#397FC1#397FC1

#397FC1 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.124 H 249.6°. Best body text is #000000 at 4.98:1 contrast (WCAG AA passes).

Color values

HEX	#397FC1
RGB	rgb(57, 127, 193)
HSL	hsl(209, 54%, 49%)
HSV	hsv(209, 70%, 76%)
CMYK	cmyk(70.5%, 34.2%, 0%, 24.3%)
CIE-LAB	lab(51.72, -0.06, -40.85)
CIE-LCH	lch(51.72, 40.85, 269.91°)
OKLab	oklab(58.28% -0.043 -0.1159)
OKLCH	oklch(58.28% 0.124 249.6)
XYZ	xyz(18.8987, 19.8968, 53.2862)
Luminance	0.1990 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FC1 #C17B39

analogous

#39C1BF #397FC1 #393BC1

triadic

#397FC1 #C1397F #7FC139

tetradic

#397FC1 #BF39C1 #C17B39 #3BC139

square

#397FC1 #BF39C1 #C17B39 #3BC139

split-complementary

#397FC1 #C1393B #C1BF39

monochromatic

#1D4163 #2B6092 #397FC1 #669DD2 #95BBE0

Accessibility & contrast

On white

4.22

#397FC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.98

#397FC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FC1

4.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FC1	#FFFFFF	#000000	##000000
##397FC1	1.00	4.22	4.98	4.98
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.98	21.00	1.00	1.00
##000000	4.98	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6182C4

Deuteranopia (green-blind)

#4E75C0

Tritanopia (blue-blind)

#008F97

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397fc1;
/* rgb */ color: rgb(57, 127, 193);
/* oklch */ color: oklch(58.3% 0.124 249.6);

Tailwind

colors: {
  custom: {
    50: '#7fa3d4',
    500: '#397fc1',
    950: '#000000',
  },
}

SCSS

$custom: #397fc1;
$custom-light: #7fa3d4;
$custom-dark: #000000;

JSON

{
  "hex": "#397fc1",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 193
  },
  "hsl": {
    "h": 209.118,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.58283,
    "c": 0.12366,
    "h": 249.6
  },
  "luminance": 0.19899
}

Semantic roles & 50–950 ramp

primary

#397FC1

secondary

#CBAA8B

accent

#924ADE

background

#F8FAFD

surface

#EFF3FA

border

#CACDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #397FC1

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

Preview Lab → · Contrast checker → · Palette generator →