#397EC6#397EC6

#397EC6 is a mid, vivid cyan. Relative luminance 0.199; OKLCH L 58.3% C 0.131 H 251.9°. Best body text is #000000 at 4.97:1 contrast (WCAG AA passes).

Color values

HEX	#397EC6
RGB	rgb(57, 126, 198)
HSL	hsl(211, 55%, 50%)
HSV	hsv(211, 71%, 78%)
CMYK	cmyk(71.2%, 36.4%, 0%, 22.4%)
CIE-LAB	lab(51.69, 2.32, -43.76)
CIE-LCH	lch(51.69, 43.82, 273.04°)
OKLab	oklab(58.34% -0.0407 -0.1245)
OKLCH	oklch(58.34% 0.131 251.9)
XYZ	xyz(19.3374, 19.8667, 56.2307)
Luminance	0.1987 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397EC6 #C68139

analogous

#39C5C6 #397EC6 #3A39C6

triadic

#397EC6 #C6397E #7EC639

tetradic

#397EC6 #C639C5 #C68139 #39C63A

square

#397EC6 #C639C5 #C68139 #39C63A

split-complementary

#397EC6 #C63A39 #C5C639

monochromatic

#1E4267 #2B6096 #397EC6 #699DD4 #98BCE1

Accessibility & contrast

On white

4.22

#397EC6 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.97

#397EC6 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397EC6

4.97:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397EC6	#FFFFFF	#000000	##000000
##397EC6	1.00	4.22	4.97	4.97
#FFFFFF	4.22	1.00	21.00	21.00
#000000	4.97	21.00	1.00	1.00
##000000	4.97	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D82C9

Deuteranopia (green-blind)

#4975C5

Tritanopia (blue-blind)

#008F98

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397ec6;
/* rgb */ color: rgb(57, 126, 198);
/* oklch */ color: oklch(58.3% 0.131 251.9);

Tailwind

colors: {
  custom: {
    50: '#80a3d7',
    500: '#397ec6',
    950: '#000000',
  },
}

SCSS

$custom: #397ec6;
$custom-light: #80a3d7;
$custom-dark: #000000;

JSON

{
  "hex": "#397ec6",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 198
  },
  "hsl": {
    "h": 210.638,
    "s": 55.294,
    "l": 50
  },
  "oklch": {
    "l": 0.5834,
    "c": 0.13096,
    "h": 251.9
  },
  "luminance": 0.19869
}

Semantic roles & 50–950 ramp

primary

#397EC6

secondary

#CDAE8E

accent

#9549DF

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #397EC6

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

Preview Lab → · Contrast checker → · Palette generator →