#397FC8#397FC8

#397FC8 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.7% C 0.133 H 251.9°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#397FC8
RGB	rgb(57, 127, 200)
HSL	hsl(211, 57%, 50%)
HSV	hsv(211, 72%, 78%)
CMYK	cmyk(71.5%, 36.5%, 0%, 21.6%)
CIE-LAB	lab(52.08, 2.44, -44.27)
CIE-LCH	lch(52.08, 44.34, 273.15°)
OKLab	oklab(58.68% -0.0412 -0.1259)
OKLCH	oklch(58.68% 0.133 251.9)
XYZ	xyz(19.6982, 20.2166, 57.4964)
Luminance	0.2022 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FC8 #C88239

analogous

#39C7C8 #397FC8 #3A39C8

triadic

#397FC8 #C8397F #7FC839

tetradic

#397FC8 #C839C7 #C88239 #39C83A

square

#397FC8 #C839C7 #C88239 #39C83A

split-complementary

#397FC8 #C83A39 #C7C839

monochromatic

#1D4369 #2B6199 #397FC8 #699ED5 #99BDE3

Accessibility & contrast

On white

4.16

#397FC8 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#397FC8 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FC8

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FC8	#FFFFFF	#000000	##000000
##397FC8	1.00	4.16	5.04	5.04
#FFFFFF	4.16	1.00	21.00	21.00
#000000	5.04	21.00	1.00	1.00
##000000	5.04	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E84CB

Deuteranopia (green-blind)

#4976C7

Tritanopia (blue-blind)

#00909A

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #397fc8;
/* rgb */ color: rgb(57, 127, 200);
/* oklch */ color: oklch(58.7% 0.133 251.9);

Tailwind

colors: {
  custom: {
    50: '#81a3d9',
    500: '#397fc8',
    950: '#000000',
  },
}

SCSS

$custom: #397fc8;
$custom-light: #81a3d9;
$custom-dark: #000000;

JSON

{
  "hex": "#397fc8",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 200
  },
  "hsl": {
    "h": 210.629,
    "s": 56.522,
    "l": 50.392
  },
  "oklch": {
    "l": 0.58684,
    "c": 0.13251,
    "h": 251.9
  },
  "luminance": 0.20219
}

Semantic roles & 50–950 ramp

primary

#397FC8

secondary

#CEAF8F

accent

#9548E0

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #397FC8

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

Preview Lab → · Contrast checker → · Palette generator →