#397EBE#397EBE

#397EBE is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.121 H 249.2°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#397EBE
RGB	rgb(57, 126, 190)
HSL	hsl(209, 54%, 48%)
HSV	hsv(209, 70%, 75%)
CMYK	cmyk(70%, 33.7%, 0%, 25.5%)
CIE-LAB	lab(51.28, -0.53, -39.83)
CIE-LCH	lch(51.28, 39.84, 269.23°)
OKLab	oklab(57.88% -0.0429 -0.113)
OKLCH	oklch(57.88% 0.121 249.2)
XYZ	xyz(18.4390, 19.5073, 51.4987)
Luminance	0.1951 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EBE #BE7939

analogous

#39BEBB #397EBE #393CBE

triadic

#397EBE #BE397E #7EBE39

tetradic

#397EBE #BB39BE #BE7939 #3CBE39

square

#397EBE #BB39BE #BE7939 #3CBE39

split-complementary

#397EBE #BE393C #BEBB39

monochromatic

#1D4060 #2B5F8F #397EBE #649CD0 #93BADF

Accessibility & contrast

On white

4.28

#397EBE on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#397EBE on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EBE

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EBE	#FFFFFF	#000000	##000000
##397EBE	1.00	4.28	4.90	4.90
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6181C1

Deuteranopia (green-blind)

#4F74BD

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397ebe;
/* rgb */ color: rgb(57, 126, 190);
/* oklch */ color: oklch(57.9% 0.121 249.2);

Tailwind

colors: {
  custom: {
    50: '#7fa3d2',
    500: '#397ebe',
    950: '#000000',
  },
}

SCSS

$custom: #397ebe;
$custom-light: #7fa3d2;
$custom-dark: #000000;

JSON

{
  "hex": "#397ebe",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 190
  },
  "hsl": {
    "h": 208.872,
    "s": 53.846,
    "l": 48.431
  },
  "oklch": {
    "l": 0.57884,
    "c": 0.12085,
    "h": 249.2
  },
  "luminance": 0.19509
}

Semantic roles & 50–950 ramp

primary

#397EBE

secondary

#CAA889

accent

#914BDD

background

#F8F9FC

surface

#EFF2F9

border

#CACCD2

text

#0B0F14

muted

#7C7E82

Preview Lab

Preview with #397EBE

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

Preview Lab → · Contrast checker → · Palette generator →