#397EC5#397EC5

#397EC5 is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.3% C 0.130 H 251.6°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#397EC5
RGB	rgb(57, 126, 197)
HSL	hsl(210, 55%, 50%)
HSV	hsv(210, 71%, 77%)
CMYK	cmyk(71.1%, 36%, 0%, 22.7%)
CIE-LAB	lab(51.63, 1.97, -43.27)
CIE-LCH	lch(51.63, 43.32, 272.60°)
OKLab	oklab(58.28% -0.041 -0.123)
OKLCH	oklch(58.28% 0.13 251.6)
XYZ	xyz(19.2225, 19.8207, 55.6252)
Luminance	0.1982 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EC5 #C58039

analogous

#39C4C5 #397EC5 #3A39C5

triadic

#397EC5 #C5397E #7EC539

tetradic

#397EC5 #C539C4 #C58039 #39C53A

square

#397EC5 #C539C4 #C58039 #39C53A

split-complementary

#397EC5 #C53A39 #C4C539

monochromatic

#1E4166 #2B6096 #397EC5 #689DD3 #97BCE1

Accessibility & contrast

On white

4.23

#397EC5 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#397EC5 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EC5

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EC5	#FFFFFF	#000000	##000000
##397EC5	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E82C8

Deuteranopia (green-blind)

#4975C4

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397ec5;
/* rgb */ color: rgb(57, 126, 197);
/* oklch */ color: oklch(58.3% 0.130 251.6);

Tailwind

colors: {
  custom: {
    50: '#80a3d7',
    500: '#397ec5',
    950: '#000000',
  },
}

SCSS

$custom: #397ec5;
$custom-light: #80a3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#397ec5",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 197
  },
  "hsl": {
    "h": 210.429,
    "s": 55.118,
    "l": 49.804
  },
  "oklch": {
    "l": 0.58282,
    "c": 0.12968,
    "h": 251.6
  },
  "luminance": 0.19823
}

Semantic roles & 50–950 ramp

primary

#397EC5

secondary

#CDAD8D

accent

#9549DE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #397EC5

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

Preview Lab → · Contrast checker → · Palette generator →