#397CC2#397CC2

#397CC2 is a mid, vivid cyan. Relative luminance 0.192; OKLCH L 57.7% C 0.128 H 251.8°. Best body text is #000000 at 4.84:1 contrast (WCAG AA passes).

Color values

HEX	#397CC2
RGB	rgb(57, 124, 194)
HSL	hsl(211, 55%, 49%)
HSV	hsv(211, 71%, 76%)
CMYK	cmyk(70.6%, 36.1%, 0%, 23.9%)
CIE-LAB	lab(50.90, 2.10, -42.73)
CIE-LCH	lch(50.90, 42.78, 272.81°)
OKLab	oklab(57.65% -0.0398 -0.1215)
OKLCH	oklch(57.65% 0.128 251.8)
XYZ	xyz(18.6290, 19.1782, 53.7485)
Luminance	0.1918 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CC2 #C27F39

analogous

#39C1C2 #397CC2 #3B39C2

triadic

#397CC2 #C2397C #7CC239

tetradic

#397CC2 #C239C1 #C27F39 #39C23B

square

#397CC2 #C239C1 #C27F39 #39C23B

split-complementary

#397CC2 #C23B39 #C1C239

monochromatic

#1D4063 #2B5E93 #397CC2 #669BD2 #95BAE0

Accessibility & contrast

On white

4.34

#397CC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.84

#397CC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CC2

4.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CC2	#FFFFFF	#000000	##000000
##397CC2	1.00	4.34	4.84	4.84
#FFFFFF	4.34	1.00	21.00	21.00
#000000	4.84	21.00	1.00	1.00
##000000	4.84	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5C80C5

Deuteranopia (green-blind)

#4873C1

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397cc2;
/* rgb */ color: rgb(57, 124, 194);
/* oklch */ color: oklch(57.7% 0.128 251.8);

Tailwind

colors: {
  custom: {
    50: '#7fa1d5',
    500: '#397cc2',
    950: '#000000',
  },
}

SCSS

$custom: #397cc2;
$custom-light: #7fa1d5;
$custom-dark: #000000;

JSON

{
  "hex": "#397cc2",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 194
  },
  "hsl": {
    "h": 210.657,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57653,
    "c": 0.12783,
    "h": 251.8
  },
  "luminance": 0.1918
}

Semantic roles & 50–950 ramp

primary

#397CC2

secondary

#CBAC8B

accent

#964ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397CC2

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

Preview Lab → · Contrast checker → · Palette generator →