#397AC6#397AC6

#397AC6 is a mid, vivid cyan. Relative luminance 0.189; OKLCH L 57.4% C 0.135 H 254.1°. Best body text is #000000 at 4.77:1 contrast (WCAG AA passes).

Color values

HEX	#397AC6
RGB	rgb(57, 122, 198)
HSL	hsl(212, 55%, 50%)
HSV	hsv(212, 71%, 78%)
CMYK	cmyk(71.2%, 38.4%, 0%, 22.4%)
CIE-LAB	lab(50.53, 4.75, -45.60)
CIE-LCH	lch(50.53, 45.85, 275.95°)
OKLab	oklab(57.44% -0.0369 -0.1299)
OKLCH	oklch(57.44% 0.135 254.1)
XYZ	xyz(18.8362, 18.8641, 56.0636)
Luminance	0.1887 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC6 #C68539

analogous

#39C1C6 #397AC6 #3E39C6

triadic

#397AC6 #C6397A #7AC639

tetradic

#397AC6 #C639C1 #C68539 #39C63E

square

#397AC6 #C639C1 #C68539 #39C63E

split-complementary

#397AC6 #C63E39 #C1C639

monochromatic

#1E3F67 #2B5D96 #397AC6 #699AD4 #98BAE1

Accessibility & contrast

On white

4.40

#397AC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.77

#397AC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC6

4.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC6	#FFFFFF	#000000	##000000
##397AC6	1.00	4.40	4.77	4.77
#FFFFFF	4.40	1.00	21.00	21.00
#000000	4.77	21.00	1.00	1.00
##000000	4.77	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#577FC9

Deuteranopia (green-blind)

#4272C4

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397ac6;
/* rgb */ color: rgb(57, 122, 198);
/* oklch */ color: oklch(57.4% 0.135 254.1);

Tailwind

colors: {
  custom: {
    50: '#80a0d8',
    500: '#397ac6',
    950: '#000000',
  },
}

SCSS

$custom: #397ac6;
$custom-light: #80a0d8;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac6",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 198
  },
  "hsl": {
    "h": 212.34,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.57435,
    "c": 0.13505,
    "h": 254.1
  },
  "luminance": 0.18866
}

Semantic roles & 50–950 ramp

primary

#397AC6

secondary

#CDB08E

accent

#9A49DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397AC6

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

Preview Lab → · Contrast checker → · Palette generator →