#397CCD#397CCD

#397CCD is a mid, vivid cyan. Relative luminance 0.197; OKLCH L 58.3% C 0.142 H 254.8°. Best body text is #000000 at 4.94:1 contrast (WCAG AA passes).

Color values

HEX	#397CCD
RGB	rgb(57, 124, 205)
HSL	hsl(213, 60%, 51%)
HSV	hsv(213, 72%, 80%)
CMYK	cmyk(72.2%, 39.5%, 0%, 19.6%)
CIE-LAB	lab(51.49, 6.06, -48.07)
CIE-LCH	lch(51.49, 48.45, 277.19°)
OKLab	oklab(58.31% -0.0372 -0.1371)
OKLCH	oklch(58.31% 0.142 254.8)
XYZ	xyz(19.9104, 19.6907, 60.4971)
Luminance	0.1969 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CCD #CD8A39

analogous

#39C6CD #397CCD #4039CD

triadic

#397CCD #CD397C #7CCD39

tetradic

#397CCD #CD39C6 #CD8A39 #39CD40

square

#397CCD #CD39C6 #CD8A39 #39CD40

split-complementary

#397CCD #CD4039 #C6CD39

monochromatic

#1C426F #285FA0 #397CCD #6A9CD9 #9BBDE6

Accessibility & contrast

On white

4.25

#397CCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.94

#397CCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CCD

4.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CCD	#FFFFFF	#000000	##000000
##397CCD	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)

#5682D0

Deuteranopia (green-blind)

#3F74CB

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397ccd;
/* rgb */ color: rgb(57, 124, 205);
/* oklch */ color: oklch(58.3% 0.142 254.8);

Tailwind

colors: {
  custom: {
    50: '#81a1dd',
    500: '#397ccd',
    950: '#000000',
  },
}

SCSS

$custom: #397ccd;
$custom-light: #81a1dd;
$custom-dark: #000000;

JSON

{
  "hex": "#397ccd",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 205
  },
  "hsl": {
    "h": 212.838,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58307,
    "c": 0.14205,
    "h": 254.8
  },
  "luminance": 0.19693
}

Semantic roles & 50–950 ramp

primary

#397CCD

secondary

#D2B490

accent

#9B45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #397CCD

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

Preview Lab → · Contrast checker → · Palette generator →