#397DC8#397DC8

#397DC8 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.2% C 0.135 H 253.0°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#397DC8
RGB	rgb(57, 125, 200)
HSL	hsl(211, 57%, 50%)
HSV	hsv(211, 72%, 78%)
CMYK	cmyk(71.5%, 37.5%, 0%, 21.6%)
CIE-LAB	lab(51.50, 3.65, -45.19)
CIE-LCH	lch(51.50, 45.34, 274.61°)
OKLab	oklab(58.23% -0.0393 -0.1287)
OKLCH	oklch(58.23% 0.135 253)
XYZ	xyz(19.4424, 19.7051, 57.4112)
Luminance	0.1971 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DC8 #C88439

analogous

#39C4C8 #397DC8 #3D39C8

triadic

#397DC8 #C8397D #7DC839

tetradic

#397DC8 #C839C4 #C88439 #39C83D

square

#397DC8 #C839C4 #C88439 #39C83D

split-complementary

#397DC8 #C83D39 #C4C839

monochromatic

#1D4169 #2B5F99 #397DC8 #699CD5 #99BCE3

Accessibility & contrast

On white

4.25

#397DC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#397DC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DC8

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DC8	#FFFFFF	#000000	##000000
##397DC8	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B82CB

Deuteranopia (green-blind)

#4575C7

Tritanopia (blue-blind)

#008F99

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397dc8;
/* rgb */ color: rgb(57, 125, 200);
/* oklch */ color: oklch(58.2% 0.135 253.0);

Tailwind

colors: {
  custom: {
    50: '#81a2d9',
    500: '#397dc8',
    950: '#000000',
  },
}

SCSS

$custom: #397dc8;
$custom-light: #81a2d9;
$custom-dark: #000000;

JSON

{
  "hex": "#397dc8",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 200
  },
  "hsl": {
    "h": 211.469,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58231,
    "c": 0.13453,
    "h": 253
  },
  "luminance": 0.19707
}

Semantic roles & 50–950 ramp

primary

#397DC8

secondary

#CEB08F

accent

#9848E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0F14

muted

#7D7E83

Preview Lab

Preview with #397DC8

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

Preview Lab → · Contrast checker → · Palette generator →