#397BD2#397BD2

#397BD2 is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.4% C 0.150 H 256.4°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#397BD2
RGB	rgb(57, 123, 210)
HSL	hsl(214, 63%, 52%)
HSV	hsv(214, 73%, 82%)
CMYK	cmyk(72.9%, 41.4%, 0%, 17.6%)
CIE-LAB	lab(51.48, 8.49, -50.91)
CIE-LCH	lch(51.48, 51.62, 279.47°)
OKLab	oklab(58.39% -0.0351 -0.1455)
OKLCH	oklch(58.39% 0.15 256.4)
XYZ	xyz(20.3989, 19.6867, 63.6851)
Luminance	0.1969 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BD2 #D29039

analogous

#39C7D2 #397BD2 #4439D2

triadic

#397BD2 #D2397B #7BD239

tetradic

#397BD2 #D239C7 #D29039 #39D244

square

#397BD2 #D239C7 #D29039 #39D244

split-complementary

#397BD2 #D24439 #C7D239

monochromatic

#1B4276 #265EA8 #397BD2 #6B9CDD #9DBDE9

Accessibility & contrast

On white

4.25

#397BD2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#397BD2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BD2

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BD2	#FFFFFF	#000000	##000000
##397BD2	1.00	4.25	4.94	4.94
#FFFFFF	4.25	1.00	21.00	21.00
#000000	4.94	21.00	1.00	1.00
##000000	4.94	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5182D5

Deuteranopia (green-blind)

#3774D0

Tritanopia (blue-blind)

#008F9C

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397bd2;
/* rgb */ color: rgb(57, 123, 210);
/* oklch */ color: oklch(58.4% 0.150 256.4);

Tailwind

colors: {
  custom: {
    50: '#82a0e0',
    500: '#397bd2',
    950: '#000000',
  },
}

SCSS

$custom: #397bd2;
$custom-light: #82a0e0;
$custom-dark: #000000;

JSON

{
  "hex": "#397bd2",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 210
  },
  "hsl": {
    "h": 214.118,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.58394,
    "c": 0.14967,
    "h": 256.4
  },
  "luminance": 0.19689
}

Semantic roles & 50–950 ramp

primary

#397BD2

secondary

#D5B892

accent

#9F42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #397BD2

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

Preview Lab → · Contrast checker → · Palette generator →