#397CC5#397CC5

#397CC5 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.132 H 252.7°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#397CC5
RGB	rgb(57, 124, 197)
HSL	hsl(211, 55%, 50%)
HSV	hsv(211, 71%, 77%)
CMYK	cmyk(71.1%, 37.1%, 0%, 22.7%)
CIE-LAB	lab(51.05, 3.17, -44.19)
CIE-LCH	lch(51.05, 44.31, 274.11°)
OKLab	oklab(57.83% -0.0391 -0.1257)
OKLCH	oklch(57.83% 0.132 252.7)
XYZ	xyz(18.9693, 19.3143, 55.5408)
Luminance	0.1932 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CC5 #C58239

analogous

#39C2C5 #397CC5 #3C39C5

triadic

#397CC5 #C5397C #7CC539

tetradic

#397CC5 #C539C2 #C58239 #39C53C

square

#397CC5 #C539C2 #C58239 #39C53C

split-complementary

#397CC5 #C53C39 #C2C539

monochromatic

#1E4066 #2B5E96 #397CC5 #689BD3 #97BBE1

Accessibility & contrast

On white

4.32

#397CC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#397CC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CC5

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CC5	#FFFFFF	#000000	##000000
##397CC5	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B81C8

Deuteranopia (green-blind)

#4674C4

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397cc5;
/* rgb */ color: rgb(57, 124, 197);
/* oklch */ color: oklch(57.8% 0.132 252.7);

Tailwind

colors: {
  custom: {
    50: '#80a1d7',
    500: '#397cc5',
    950: '#000000',
  },
}

SCSS

$custom: #397cc5;
$custom-light: #80a1d7;
$custom-dark: #000000;

JSON

{
  "hex": "#397cc5",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 197
  },
  "hsl": {
    "h": 211.286,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57828,
    "c": 0.13168,
    "h": 252.7
  },
  "luminance": 0.19316
}

Semantic roles & 50–950 ramp

primary

#397CC5

secondary

#CDAE8D

accent

#9749DE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397CC5

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

Preview Lab → · Contrast checker → · Palette generator →