#397DCA#397DCA

#397DCA is a mid, vivid cyan. Relative luminance 0.198; OKLCH L 58.4% C 0.137 H 253.6°. Best body text is #000000 at 4.96:1 contrast (WCAG AA passes).

Color values

HEX	#397DCA
RGB	rgb(57, 125, 202)
HSL	hsl(212, 58%, 51%)
HSV	hsv(212, 72%, 79%)
CMYK	cmyk(71.8%, 38.1%, 0%, 20.8%)
CIE-LAB	lab(51.61, 4.37, -46.16)
CIE-LCH	lch(51.61, 46.37, 275.41°)
OKLab	oklab(58.35% -0.0388 -0.1315)
OKLCH	oklch(58.35% 0.137 253.6)
XYZ	xyz(19.6777, 19.7992, 58.6502)
Luminance	0.1980 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DCA #CA8639

analogous

#39C5CA #397DCA #3D39CA

triadic

#397DCA #CA397D #7DCA39

tetradic

#397DCA #CA39C5 #CA8639 #39CA3D

square

#397DCA #CA39C5 #CA8639 #39CA3D

split-complementary

#397DCA #CA3D39 #C5CA39

monochromatic

#1D426C #2A5F9C #397DCA #699DD7 #9ABCE4

Accessibility & contrast

On white

4.23

#397DCA on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.96

#397DCA on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DCA

4.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DCA	#FFFFFF	#000000	##000000
##397DCA	1.00	4.23	4.96	4.96
#FFFFFF	4.23	1.00	21.00	21.00
#000000	4.96	21.00	1.00	1.00
##000000	4.96	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5A82CD

Deuteranopia (green-blind)

#4375C8

Tritanopia (blue-blind)

#008F9A

Achromatopsia (no color)

#7B7B7B

Design tokens & code

CSS

--color: #397dca;
/* rgb */ color: rgb(57, 125, 202);
/* oklch */ color: oklch(58.4% 0.137 253.6);

Tailwind

colors: {
  custom: {
    50: '#81a2da',
    500: '#397dca',
    950: '#000000',
  },
}

SCSS

$custom: #397dca;
$custom-light: #81a2da;
$custom-dark: #000000;

JSON

{
  "hex": "#397dca",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 202
  },
  "hsl": {
    "h": 211.862,
    "s": 57.769,
    "l": 50.784
  },
  "oklch": {
    "l": 0.5835,
    "c": 0.13711,
    "h": 253.6
  },
  "luminance": 0.19801
}

Semantic roles & 50–950 ramp

primary

#397DCA

secondary

#D0B18F

accent

#9947E1

background

#F8F9FD

surface

#F0F2FB

border

#CBCCD4

text

#0C0F15

muted

#7D7E83

Preview Lab

Preview with #397DCA

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

Preview Lab → · Contrast checker → · Palette generator →