#397BC5#397BC5

#397BC5 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.133 H 253.3°. Best body text is #000000 at 4.81:1 contrast (WCAG AA passes).

Color values

HEX	#397BC5
RGB	rgb(57, 123, 197)
HSL	hsl(212, 55%, 50%)
HSV	hsv(212, 71%, 77%)
CMYK	cmyk(71.1%, 37.6%, 0%, 22.7%)
CIE-LAB	lab(50.76, 3.78, -44.65)
CIE-LCH	lch(50.76, 44.81, 274.84°)
OKLab	oklab(57.6% -0.0381 -0.1271)
OKLCH	oklch(57.6% 0.133 253.3)
XYZ	xyz(18.8446, 19.0649, 55.4992)
Luminance	0.1907 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BC5 #C58339

analogous

#39C1C5 #397BC5 #3D39C5

triadic

#397BC5 #C5397B #7BC539

tetradic

#397BC5 #C539C1 #C58339 #39C53D

square

#397BC5 #C539C1 #C58339 #39C53D

split-complementary

#397BC5 #C53D39 #C1C539

monochromatic

#1E4066 #2B5D96 #397BC5 #689BD3 #97BAE1

Accessibility & contrast

On white

4.36

#397BC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.81

#397BC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BC5

4.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BC5	#FFFFFF	#000000	##000000
##397BC5	1.00	4.36	4.81	4.81
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.81	21.00	1.00	1.00
##000000	4.81	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5980C8

Deuteranopia (green-blind)

#4473C4

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397bc5;
/* rgb */ color: rgb(57, 123, 197);
/* oklch */ color: oklch(57.6% 0.133 253.3);

Tailwind

colors: {
  custom: {
    50: '#80a0d7',
    500: '#397bc5',
    950: '#000000',
  },
}

SCSS

$custom: #397bc5;
$custom-light: #80a0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#397bc5",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 197
  },
  "hsl": {
    "h": 211.714,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57601,
    "c": 0.13271,
    "h": 253.3
  },
  "luminance": 0.19067
}

Semantic roles & 50–950 ramp

primary

#397BC5

secondary

#CDAF8D

accent

#9849DE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397BC5

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

Preview Lab → · Contrast checker → · Palette generator →