#397AC1#397AC1

#397AC1 is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.1% C 0.129 H 252.7°. Best body text is #000000 at 4.73:1 contrast (WCAG AA passes).

Color values

HEX	#397AC1
RGB	rgb(57, 122, 193)
HSL	hsl(211, 54%, 49%)
HSV	hsv(211, 70%, 76%)
CMYK	cmyk(70.5%, 36.8%, 0%, 24.3%)
CIE-LAB	lab(50.26, 2.95, -43.16)
CIE-LCH	lch(50.26, 43.26, 273.91°)
OKLab	oklab(57.14% -0.0382 -0.1228)
OKLCH	oklch(57.14% 0.129 252.7)
XYZ	xyz(18.2689, 18.6372, 53.0763)
Luminance	0.1864 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC1 #C18039

analogous

#39BEC1 #397AC1 #3C39C1

triadic

#397AC1 #C1397A #7AC139

tetradic

#397AC1 #C139BE #C18039 #39C13C

square

#397AC1 #C139BE #C18039 #39C13C

split-complementary

#397AC1 #C13C39 #BEC139

monochromatic

#1D3E63 #2B5C92 #397AC1 #6699D2 #95B9E0

Accessibility & contrast

On white

4.44

#397AC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.73

#397AC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC1

4.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC1	#FFFFFF	#000000	##000000
##397AC1	1.00	4.44	4.73	4.73
#FFFFFF	4.44	1.00	21.00	21.00
#000000	4.73	21.00	1.00	1.00
##000000	4.73	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A7FC4

Deuteranopia (green-blind)

#4672C0

Tritanopia (blue-blind)

#008B94

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397ac1;
/* rgb */ color: rgb(57, 122, 193);
/* oklch */ color: oklch(57.1% 0.129 252.7);

Tailwind

colors: {
  custom: {
    50: '#7fa0d4',
    500: '#397ac1',
    950: '#000000',
  },
}

SCSS

$custom: #397ac1;
$custom-light: #7fa0d4;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac1",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 193
  },
  "hsl": {
    "h": 211.324,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57139,
    "c": 0.12856,
    "h": 252.7
  },
  "luminance": 0.18639
}

Semantic roles & 50–950 ramp

primary

#397AC1

secondary

#CBAC8B

accent

#974ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397AC1

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

Preview Lab → · Contrast checker → · Palette generator →