#397AC8#397AC8

#397AC8 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.6% C 0.138 H 254.6°. Best body text is #000000 at 4.79:1 contrast (WCAG AA passes).

Color values

HEX	#397AC8
RGB	rgb(57, 122, 200)
HSL	hsl(213, 57%, 50%)
HSV	hsv(213, 72%, 78%)
CMYK	cmyk(71.5%, 39%, 0%, 21.6%)
CIE-LAB	lab(50.64, 5.48, -46.57)
CIE-LCH	lch(50.64, 46.89, 276.71°)
OKLab	oklab(57.56% -0.0365 -0.1327)
OKLCH	oklch(57.56% 0.138 254.6)
XYZ	xyz(19.0684, 18.9570, 57.2865)
Luminance	0.1896 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC8 #C88739

analogous

#39C2C8 #397AC8 #3F39C8

triadic

#397AC8 #C8397A #7AC839

tetradic

#397AC8 #C839C2 #C88739 #39C83F

square

#397AC8 #C839C2 #C88739 #39C83F

split-complementary

#397AC8 #C83F39 #C2C839

monochromatic

#1D4069 #2B5D99 #397AC8 #699AD5 #99BAE3

Accessibility & contrast

On white

4.38

#397AC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.79

#397AC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC8

4.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC8	#FFFFFF	#000000	##000000
##397AC8	1.00	4.38	4.79	4.79
#FFFFFF	4.38	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)

#5680CB

Deuteranopia (green-blind)

#4072C6

Tritanopia (blue-blind)

#008C97

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397ac8;
/* rgb */ color: rgb(57, 122, 200);
/* oklch */ color: oklch(57.6% 0.138 254.6);

Tailwind

colors: {
  custom: {
    50: '#81a0d9',
    500: '#397ac8',
    950: '#000000',
  },
}

SCSS

$custom: #397ac8;
$custom-light: #81a0d9;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac8",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 200
  },
  "hsl": {
    "h": 212.727,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.57556,
    "c": 0.13766,
    "h": 254.6
  },
  "luminance": 0.18959
}

Semantic roles & 50–950 ramp

primary

#397AC8

secondary

#CEB18F

accent

#9B48E0

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0C0E14

muted

#7D7E83

Preview Lab

Preview with #397AC8

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

Preview Lab → · Contrast checker → · Palette generator →