#397BC8#397BC8

#397BC8 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.8% C 0.137 H 254.1°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#397BC8
RGB	rgb(57, 123, 200)
HSL	hsl(212, 57%, 50%)
HSV	hsv(212, 72%, 78%)
CMYK	cmyk(71.5%, 38.5%, 0%, 21.6%)
CIE-LAB	lab(50.92, 4.87, -46.11)
CIE-LCH	lch(50.92, 46.37, 276.02°)
OKLab	oklab(57.78% -0.0374 -0.1314)
OKLCH	oklch(57.78% 0.137 254.1)
XYZ	xyz(19.1918, 19.2038, 57.3276)
Luminance	0.1921 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BC8 #C88639

analogous

#39C2C8 #397BC8 #3E39C8

triadic

#397BC8 #C8397B #7BC839

tetradic

#397BC8 #C839C2 #C88639 #39C83E

square

#397BC8 #C839C2 #C88639 #39C83E

split-complementary

#397BC8 #C83E39 #C2C839

monochromatic

#1D4069 #2B5E99 #397BC8 #699BD5 #99BBE3

Accessibility & contrast

On white

4.34

#397BC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#397BC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BC8

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BC8	#FFFFFF	#000000	##000000
##397BC8	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5781CB

Deuteranopia (green-blind)

#4273C6

Tritanopia (blue-blind)

#008D98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397bc8;
/* rgb */ color: rgb(57, 123, 200);
/* oklch */ color: oklch(57.8% 0.137 254.1);

Tailwind

colors: {
  custom: {
    50: '#81a0d9',
    500: '#397bc8',
    950: '#000000',
  },
}

SCSS

$custom: #397bc8;
$custom-light: #81a0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#397bc8",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 200
  },
  "hsl": {
    "h": 212.308,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.5778,
    "c": 0.1366,
    "h": 254.1
  },
  "luminance": 0.19206
}

Semantic roles & 50–950 ramp

primary

#397BC8

secondary

#CEB18F

accent

#9A48E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #397BC8

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

Preview Lab → · Contrast checker → · Palette generator →