#397ACE#397ACE

#397ACE is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.9% C 0.146 H 256.0°. Best body text is #000000 at 4.85:1 contrast (WCAG AA passes).

Color values

HEX	#397ACE
RGB	rgb(57, 122, 206)
HSL	hsl(214, 60%, 52%)
HSV	hsv(214, 72%, 81%)
CMYK	cmyk(72.3%, 40.8%, 0%, 19.2%)
CIE-LAB	lab(50.97, 7.65, -49.46)
CIE-LCH	lch(50.97, 50.04, 278.80°)
OKLab	oklab(57.92% -0.0351 -0.1412)
OKLCH	oklch(57.92% 0.146 256)
XYZ	xyz(19.7834, 19.2430, 61.0522)
Luminance	0.1925 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397ACE #CE8D39

analogous

#39C4CE #397ACE #4339CE

triadic

#397ACE #CE397A #7ACE39

tetradic

#397ACE #CE39C4 #CE8D39 #39CE43

square

#397ACE #CE39C4 #CE8D39 #39CE43

split-complementary

#397ACE #CE4339 #C4CE39

monochromatic

#1C4171 #285DA2 #397ACE #6A9BDA #9BBCE6

Accessibility & contrast

On white

4.33

#397ACE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.85

#397ACE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397ACE

4.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397ACE	#FFFFFF	#000000	##000000
##397ACE	1.00	4.33	4.85	4.85
#FFFFFF	4.33	1.00	21.00	21.00
#000000	4.85	21.00	1.00	1.00
##000000	4.85	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5281D1

Deuteranopia (green-blind)

#3A73CC

Tritanopia (blue-blind)

#008E9A

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397ace;
/* rgb */ color: rgb(57, 122, 206);
/* oklch */ color: oklch(57.9% 0.146 256.0);

Tailwind

colors: {
  custom: {
    50: '#829fdd',
    500: '#397ace',
    950: '#000000',
  },
}

SCSS

$custom: #397ace;
$custom-light: #829fdd;
$custom-dark: #000000;

JSON

{
  "hex": "#397ace",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 206
  },
  "hsl": {
    "h": 213.826,
    "s": 60.324,
    "l": 51.569
  },
  "oklch": {
    "l": 0.57924,
    "c": 0.14551,
    "h": 256
  },
  "luminance": 0.19245
}

Semantic roles & 50–950 ramp

primary

#397ACE

secondary

#D2B691

accent

#9E44E3

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #397ACE

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

Preview Lab → · Contrast checker → · Palette generator →