#397FC7#397FC7

#397FC7 is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.6% C 0.131 H 251.6°. Best body text is #000000 at 5.03:1 contrast (WCAG AA passes).

Color values

HEX	#397FC7
RGB	rgb(57, 127, 199)
HSL	hsl(210, 56%, 50%)
HSV	hsv(210, 71%, 78%)
CMYK	cmyk(71.4%, 36.2%, 0%, 22%)
CIE-LAB	lab(52.03, 2.08, -43.79)
CIE-LCH	lch(52.03, 43.84, 272.72°)
OKLab	oklab(58.63% -0.0414 -0.1245)
OKLCH	oklch(58.63% 0.131 251.6)
XYZ	xyz(19.5817, 20.1700, 56.8830)
Luminance	0.2017 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FC7 #C78139

analogous

#39C6C7 #397FC7 #3A39C7

triadic

#397FC7 #C7397F #7FC739

tetradic

#397FC7 #C739C6 #C78139 #39C73A

square

#397FC7 #C739C6 #C78139 #39C73A

split-complementary

#397FC7 #C73A39 #C6C739

monochromatic

#1D4268 #2B6198 #397FC7 #699ED4 #98BDE2

Accessibility & contrast

On white

4.17

#397FC7 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.03

#397FC7 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FC7

5.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FC7	#FFFFFF	#000000	##000000
##397FC7	1.00	4.17	5.03	5.03
#FFFFFF	4.17	1.00	21.00	21.00
#000000	5.03	21.00	1.00	1.00
##000000	5.03	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E83CA

Deuteranopia (green-blind)

#4976C6

Tritanopia (blue-blind)

#009099

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #397fc7;
/* rgb */ color: rgb(57, 127, 199);
/* oklch */ color: oklch(58.6% 0.131 251.6);

Tailwind

colors: {
  custom: {
    50: '#80a3d8',
    500: '#397fc7',
    950: '#000000',
  },
}

SCSS

$custom: #397fc7;
$custom-light: #80a3d8;
$custom-dark: #000000;

JSON

{
  "hex": "#397fc7",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 199
  },
  "hsl": {
    "h": 210.423,
    "s": 55.906,
    "l": 50.196
  },
  "oklch": {
    "l": 0.58626,
    "c": 0.13123,
    "h": 251.6
  },
  "luminance": 0.20172
}

Semantic roles & 50–950 ramp

primary

#397FC7

secondary

#CEAE8E

accent

#9549DF

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0C0F14

muted

#7D7F83

Preview Lab

Preview with #397FC7

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

Preview Lab → · Contrast checker → · Palette generator →