#397ECD#397ECD

#397ECD is a mid, vivid cyan. Relative luminance 0.202; OKLCH L 58.8% C 0.140 H 253.8°. Best body text is #000000 at 5.04:1 contrast (WCAG AA passes).

Color values

HEX	#397ECD
RGB	rgb(57, 126, 205)
HSL	hsl(212, 60%, 51%)
HSV	hsv(212, 72%, 80%)
CMYK	cmyk(72.2%, 38.5%, 0%, 19.6%)
CIE-LAB	lab(52.06, 4.84, -47.15)
CIE-LCH	lch(52.06, 47.40, 275.87°)
OKLab	oklab(58.75% -0.039 -0.1344)
OKLCH	oklch(58.75% 0.14 253.8)
XYZ	xyz(20.1636, 20.1971, 60.5815)
Luminance	0.2020 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397ECD #CD8839

analogous

#39C8CD #397ECD #3E39CD

triadic

#397ECD #CD397E #7ECD39

tetradic

#397ECD #CD39C8 #CD8839 #39CD3E

square

#397ECD #CD39C8 #CD8839 #39CD3E

split-complementary

#397ECD #CD3E39 #C8CD39

monochromatic

#1C436F #2860A0 #397ECD #6A9ED9 #9BBEE6

Accessibility & contrast

On white

4.17

#397ECD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.04

#397ECD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397ECD

5.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397ECD	#FFFFFF	#000000	##000000
##397ECD	1.00	4.17	5.04	5.04
#FFFFFF	4.17	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)

#5984D0

Deuteranopia (green-blind)

#4376CB

Tritanopia (blue-blind)

#00919B

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #397ecd;
/* rgb */ color: rgb(57, 126, 205);
/* oklch */ color: oklch(58.8% 0.140 253.8);

Tailwind

colors: {
  custom: {
    50: '#81a2dd',
    500: '#397ecd',
    950: '#000000',
  },
}

SCSS

$custom: #397ecd;
$custom-light: #81a2dd;
$custom-dark: #000000;

JSON

{
  "hex": "#397ecd",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 205
  },
  "hsl": {
    "h": 212.027,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.58754,
    "c": 0.13994,
    "h": 253.8
  },
  "luminance": 0.20199
}

Semantic roles & 50–950 ramp

primary

#397ECD

secondary

#D2B390

accent

#9945E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #397ECD

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

Preview Lab → · Contrast checker → · Palette generator →