#397AC7#397AC7

#397AC7 is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.5% C 0.136 H 254.4°. Best body text is #000000 at 4.78:1 contrast (WCAG AA passes).

Color values

HEX	#397AC7
RGB	rgb(57, 122, 199)
HSL	hsl(213, 56%, 50%)
HSV	hsv(213, 71%, 78%)
CMYK	cmyk(71.4%, 38.7%, 0%, 22%)
CIE-LAB	lab(50.58, 5.11, -46.08)
CIE-LCH	lch(50.58, 46.37, 276.33°)
OKLab	oklab(57.5% -0.0367 -0.1313)
OKLCH	oklch(57.5% 0.136 254.4)
XYZ	xyz(18.9519, 18.9104, 56.6730)
Luminance	0.1891 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC7 #C78639

analogous

#39C1C7 #397AC7 #3F39C7

triadic

#397AC7 #C7397A #7AC739

tetradic

#397AC7 #C739C1 #C78639 #39C73F

square

#397AC7 #C739C1 #C78639 #39C73F

split-complementary

#397AC7 #C73F39 #C1C739

monochromatic

#1D4068 #2B5D98 #397AC7 #699AD4 #98BAE2

Accessibility & contrast

On white

4.39

#397AC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.78

#397AC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC7

4.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC7	#FFFFFF	#000000	##000000
##397AC7	1.00	4.39	4.78	4.78
#FFFFFF	4.39	1.00	21.00	21.00
#000000	4.78	21.00	1.00	1.00
##000000	4.78	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5680CA

Deuteranopia (green-blind)

#4172C5

Tritanopia (blue-blind)

#008C97

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397ac7;
/* rgb */ color: rgb(57, 122, 199);
/* oklch */ color: oklch(57.5% 0.136 254.4);

Tailwind

colors: {
  custom: {
    50: '#80a0d8',
    500: '#397ac7',
    950: '#000000',
  },
}

SCSS

$custom: #397ac7;
$custom-light: #80a0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac7",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 199
  },
  "hsl": {
    "h": 212.535,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.57495,
    "c": 0.13635,
    "h": 254.4
  },
  "luminance": 0.18912
}

Semantic roles & 50–950 ramp

primary

#397AC7

secondary

#CEB18E

accent

#9A49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #397AC7

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

Preview Lab → · Contrast checker → · Palette generator →