#397ED1#397ED1

#397ED1 is a mid, vivid cyan. Relative luminance 0.204; OKLCH L 59.0% C 0.145 H 254.8°. Best body text is #000000 at 5.08:1 contrast (WCAG AA passes).

Color values

HEX	#397ED1
RGB	rgb(57, 126, 209)
HSL	hsl(213, 62%, 52%)
HSV	hsv(213, 73%, 82%)
CMYK	cmyk(72.7%, 39.7%, 0%, 18%)
CIE-LAB	lab(52.28, 6.29, -49.07)
CIE-LCH	lch(52.28, 49.48, 277.31°)
OKLab	oklab(59% -0.0381 -0.14)
OKLCH	oklch(59% 0.145 254.8)
XYZ	xyz(20.6526, 20.3927, 63.1570)
Luminance	0.2039 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397ED1 #D18C39

analogous

#39CAD1 #397ED1 #4039D1

triadic

#397ED1 #D1397E #7ED139

tetradic

#397ED1 #D139CA #D18C39 #39D140

square

#397ED1 #D139CA #D18C39 #39D140

split-complementary

#397ED1 #D14039 #CAD139

monochromatic

#1B4475 #2761A6 #397ED1 #6B9EDD #9CBFE8

Accessibility & contrast

On white

4.13

#397ED1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

5.08

#397ED1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397ED1

5.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397ED1	#FFFFFF	#000000	##000000
##397ED1	1.00	4.13	5.08	5.08
#FFFFFF	4.13	1.00	21.00	21.00
#000000	5.08	21.00	1.00	1.00
##000000	5.08	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5784D4

Deuteranopia (green-blind)

#3F76CF

Tritanopia (blue-blind)

#00919D

Achromatopsia (no color)

#7D7D7D

Design tokens & code

CSS

--color: #397ed1;
/* rgb */ color: rgb(57, 126, 209);
/* oklch */ color: oklch(59.0% 0.145 254.8);

Tailwind

colors: {
  custom: {
    50: '#82a2df',
    500: '#397ed1',
    950: '#000000',
  },
}

SCSS

$custom: #397ed1;
$custom-light: #82a2df;
$custom-dark: #000000;

JSON

{
  "hex": "#397ed1",
  "rgb": {
    "r": 57,
    "g": 126,
    "b": 209
  },
  "hsl": {
    "h": 212.763,
    "s": 62.295,
    "l": 52.157
  },
  "oklch": {
    "l": 0.58996,
    "c": 0.14511,
    "h": 254.8
  },
  "luminance": 0.20395
}

Semantic roles & 50–950 ramp

primary

#397ED1

secondary

#D4B692

accent

#9B42E5

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #397ED1

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

Preview Lab → · Contrast checker → · Palette generator →