#397BC4#397BC4

#397BC4 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.5% C 0.131 H 253.0°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#397BC4
RGB	rgb(57, 123, 196)
HSL	hsl(212, 55%, 50%)
HSV	hsv(212, 71%, 77%)
CMYK	cmyk(70.9%, 37.2%, 0%, 23.1%)
CIE-LAB	lab(50.71, 3.42, -44.17)
CIE-LCH	lch(50.71, 44.30, 274.43°)
OKLab	oklab(57.54% -0.0384 -0.1257)
OKLCH	oklch(57.54% 0.131 253)
XYZ	xyz(18.7304, 19.0193, 54.8978)
Luminance	0.1902 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BC4 #C48239

analogous

#39C1C4 #397BC4 #3D39C4

triadic

#397BC4 #C4397B #7BC439

tetradic

#397BC4 #C439C1 #C48239 #39C43D

square

#397BC4 #C439C1 #C48239 #39C43D

split-complementary

#397BC4 #C43D39 #C1C439

monochromatic

#1D3F65 #2B5D95 #397BC4 #679AD3 #97BAE1

Accessibility & contrast

On white

4.37

#397BC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#397BC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BC4

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BC4	#FFFFFF	#000000	##000000
##397BC4	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A80C7

Deuteranopia (green-blind)

#4573C3

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397bc4;
/* rgb */ color: rgb(57, 123, 196);
/* oklch */ color: oklch(57.5% 0.131 253.0);

Tailwind

colors: {
  custom: {
    50: '#80a0d6',
    500: '#397bc4',
    950: '#000000',
  },
}

SCSS

$custom: #397bc4;
$custom-light: #80a0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#397bc4",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 196
  },
  "hsl": {
    "h": 211.511,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57542,
    "c": 0.13142,
    "h": 253
  },
  "luminance": 0.19021
}

Semantic roles & 50–950 ramp

primary

#397BC4

secondary

#CCAE8D

accent

#984ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397BC4

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

Preview Lab → · Contrast checker → · Palette generator →