#397AC0#397AC0

#397AC0 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.1% C 0.127 H 252.4°. Best body text is #000000 at 4.72:1 contrast (WCAG AA passes).

Color values

HEX	#397AC0
RGB	rgb(57, 122, 192)
HSL	hsl(211, 54%, 49%)
HSV	hsv(211, 70%, 75%)
CMYK	cmyk(70.3%, 36.5%, 0%, 24.7%)
CIE-LAB	lab(50.21, 2.59, -42.67)
CIE-LCH	lch(50.21, 42.75, 273.48°)
OKLab	oklab(57.08% -0.0384 -0.1213)
OKLCH	oklch(57.08% 0.127 252.4)
XYZ	xyz(18.1578, 18.5927, 52.4908)
Luminance	0.1860 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC0 #C07F39

analogous

#39BEC0 #397AC0 #3C39C0

triadic

#397AC0 #C0397A #7AC039

tetradic

#397AC0 #C039BE #C07F39 #39C03C

square

#397AC0 #C039BE #C07F39 #39C03C

split-complementary

#397AC0 #C03C39 #BEC039

monochromatic

#1D3E62 #2B5C91 #397AC0 #6599D1 #94B8DF

Accessibility & contrast

On white

4.45

#397AC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.72

#397AC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC0

4.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC0	#FFFFFF	#000000	##000000
##397AC0	1.00	4.45	4.72	4.72
#FFFFFF	4.45	1.00	21.00	21.00
#000000	4.72	21.00	1.00	1.00
##000000	4.72	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7EC3

Deuteranopia (green-blind)

#4772BF

Tritanopia (blue-blind)

#008A94

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397ac0;
/* rgb */ color: rgb(57, 122, 192);
/* oklch */ color: oklch(57.1% 0.127 252.4);

Tailwind

colors: {
  custom: {
    50: '#7fa0d3',
    500: '#397ac0',
    950: '#000000',
  },
}

SCSS

$custom: #397ac0;
$custom-light: #7fa0d3;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac0",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 192
  },
  "hsl": {
    "h": 211.111,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.5708,
    "c": 0.12727,
    "h": 252.4
  },
  "luminance": 0.18595
}

Semantic roles & 50–950 ramp

primary

#397AC0

secondary

#CBAC8A

accent

#974ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397AC0

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

Preview Lab → · Contrast checker → · Palette generator →