#397AC4#397AC4

#397AC4 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.3% C 0.132 H 253.6°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#397AC4
RGB	rgb(57, 122, 196)
HSL	hsl(212, 55%, 50%)
HSV	hsv(212, 71%, 77%)
CMYK	cmyk(70.9%, 37.8%, 0%, 23.1%)
CIE-LAB	lab(50.42, 4.03, -44.63)
CIE-LCH	lch(50.42, 44.81, 275.16°)
OKLab	oklab(57.32% -0.0374 -0.127)
OKLCH	oklch(57.32% 0.132 253.6)
XYZ	xyz(18.6070, 18.7724, 54.8567)
Luminance	0.1877 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC4 #C48339

analogous

#39C0C4 #397AC4 #3D39C4

triadic

#397AC4 #C4397A #7AC439

tetradic

#397AC4 #C439C0 #C48339 #39C43D

square

#397AC4 #C439C0 #C48339 #39C43D

split-complementary

#397AC4 #C43D39 #C0C439

monochromatic

#1D3F65 #2B5C95 #397AC4 #679AD3 #97B9E1

Accessibility & contrast

On white

4.42

#397AC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#397AC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC4

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC4	#FFFFFF	#000000	##000000
##397AC4	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587FC7

Deuteranopia (green-blind)

#4372C3

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397ac4;
/* rgb */ color: rgb(57, 122, 196);
/* oklch */ color: oklch(57.3% 0.132 253.6);

Tailwind

colors: {
  custom: {
    50: '#80a0d6',
    500: '#397ac4',
    950: '#000000',
  },
}

SCSS

$custom: #397ac4;
$custom-light: #80a0d6;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac4",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 196
  },
  "hsl": {
    "h": 211.942,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.57316,
    "c": 0.13245,
    "h": 253.6
  },
  "luminance": 0.18774
}

Semantic roles & 50–950 ramp

primary

#397AC4

secondary

#CCAE8D

accent

#994ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397AC4

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

Preview Lab → · Contrast checker → · Palette generator →