#397FCD#397FCD

#397FCD is a mid, vivid cyan. Relative luminance 0.205; OKLCH L 59.0% C 0.139 H 253.3°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#397FCD
RGB	rgb(57, 127, 205)
HSL	hsl(212, 60%, 51%)
HSV	hsv(212, 72%, 80%)
CMYK	cmyk(72.2%, 38%, 0%, 19.6%)
CIE-LAB	lab(52.35, 4.24, -46.70)
CIE-LCH	lch(52.35, 46.89, 275.19°)
OKLab	oklab(58.98% -0.0399 -0.133)
OKLCH	oklch(58.98% 0.139 253.3)
XYZ	xyz(20.2921, 20.4541, 60.6244)
Luminance	0.2046 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FCD #CD8739

analogous

#39C9CD #397FCD #3D39CD

triadic

#397FCD #CD397F #7FCD39

tetradic

#397FCD #CD39C9 #CD8739 #39CD3D

square

#397FCD #CD39C9 #CD8739 #39CD3D

split-complementary

#397FCD #CD3D39 #C9CD39

monochromatic

#1C446F #2861A0 #397FCD #6A9FD9 #9BBEE6

Accessibility & contrast

On white

4.12

#397FCD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#397FCD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FCD

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FCD	#FFFFFF	#000000	##000000
##397FCD	1.00	4.12	5.09	5.09
#FFFFFF	4.12	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B84D0

Deuteranopia (green-blind)

#4477CB

Tritanopia (blue-blind)

#00919C

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #397fcd;
/* rgb */ color: rgb(57, 127, 205);
/* oklch */ color: oklch(59.0% 0.139 253.3);

Tailwind

colors: {
  custom: {
    50: '#81a3dc',
    500: '#397fcd',
    950: '#000000',
  },
}

SCSS

$custom: #397fcd;
$custom-light: #81a3dc;
$custom-dark: #000000;

JSON

{
  "hex": "#397fcd",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 205
  },
  "hsl": {
    "h": 211.622,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58978,
    "c": 0.1389,
    "h": 253.3
  },
  "luminance": 0.20456
}

Semantic roles & 50–950 ramp

primary

#397FCD

secondary

#D2B390

accent

#9845E3

background

#F8FAFD

surface

#F0F3FB

border

#CBCDD4

text

#0C0F15

muted

#7D7F83

Preview Lab

Preview with #397FCD

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

Preview Lab → · Contrast checker → · Palette generator →