#397CC0#397CC0

#397CC0 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.5% C 0.125 H 251.2°. Best body text is #000000 at 4.82:1 contrast (WCAG AA passes).

Color values

HEX	#397CC0
RGB	rgb(57, 124, 192)
HSL	hsl(210, 54%, 49%)
HSV	hsv(210, 70%, 75%)
CMYK	cmyk(70.3%, 35.4%, 0%, 24.7%)
CIE-LAB	lab(50.79, 1.38, -41.75)
CIE-LCH	lch(50.79, 41.77, 271.90°)
OKLab	oklab(57.54% -0.0404 -0.1186)
OKLCH	oklch(57.54% 0.125 251.2)
XYZ	xyz(18.4059, 19.0889, 52.5735)
Luminance	0.1909 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CC0 #C07D39

analogous

#39C0C0 #397CC0 #3939C0

triadic

#397CC0 #C0397C #7CC039

tetradic

#397CC0 #C039C0 #C07D39 #39C039

square

#397CC0 #C039C0 #C07D39 #39C039

split-complementary

#397CC0 #C03939 #C0C039

monochromatic

#1D3F62 #2B5E91 #397CC0 #659BD1 #94B9DF

Accessibility & contrast

On white

4.36

#397CC0 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.82

#397CC0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CC0

4.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CC0	#FFFFFF	#000000	##000000
##397CC0	1.00	4.36	4.82	4.82
#FFFFFF	4.36	1.00	21.00	21.00
#000000	4.82	21.00	1.00	1.00
##000000	4.82	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D80C3

Deuteranopia (green-blind)

#4A73BF

Tritanopia (blue-blind)

#008C95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397cc0;
/* rgb */ color: rgb(57, 124, 192);
/* oklch */ color: oklch(57.5% 0.125 251.2);

Tailwind

colors: {
  custom: {
    50: '#7fa1d3',
    500: '#397cc0',
    950: '#000000',
  },
}

SCSS

$custom: #397cc0;
$custom-light: #7fa1d3;
$custom-dark: #000000;

JSON

{
  "hex": "#397cc0",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 192
  },
  "hsl": {
    "h": 210.222,
    "s": 54.217,
    "l": 48.824
  },
  "oklch": {
    "l": 0.57538,
    "c": 0.12528,
    "h": 251.2
  },
  "luminance": 0.19091
}

Semantic roles & 50–950 ramp

primary

#397CC0

secondary

#CBAB8A

accent

#944ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397CC0

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

Preview Lab → · Contrast checker → · Palette generator →