#397ABF#397ABF

#397ABF is a mid, vivid cyan. Relative luminance 0.186; OKLCH L 57.0% C 0.126 H 252.1°. Best body text is #000000 at 4.71:1 contrast (WCAG AA passes).

Color values

HEX	#397ABF
RGB	rgb(57, 122, 191)
HSL	hsl(211, 54%, 49%)
HSV	hsv(211, 70%, 75%)
CMYK	cmyk(70.2%, 36.1%, 0%, 25.1%)
CIE-LAB	lab(50.15, 2.23, -42.18)
CIE-LCH	lch(50.15, 42.24, 273.03°)
OKLab	oklab(57.02% -0.0387 -0.1199)
OKLCH	oklch(57.02% 0.126 252.1)
XYZ	xyz(18.0474, 18.5486, 51.9092)
Luminance	0.1855 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397ABF #BF7E39

analogous

#39BDBF #397ABF #3B39BF

triadic

#397ABF #BF397A #7ABF39

tetradic

#397ABF #BF39BD #BF7E39 #39BF3B

square

#397ABF #BF39BD #BF7E39 #39BF3B

split-complementary

#397ABF #BF3B39 #BDBF39

monochromatic

#1D3E61 #2B5C90 #397ABF #6499D1 #93B8DF

Accessibility & contrast

On white

4.46

#397ABF on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.71

#397ABF on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397ABF

4.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397ABF	#FFFFFF	#000000	##000000
##397ABF	1.00	4.46	4.71	4.71
#FFFFFF	4.46	1.00	21.00	21.00
#000000	4.71	21.00	1.00	1.00
##000000	4.71	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5B7EC2

Deuteranopia (green-blind)

#4772BE

Tritanopia (blue-blind)

#008A93

Achromatopsia (no color)

#777777

Design tokens & code

CSS

--color: #397abf;
/* rgb */ color: rgb(57, 122, 191);
/* oklch */ color: oklch(57.0% 0.126 252.1);

Tailwind

colors: {
  custom: {
    50: '#7fa0d2',
    500: '#397abf',
    950: '#000000',
  },
}

SCSS

$custom: #397abf;
$custom-light: #7fa0d2;
$custom-dark: #000000;

JSON

{
  "hex": "#397abf",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 191
  },
  "hsl": {
    "h": 210.896,
    "s": 54.032,
    "l": 48.627
  },
  "oklch": {
    "l": 0.57022,
    "c": 0.12598,
    "h": 252.1
  },
  "luminance": 0.18551
}

Semantic roles & 50–950 ramp

primary

#397ABF

secondary

#CAAB8A

accent

#964ADD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #397ABF

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

Preview Lab → · Contrast checker → · Palette generator →