#397CBE#397CBE

#397CBE is a mid, vivid cyan. Relative luminance 0.190; OKLCH L 57.4% C 0.123 H 250.5°. Best body text is #000000 at 4.80:1 contrast (WCAG AA passes).

Color values

HEX	#397CBE
RGB	rgb(57, 124, 190)
HSL	hsl(210, 54%, 48%)
HSV	hsv(210, 70%, 75%)
CMYK	cmyk(70%, 34.7%, 0%, 25.5%)
CIE-LAB	lab(50.69, 0.67, -40.76)
CIE-LCH	lch(50.69, 40.77, 270.94°)
OKLab	oklab(57.42% -0.0409 -0.1157)
OKLCH	oklch(57.42% 0.123 250.5)
XYZ	xyz(18.1858, 19.0009, 51.4143)
Luminance	0.1900 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CBE #BE7B39

analogous

#39BEBD #397CBE #393ABE

triadic

#397CBE #BE397C #7CBE39

tetradic

#397CBE #BD39BE #BE7B39 #3ABE39

square

#397CBE #BD39BE #BE7B39 #3ABE39

split-complementary

#397CBE #BE393A #BEBD39

monochromatic

#1D3F60 #2B5D8F #397CBE #649BD0 #93B9DF

Accessibility & contrast

On white

4.37

#397CBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.80

#397CBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CBE

4.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CBE	#FFFFFF	#000000	##000000
##397CBE	1.00	4.37	4.80	4.80
#FFFFFF	4.37	1.00	21.00	21.00
#000000	4.80	21.00	1.00	1.00
##000000	4.80	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E80C1

Deuteranopia (green-blind)

#4B73BD

Tritanopia (blue-blind)

#008C94

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397cbe;
/* rgb */ color: rgb(57, 124, 190);
/* oklch */ color: oklch(57.4% 0.123 250.5);

Tailwind

colors: {
  custom: {
    50: '#7fa1d2',
    500: '#397cbe',
    950: '#000000',
  },
}

SCSS

$custom: #397cbe;
$custom-light: #7fa1d2;
$custom-dark: #000000;

JSON

{
  "hex": "#397cbe",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 190
  },
  "hsl": {
    "h": 209.774,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57423,
    "c": 0.12274,
    "h": 250.5
  },
  "luminance": 0.19003
}

Semantic roles & 50–950 ramp

primary

#397CBE

secondary

#CAA989

accent

#934BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0E14

muted

#7C7E82

Preview Lab

Preview with #397CBE

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

Preview Lab → · Contrast checker → · Palette generator →