#397BC2#397BC2

#397BC2 is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.4% C 0.129 H 252.4°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#397BC2
RGB	rgb(57, 123, 194)
HSL	hsl(211, 55%, 49%)
HSV	hsv(211, 71%, 76%)
CMYK	cmyk(70.6%, 36.6%, 0%, 23.9%)
CIE-LAB	lab(50.60, 2.70, -43.19)
CIE-LCH	lch(50.60, 43.27, 273.58°)
OKLab	oklab(57.43% -0.0389 -0.1228)
OKLCH	oklch(57.43% 0.129 252.4)
XYZ	xyz(18.5043, 18.9288, 53.7069)
Luminance	0.1893 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BC2 #C28039

analogous

#39C0C2 #397BC2 #3C39C2

triadic

#397BC2 #C2397B #7BC239

tetradic

#397BC2 #C239C0 #C28039 #39C23C

square

#397BC2 #C239C0 #C28039 #39C23C

split-complementary

#397BC2 #C23C39 #C0C239

monochromatic

#1D3F63 #2B5D93 #397BC2 #669AD2 #95B9E0

Accessibility & contrast

On white

4.39

#397BC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#397BC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BC2

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BC2	#FFFFFF	#000000	##000000
##397BC2	1.00	4.39	4.79	4.79
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.79	21.00	1.00	1.00
##000000	4.79	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7FC5

Deuteranopia (green-blind)

#4773C1

Tritanopia (blue-blind)

#008C95

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397bc2;
/* rgb */ color: rgb(57, 123, 194);
/* oklch */ color: oklch(57.4% 0.129 252.4);

Tailwind

colors: {
  custom: {
    50: '#7fa0d5',
    500: '#397bc2',
    950: '#000000',
  },
}

SCSS

$custom: #397bc2;
$custom-light: #7fa0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#397bc2",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 194
  },
  "hsl": {
    "h": 211.095,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57425,
    "c": 0.12884,
    "h": 252.4
  },
  "luminance": 0.18931
}

Semantic roles & 50–950 ramp

primary

#397BC2

secondary

#CBAD8B

accent

#974ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397BC2

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

Preview Lab → · Contrast checker → · Palette generator →