#397ACD#397ACD

#397ACD is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.9% C 0.144 H 255.8°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#397ACD
RGB	rgb(57, 122, 205)
HSL	hsl(214, 60%, 51%)
HSV	hsv(214, 72%, 80%)
CMYK	cmyk(72.2%, 40.5%, 0%, 19.6%)
CIE-LAB	lab(50.91, 7.29, -48.98)
CIE-LCH	lch(50.91, 49.52, 278.47°)
OKLab	oklab(57.86% -0.0353 -0.1398)
OKLCH	oklch(57.86% 0.144 255.8)
XYZ	xyz(19.6623, 19.1945, 60.4144)
Luminance	0.1920 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397ACD #CD8C39

analogous

#39C4CD #397ACD #4239CD

triadic

#397ACD #CD397A #7ACD39

tetradic

#397ACD #CD39C4 #CD8C39 #39CD42

square

#397ACD #CD39C4 #CD8C39 #39CD42

split-complementary

#397ACD #CD4239 #C4CD39

monochromatic

#1C416F #285DA0 #397ACD #6A9BD9 #9BBCE6

Accessibility & contrast

On white

4.34

#397ACD on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#397ACD on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397ACD

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397ACD	#FFFFFF	#000000	##000000
##397ACD	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5381D0

Deuteranopia (green-blind)

#3B73CB

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397acd;
/* rgb */ color: rgb(57, 122, 205);
/* oklch */ color: oklch(57.9% 0.144 255.8);

Tailwind

colors: {
  custom: {
    50: '#819fdd',
    500: '#397acd',
    950: '#000000',
  },
}

SCSS

$custom: #397acd;
$custom-light: #819fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#397acd",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 205
  },
  "hsl": {
    "h": 213.649,
    "s": 59.677,
    "l": 51.373
  },
  "oklch": {
    "l": 0.57862,
    "c": 0.1442,
    "h": 255.8
  },
  "luminance": 0.19197
}

Semantic roles & 50–950 ramp

primary

#397ACD

secondary

#D2B590

accent

#9E45E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #397ACD

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

Preview Lab → · Contrast checker → · Palette generator →