#397AC2#397AC2

#397AC2 is a mid, vivid cyan. Relative luminance 0.187; OKLCH L 57.2% C 0.130 H 253.0°. Best body text is #000000 at 4.74:1 contrast (WCAG AA passes).

Color values

HEX	#397AC2
RGB	rgb(57, 122, 194)
HSL	hsl(212, 55%, 49%)
HSV	hsv(212, 71%, 76%)
CMYK	cmyk(70.6%, 37.1%, 0%, 23.9%)
CIE-LAB	lab(50.31, 3.31, -43.65)
CIE-LCH	lch(50.31, 43.78, 274.34°)
OKLab	oklab(57.2% -0.0379 -0.1242)
OKLCH	oklch(57.2% 0.13 253)
XYZ	xyz(18.3809, 18.6820, 53.6658)
Luminance	0.1868 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC2 #C28139

analogous

#39BFC2 #397AC2 #3D39C2

triadic

#397AC2 #C2397A #7AC239

tetradic

#397AC2 #C239BF #C28139 #39C23D

square

#397AC2 #C239BF #C28139 #39C23D

split-complementary

#397AC2 #C23D39 #BFC239

monochromatic

#1D3F63 #2B5C93 #397AC2 #6699D2 #95B9E0

Accessibility & contrast

On white

4.43

#397AC2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.74

#397AC2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC2

4.74:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC2	#FFFFFF	#000000	##000000
##397AC2	1.00	4.43	4.74	4.74
#FFFFFF	4.43	1.00	21.00	21.00
#000000	4.74	21.00	1.00	1.00
##000000	4.74	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#597FC5

Deuteranopia (green-blind)

#4572C1

Tritanopia (blue-blind)

#008B95

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397ac2;
/* rgb */ color: rgb(57, 122, 194);
/* oklch */ color: oklch(57.2% 0.130 253.0);

Tailwind

colors: {
  custom: {
    50: '#7fa0d5',
    500: '#397ac2',
    950: '#000000',
  },
}

SCSS

$custom: #397ac2;
$custom-light: #7fa0d5;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac2",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 194
  },
  "hsl": {
    "h": 211.533,
    "s": 54.582,
    "l": 49.216
  },
  "oklch": {
    "l": 0.57198,
    "c": 0.12985,
    "h": 253
  },
  "luminance": 0.18684
}

Semantic roles & 50–950 ramp

primary

#397AC2

secondary

#CBAD8B

accent

#984ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397AC2

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

Preview Lab → · Contrast checker → · Palette generator →