#397EC4#397EC4

#397EC4 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.2% C 0.128 H 251.3°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#397EC4
RGB	rgb(57, 126, 196)
HSL	hsl(210, 55%, 50%)
HSV	hsv(210, 71%, 77%)
CMYK	cmyk(70.9%, 35.7%, 0%, 23.1%)
CIE-LAB	lab(51.58, 1.61, -42.78)
CIE-LCH	lch(51.58, 42.81, 272.15°)
OKLab	oklab(58.23% -0.0412 -0.1216)
OKLCH	oklch(58.23% 0.128 251.3)
XYZ	xyz(19.1083, 19.7750, 55.0238)
Luminance	0.1978 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EC4 #C47F39

analogous

#39C4C4 #397EC4 #3A39C4

triadic

#397EC4 #C4397E #7EC439

tetradic

#397EC4 #C439C4 #C47F39 #39C43A

square

#397EC4 #C439C4 #C47F39 #39C43A

split-complementary

#397EC4 #C43A39 #C4C439

monochromatic

#1D4165 #2B6095 #397EC4 #679DD3 #97BBE1

Accessibility & contrast

On white

4.24

#397EC4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#397EC4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EC4

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EC4	#FFFFFF	#000000	##000000
##397EC4	1.00	4.24	4.96	4.96
#FFFFFF	4.24	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E82C7

Deuteranopia (green-blind)

#4A75C3

Tritanopia (blue-blind)

#008E98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397ec4;
/* rgb */ color: rgb(57, 126, 196);
/* oklch */ color: oklch(58.2% 0.128 251.3);

Tailwind

colors: {
  custom: {
    50: '#80a3d6',
    500: '#397ec4',
    950: '#000000',
  },
}

SCSS

$custom: #397ec4;
$custom-light: #80a3d6;
$custom-dark: #000000;

JSON

{
  "hex": "#397ec4",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 196
  },
  "hsl": {
    "h": 210.216,
    "s": 54.941,
    "l": 49.608
  },
  "oklch": {
    "l": 0.58225,
    "c": 0.12841,
    "h": 251.3
  },
  "luminance": 0.19777
}

Semantic roles & 50–950 ramp

primary

#397EC4

secondary

#CCAD8D

accent

#944ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #397EC4

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

Preview Lab → · Contrast checker → · Palette generator →