#397AC3#397AC3

#397AC3 is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.3% C 0.131 H 253.3°. Best body text is #000000 at 4.75:1 contrast (WCAG AA passes).

Color values

HEX	#397AC3
RGB	rgb(57, 122, 195)
HSL	hsl(212, 55%, 49%)
HSV	hsv(212, 71%, 76%)
CMYK	cmyk(70.8%, 37.4%, 0%, 23.5%)
CIE-LAB	lab(50.37, 3.67, -44.14)
CIE-LCH	lch(50.37, 44.29, 274.75°)
OKLab	oklab(57.26% -0.0377 -0.1256)
OKLCH	oklch(57.26% 0.131 253.3)
XYZ	xyz(18.4936, 18.7271, 54.2592)
Luminance	0.1873 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC3 #C38239

analogous

#39BFC3 #397AC3 #3D39C3

triadic

#397AC3 #C3397A #7AC339

tetradic

#397AC3 #C339BF #C38239 #39C33D

square

#397AC3 #C339BF #C38239 #39C33D

split-complementary

#397AC3 #C33D39 #BFC339

monochromatic

#1D3F64 #2B5C94 #397AC3 #6799D2 #96B9E0

Accessibility & contrast

On white

4.42

#397AC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.75

#397AC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC3

4.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC3	#FFFFFF	#000000	##000000
##397AC3	1.00	4.42	4.75	4.75
#FFFFFF	4.42	1.00	21.00	21.00
#000000	4.75	21.00	1.00	1.00
##000000	4.75	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597FC6

Deuteranopia (green-blind)

#4472C2

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397ac3;
/* rgb */ color: rgb(57, 122, 195);
/* oklch */ color: oklch(57.3% 0.131 253.3);

Tailwind

colors: {
  custom: {
    50: '#80a0d5',
    500: '#397ac3',
    950: '#000000',
  },
}

SCSS

$custom: #397ac3;
$custom-light: #80a0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac3",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 195
  },
  "hsl": {
    "h": 211.739,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57257,
    "c": 0.13115,
    "h": 253.3
  },
  "luminance": 0.18729
}

Semantic roles & 50–950 ramp

primary

#397AC3

secondary

#CCAE8C

accent

#984ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397AC3

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

Preview Lab → · Contrast checker → · Palette generator →