#397AC9#397AC9

#397AC9 is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.6% C 0.139 H 254.9°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#397AC9
RGB	rgb(57, 122, 201)
HSL	hsl(213, 57%, 51%)
HSV	hsv(213, 72%, 79%)
CMYK	cmyk(71.6%, 39.3%, 0%, 21.2%)
CIE-LAB	lab(50.69, 5.84, -47.05)
CIE-LCH	lch(50.69, 47.41, 277.07°)
OKLab	oklab(57.62% -0.0362 -0.1342)
OKLCH	oklch(57.62% 0.139 254.9)
XYZ	xyz(19.1856, 19.0039, 57.9040)
Luminance	0.1901 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC9 #C98839

analogous

#39C2C9 #397AC9 #4039C9

triadic

#397AC9 #C9397A #7AC939

tetradic

#397AC9 #C939C2 #C98839 #39C940

square

#397AC9 #C939C2 #C98839 #39C940

split-complementary

#397AC9 #C94039 #C2C939

monochromatic

#1D406B #2A5D9B #397AC9 #699AD6 #99BBE3

Accessibility & contrast

On white

4.37

#397AC9 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#397AC9 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC9

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC9	#FFFFFF	#000000	##000000
##397AC9	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5580CC

Deuteranopia (green-blind)

#3F73C7

Tritanopia (blue-blind)

#008C98

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397ac9;
/* rgb */ color: rgb(57, 122, 201);
/* oklch */ color: oklch(57.6% 0.139 254.9);

Tailwind

colors: {
  custom: {
    50: '#81a0da',
    500: '#397ac9',
    950: '#000000',
  },
}

SCSS

$custom: #397ac9;
$custom-light: #81a0da;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac9",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 201
  },
  "hsl": {
    "h": 212.917,
    "s": 57.143,
    "l": 50.588
  },
  "oklch": {
    "l": 0.57616,
    "c": 0.13897,
    "h": 254.9
  },
  "luminance": 0.19006
}

Semantic roles & 50–950 ramp

primary

#397AC9

secondary

#CFB28F

accent

#9B47E0

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #397AC9

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

Preview Lab → · Contrast checker → · Palette generator →