → · Contrast checker → · Palette generator →