#397DC0#397DC0

#397DC0 is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.8% C 0.124 H 250.6°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#397DC0
RGB	rgb(57, 125, 192)
HSL	hsl(210, 54%, 49%)
HSV	hsv(210, 70%, 75%)
CMYK	cmyk(70.3%, 34.9%, 0%, 24.7%)
CIE-LAB	lab(51.08, 0.78, -41.28)
CIE-LCH	lch(51.08, 41.29, 271.08°)
OKLab	oklab(57.77% -0.0413 -0.1172)
OKLCH	oklch(57.77% 0.124 250.6)
XYZ	xyz(18.5318, 19.3409, 52.6154)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DC0 #C07C39

analogous

#39C0C0 #397DC0 #3939C0

triadic

#397DC0 #C0397D #7DC039

tetradic

#397DC0 #C039C0 #C07C39 #39C039

square

#397DC0 #C039C0 #C07C39 #39C039

split-complementary

#397DC0 #C03939 #C0C039

monochromatic

#1D4062 #2B5E91 #397DC0 #659CD1 #94BADF

Accessibility & contrast

On white

4.31

#397DC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#397DC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DC0

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DC0	#FFFFFF	#000000	##000000
##397DC0	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5F81C3

Deuteranopia (green-blind)

#4C74BF

Tritanopia (blue-blind)

#008D95

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397dc0;
/* rgb */ color: rgb(57, 125, 192);
/* oklch */ color: oklch(57.8% 0.124 250.6);

Tailwind

colors: {
  custom: {
    50: '#7fa2d3',
    500: '#397dc0',
    950: '#000000',
  },
}

SCSS

$custom: #397dc0;
$custom-light: #7fa2d3;
$custom-dark: #000000;

JSON

{
  "hex": "#397dc0",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 192
  },
  "hsl": {
    "h": 209.778,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57767,
    "c": 0.12431,
    "h": 250.6
  },
  "luminance": 0.19343
}

Semantic roles & 50–950 ramp

primary

#397DC0

secondary

#CBAA8A

accent

#934ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #397DC0

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

Preview Lab → · Contrast checker → · Palette generator →