#397AD2#397AD2

#397AD2 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 58.2% C 0.151 H 256.9°. Best body text is #000000 at 4.89:1 contrast (WCAG AA passes).

Color values

HEX	#397AD2
RGB	rgb(57, 122, 210)
HSL	hsl(215, 63%, 52%)
HSV	hsv(215, 73%, 82%)
CMYK	cmyk(72.9%, 41.9%, 0%, 17.6%)
CIE-LAB	lab(51.20, 9.11, -51.36)
CIE-LCH	lch(51.20, 52.17, 280.06°)
OKLab	oklab(58.17% -0.0343 -0.1468)
OKLCH	oklch(58.17% 0.151 256.9)
XYZ	xyz(20.2755, 19.4398, 63.6440)
Luminance	0.1944 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AD2 #D29139

analogous

#39C6D2 #397AD2 #4539D2

triadic

#397AD2 #D2397A #7AD239

tetradic

#397AD2 #D239C6 #D29139 #39D245

square

#397AD2 #D239C6 #D29139 #39D245

split-complementary

#397AD2 #D24539 #C6D239

monochromatic

#1B4176 #265DA8 #397AD2 #6B9BDD #9DBDE9

Accessibility & contrast

On white

4.30

#397AD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.89

#397AD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AD2

4.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AD2	#FFFFFF	#000000	##000000
##397AD2	1.00	4.30	4.89	4.89
#FFFFFF	4.30	1.00	21.00	21.00
#000000	4.89	21.00	1.00	1.00
##000000	4.89	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#4F82D5

Deuteranopia (green-blind)

#3573D0

Tritanopia (blue-blind)

#008F9C

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397ad2;
/* rgb */ color: rgb(57, 122, 210);
/* oklch */ color: oklch(58.2% 0.151 256.9);

Tailwind

colors: {
  custom: {
    50: '#829fe0',
    500: '#397ad2',
    950: '#000000',
  },
}

SCSS

$custom: #397ad2;
$custom-light: #829fe0;
$custom-dark: #000000;

JSON

{
  "hex": "#397ad2",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 210
  },
  "hsl": {
    "h": 214.51,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58174,
    "c": 0.15076,
    "h": 256.9
  },
  "luminance": 0.19442
}

Semantic roles & 50–950 ramp

primary

#397AD2

secondary

#D5B892

accent

#A042E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #397AD2

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

Preview Lab → · Contrast checker → · Palette generator →