#397CCA#397CCA

#397CCA is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 58.1% C 0.138 H 254.1°. Best body text is #000000 at 4.91:1 contrast (WCAG AA passes).

Color values

HEX	#397CCA
RGB	rgb(57, 124, 202)
HSL	hsl(212, 58%, 51%)
HSV	hsv(212, 72%, 79%)
CMYK	cmyk(71.8%, 38.6%, 0%, 20.8%)
CIE-LAB	lab(51.32, 4.98, -46.62)
CIE-LCH	lch(51.32, 46.88, 276.09°)
OKLab	oklab(58.13% -0.0379 -0.1329)
OKLCH	oklch(58.13% 0.138 254.1)
XYZ	xyz(19.5517, 19.5473, 58.6082)
Luminance	0.1955 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CCA #CA8739

analogous

#39C4CA #397CCA #3E39CA

triadic

#397CCA #CA397C #7CCA39

tetradic

#397CCA #CA39C4 #CA8739 #39CA3E

square

#397CCA #CA39C4 #CA8739 #39CA3E

split-complementary

#397CCA #CA3E39 #C4CA39

monochromatic

#1D416C #2A5F9C #397CCA #699CD7 #9ABCE4

Accessibility & contrast

On white

4.28

#397CCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.91

#397CCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CCA

4.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CCA	#FFFFFF	#000000	##000000
##397CCA	1.00	4.28	4.91	4.91
#FFFFFF	4.28	1.00	21.00	21.00
#000000	4.91	21.00	1.00	1.00
##000000	4.91	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5882CD

Deuteranopia (green-blind)

#4274C8

Tritanopia (blue-blind)

#008E99

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397cca;
/* rgb */ color: rgb(57, 124, 202);
/* oklch */ color: oklch(58.1% 0.138 254.1);

Tailwind

colors: {
  custom: {
    50: '#81a1da',
    500: '#397cca',
    950: '#000000',
  },
}

SCSS

$custom: #397cca;
$custom-light: #81a1da;
$custom-dark: #000000;

JSON

{
  "hex": "#397cca",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 202
  },
  "hsl": {
    "h": 212.276,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.58125,
    "c": 0.13815,
    "h": 254.1
  },
  "luminance": 0.19549
}

Semantic roles & 50–950 ramp

primary

#397CCA

secondary

#D0B28F

accent

#9A47E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0E15

muted

#7D7E83

Preview Lab

Preview with #397CCA

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

Preview Lab → · Contrast checker → · Palette generator →