#397BCA#397BCA

#397BCA is a mid, vivid cyan. Relative luminance 0.193; OKLCH L 57.9% C 0.139 H 254.6°. Best body text is #000000 at 4.86:1 contrast (WCAG AA passes).

Color values

HEX	#397BCA
RGB	rgb(57, 123, 202)
HSL	hsl(213, 58%, 51%)
HSV	hsv(213, 72%, 79%)
CMYK	cmyk(71.8%, 39.1%, 0%, 20.8%)
CIE-LAB	lab(51.03, 5.59, -47.08)
CIE-LCH	lch(51.03, 47.41, 276.77°)
OKLab	oklab(57.9% -0.0369 -0.1342)
OKLCH	oklch(57.9% 0.139 254.6)
XYZ	xyz(19.4270, 19.2979, 58.5667)
Luminance	0.1930 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397BCA #CA8839

analogous

#39C3CA #397BCA #3F39CA

triadic

#397BCA #CA397B #7BCA39

tetradic

#397BCA #CA39C3 #CA8839 #39CA3F

square

#397BCA #CA39C3 #CA8839 #39CA3F

split-complementary

#397BCA #CA3F39 #C3CA39

monochromatic

#1D416C #2A5E9C #397BCA #699BD7 #9ABBE4

Accessibility & contrast

On white

4.32

#397BCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.86

#397BCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397BCA

4.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397BCA	#FFFFFF	#000000	##000000
##397BCA	1.00	4.32	4.86	4.86
#FFFFFF	4.32	1.00	21.00	21.00
#000000	4.86	21.00	1.00	1.00
##000000	4.86	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5681CD

Deuteranopia (green-blind)

#4073C8

Tritanopia (blue-blind)

#008D99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397bca;
/* rgb */ color: rgb(57, 123, 202);
/* oklch */ color: oklch(57.9% 0.139 254.6);

Tailwind

colors: {
  custom: {
    50: '#81a0da',
    500: '#397bca',
    950: '#000000',
  },
}

SCSS

$custom: #397bca;
$custom-light: #81a0da;
$custom-dark: #000000;

JSON

{
  "hex": "#397bca",
  "rgb": {
    "r": 57,
    "g": 123,
    "b": 202
  },
  "hsl": {
    "h": 212.69,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.57901,
    "c": 0.13921,
    "h": 254.6
  },
  "luminance": 0.193
}

Semantic roles & 50–950 ramp

primary

#397BCA

secondary

#D0B28F

accent

#9B47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #397BCA

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

Preview Lab → · Contrast checker → · Palette generator →