#397AC5#397AC5

#397AC5 is a mid, vivid cyan. Relative luminance 0.188; OKLCH L 57.4% C 0.134 H 253.9°. Best body text is #000000 at 4.76:1 contrast (WCAG AA passes).

Color values

HEX	#397AC5
RGB	rgb(57, 122, 197)
HSL	hsl(212, 55%, 50%)
HSV	hsv(212, 71%, 77%)
CMYK	cmyk(71.1%, 38.1%, 0%, 22.7%)
CIE-LAB	lab(50.47, 4.39, -45.11)
CIE-LCH	lch(50.47, 45.33, 275.56°)
OKLab	oklab(57.38% -0.0372 -0.1285)
OKLCH	oklch(57.38% 0.134 253.9)
XYZ	xyz(18.7212, 18.8181, 55.4581)
Luminance	0.1882 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AC5 #C58439

analogous

#39C0C5 #397AC5 #3E39C5

triadic

#397AC5 #C5397A #7AC539

tetradic

#397AC5 #C539C0 #C58439 #39C53E

square

#397AC5 #C539C0 #C58439 #39C53E

split-complementary

#397AC5 #C53E39 #C0C539

monochromatic

#1E3F66 #2B5D96 #397AC5 #689AD3 #97BAE1

Accessibility & contrast

On white

4.41

#397AC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.76

#397AC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AC5

4.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AC5	#FFFFFF	#000000	##000000
##397AC5	1.00	4.41	4.76	4.76
#FFFFFF	4.41	1.00	21.00	21.00
#000000	4.76	21.00	1.00	1.00
##000000	4.76	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#587FC8

Deuteranopia (green-blind)

#4272C3

Tritanopia (blue-blind)

#008C96

Achromatopsia (no color)

#787878

Design tokens & code

CSS

--color: #397ac5;
/* rgb */ color: rgb(57, 122, 197);
/* oklch */ color: oklch(57.4% 0.134 253.9);

Tailwind

colors: {
  custom: {
    50: '#80a0d7',
    500: '#397ac5',
    950: '#000000',
  },
}

SCSS

$custom: #397ac5;
$custom-light: #80a0d7;
$custom-dark: #000000;

JSON

{
  "hex": "#397ac5",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 197
  },
  "hsl": {
    "h": 212.143,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.57376,
    "c": 0.13375,
    "h": 253.9
  },
  "luminance": 0.1882
}

Semantic roles & 50–950 ramp

primary

#397AC5

secondary

#CDAF8D

accent

#9949DE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397AC5

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

Preview Lab → · Contrast checker → · Palette generator →