#397FC4#397FC4

#397FC4 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.5% C 0.127 H 250.7°. Best body text is #000000 at 5.01:1 contrast (WCAG AA passes).

Color values

HEX	#397FC4
RGB	rgb(57, 127, 196)
HSL	hsl(210, 55%, 50%)
HSV	hsv(210, 71%, 77%)
CMYK	cmyk(70.9%, 35.2%, 0%, 23.1%)
CIE-LAB	lab(51.87, 1.01, -42.32)
CIE-LCH	lch(51.87, 42.33, 271.36°)
OKLab	oklab(58.45% -0.0422 -0.1202)
OKLCH	oklch(58.45% 0.127 250.7)
XYZ	xyz(19.2368, 20.0320, 55.0666)
Luminance	0.2003 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FC4 #C47E39

analogous

#39C4C4 #397FC4 #393AC4

triadic

#397FC4 #C4397F #7FC439

tetradic

#397FC4 #C439C4 #C47E39 #3AC439

square

#397FC4 #C439C4 #C47E39 #3AC439

split-complementary

#397FC4 #C4393A #C4C439

monochromatic

#1D4265 #2B6095 #397FC4 #679DD3 #97BCE1

Accessibility & contrast

On white

4.19

#397FC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.01

#397FC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FC4

5.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FC4	#FFFFFF	#000000	##000000
##397FC4	1.00	4.19	5.01	5.01
#FFFFFF	4.19	1.00	21.00	21.00
#000000	5.01	21.00	1.00	1.00
##000000	5.01	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6083C7

Deuteranopia (green-blind)

#4C76C3

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #397fc4;
/* rgb */ color: rgb(57, 127, 196);
/* oklch */ color: oklch(58.5% 0.127 250.7);

Tailwind

colors: {
  custom: {
    50: '#80a3d6',
    500: '#397fc4',
    950: '#000000',
  },
}

SCSS

$custom: #397fc4;
$custom-light: #80a3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#397fc4",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 196
  },
  "hsl": {
    "h": 209.784,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58453,
    "c": 0.12743,
    "h": 250.7
  },
  "luminance": 0.20034
}

Semantic roles & 50–950 ramp

primary

#397FC4

secondary

#CCAC8D

accent

#934ADE

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #397FC4

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

Preview Lab → · Contrast checker → · Palette generator →