#397FC3#397FC3

#397FC3 is a mid, vivid cyan. Relative luminance 0.200; OKLCH L 58.4% C 0.126 H 250.3°. Best body text is #000000 at 5.00:1 contrast (WCAG AA passes).

Color values

HEX	#397FC3
RGB	rgb(57, 127, 195)
HSL	hsl(210, 55%, 49%)
HSV	hsv(210, 71%, 76%)
CMYK	cmyk(70.8%, 34.9%, 0%, 23.5%)
CIE-LAB	lab(51.82, 0.65, -41.83)
CIE-LCH	lch(51.82, 41.84, 270.89°)
OKLab	oklab(58.4% -0.0425 -0.1188)
OKLCH	oklch(58.4% 0.126 250.3)
XYZ	xyz(19.1234, 19.9867, 54.4691)
Luminance	0.1999 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FC3 #C37D39

analogous

#39C3C2 #397FC3 #393AC3

triadic

#397FC3 #C3397F #7FC339

tetradic

#397FC3 #C239C3 #C37D39 #3AC339

square

#397FC3 #C239C3 #C37D39 #3AC339

split-complementary

#397FC3 #C3393A #C3C239

monochromatic

#1D4164 #2B6094 #397FC3 #679DD2 #96BCE0

Accessibility & contrast

On white

4.20

#397FC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.00

#397FC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FC3

5.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FC3	#FFFFFF	#000000	##000000
##397FC3	1.00	4.20	5.00	5.00
#FFFFFF	4.20	1.00	21.00	21.00
#000000	5.00	21.00	1.00	1.00
##000000	5.00	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6083C6

Deuteranopia (green-blind)

#4D76C2

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7C7C7C

Design tokens & code

CSS

--color: #397fc3;
/* rgb */ color: rgb(57, 127, 195);
/* oklch */ color: oklch(58.4% 0.126 250.3);

Tailwind

colors: {
  custom: {
    50: '#80a3d5',
    500: '#397fc3',
    950: '#000000',
  },
}

SCSS

$custom: #397fc3;
$custom-light: #80a3d5;
$custom-dark: #000000;

JSON

{
  "hex": "#397fc3",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 195
  },
  "hsl": {
    "h": 209.565,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.58396,
    "c": 0.12617,
    "h": 250.3
  },
  "luminance": 0.19989
}

Semantic roles & 50–950 ramp

primary

#397FC3

secondary

#CCAB8C

accent

#934ADE

background

#F8FAFD

surface

#F0F3FA

border

#CBCDD3

text

#0B0F14

muted

#7C7F83

Preview Lab

Preview with #397FC3

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

Preview Lab → · Contrast checker → · Palette generator →