#397DCE#397DCE

#397DCE is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.6% C 0.142 H 254.6°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#397DCE
RGB	rgb(57, 125, 206)
HSL	hsl(213, 60%, 52%)
HSV	hsv(213, 72%, 81%)
CMYK	cmyk(72.3%, 39.3%, 0%, 19.2%)
CIE-LAB	lab(51.83, 5.81, -48.09)
CIE-LCH	lch(51.83, 48.44, 276.89°)
OKLab	oklab(58.59% -0.0378 -0.1372)
OKLCH	oklch(58.59% 0.142 254.6)
XYZ	xyz(20.1574, 19.9911, 61.1769)
Luminance	0.1999 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DCE #CE8A39

analogous

#39C8CE #397DCE #4039CE

triadic

#397DCE #CE397D #7DCE39

tetradic

#397DCE #CE39C8 #CE8A39 #39CE40

square

#397DCE #CE39C8 #CE8A39 #39CE40

split-complementary

#397DCE #CE4039 #C8CE39

monochromatic

#1C4371 #2860A2 #397DCE #6A9DDA #9BBDE6

Accessibility & contrast

On white

4.20

#397DCE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#397DCE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DCE

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DCE	#FFFFFF	#000000	##000000
##397DCE	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5783D1

Deuteranopia (green-blind)

#4075CC

Tritanopia (blue-blind)

#00909B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #397dce;
/* rgb */ color: rgb(57, 125, 206);
/* oklch */ color: oklch(58.6% 0.142 254.6);

Tailwind

colors: {
  custom: {
    50: '#82a2dd',
    500: '#397dce',
    950: '#000000',
  },
}

SCSS

$custom: #397dce;
$custom-light: #82a2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#397dce",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 206
  },
  "hsl": {
    "h": 212.617,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.5859,
    "c": 0.14228,
    "h": 254.6
  },
  "luminance": 0.19993
}

Semantic roles & 50–950 ramp

primary

#397DCE

secondary

#D2B491

accent

#9B44E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #397DCE

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

Preview Lab → · Contrast checker → · Palette generator →