#397ED2#397ED2

#397ED2 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 59.1% C 0.146 H 255.0°. Best body text is #000000 at 5.09:1 contrast (WCAG AA passes).

Color values

HEX	#397ED2
RGB	rgb(57, 126, 210)
HSL	hsl(213, 63%, 52%)
HSV	hsv(213, 73%, 82%)
CMYK	cmyk(72.9%, 40%, 0%, 17.6%)
CIE-LAB	lab(52.33, 6.65, -49.55)
CIE-LCH	lch(52.33, 50.00, 277.65°)
OKLab	oklab(59.06% -0.0378 -0.1414)
OKLCH	oklch(59.06% 0.146 255)
XYZ	xyz(20.7768, 20.4424, 63.8111)
Luminance	0.2044 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397ED2 #D28D39

analogous

#39CBD2 #397ED2 #4039D2

triadic

#397ED2 #D2397E #7ED239

tetradic

#397ED2 #D239CB #D28D39 #39D240

square

#397ED2 #D239CB #D28D39 #39D240

split-complementary

#397ED2 #D24039 #CBD239

monochromatic

#1B4476 #2661A8 #397ED2 #6B9EDD #9DBFE9

Accessibility & contrast

On white

4.13

#397ED2 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.09

#397ED2 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397ED2

5.09:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397ED2	#FFFFFF	#000000	##000000
##397ED2	1.00	4.13	5.09	5.09
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.09	21.00	1.00	1.00
##000000	5.09	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5685D5

Deuteranopia (green-blind)

#3E76D0

Tritanopia (blue-blind)

#00929E

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #397ed2;
/* rgb */ color: rgb(57, 126, 210);
/* oklch */ color: oklch(59.1% 0.146 255.0);

Tailwind

colors: {
  custom: {
    50: '#82a2e0',
    500: '#397ed2',
    950: '#000000',
  },
}

SCSS

$custom: #397ed2;
$custom-light: #82a2e0;
$custom-dark: #000000;

JSON

{
  "hex": "#397ed2",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 210
  },
  "hsl": {
    "h": 212.941,
    "s": 62.963,
    "l": 52.353
  },
  "oklch": {
    "l": 0.59057,
    "c": 0.1464,
    "h": 255
  },
  "luminance": 0.20445
}

Semantic roles & 50–950 ramp

primary

#397ED2

secondary

#D5B792

accent

#9C42E6

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #397ED2

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

Preview Lab → · Contrast checker → · Palette generator →