#397DC3#397DC3

#397DC3 is a mid, vivid cyan. Relative luminance 0.195; OKLCH L 57.9% C 0.128 H 251.5°. Best body text is #000000 at 4.90:1 contrast (WCAG AA passes).

Color values

HEX	#397DC3
RGB	rgb(57, 125, 195)
HSL	hsl(210, 55%, 49%)
HSV	hsv(210, 71%, 76%)
CMYK	cmyk(70.8%, 35.9%, 0%, 23.5%)
CIE-LAB	lab(51.24, 1.85, -42.76)
CIE-LCH	lch(51.24, 42.80, 272.48°)
OKLab	oklab(57.94% -0.0405 -0.1215)
OKLCH	oklch(57.94% 0.128 251.5)
XYZ	xyz(18.8676, 19.4752, 54.3839)
Luminance	0.1948 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DC3 #C37F39

analogous

#39C2C3 #397DC3 #3A39C3

triadic

#397DC3 #C3397D #7DC339

tetradic

#397DC3 #C339C2 #C37F39 #39C33A

square

#397DC3 #C339C2 #C37F39 #39C33A

split-complementary

#397DC3 #C33A39 #C2C339

monochromatic

#1D4064 #2B5F94 #397DC3 #679CD2 #96BBE0

Accessibility & contrast

On white

4.29

#397DC3 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.90

#397DC3 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DC3

4.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DC3	#FFFFFF	#000000	##000000
##397DC3	1.00	4.29	4.90	4.90
#FFFFFF	4.29	1.00	21.00	21.00
#000000	4.90	21.00	1.00	1.00
##000000	4.90	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D81C6

Deuteranopia (green-blind)

#4974C2

Tritanopia (blue-blind)

#008D97

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397dc3;
/* rgb */ color: rgb(57, 125, 195);
/* oklch */ color: oklch(57.9% 0.128 251.5);

Tailwind

colors: {
  custom: {
    50: '#80a2d5',
    500: '#397dc3',
    950: '#000000',
  },
}

SCSS

$custom: #397dc3;
$custom-light: #80a2d5;
$custom-dark: #000000;

JSON

{
  "hex": "#397dc3",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 195
  },
  "hsl": {
    "h": 210.435,
    "s": 54.762,
    "l": 49.412
  },
  "oklch": {
    "l": 0.57939,
    "c": 0.12812,
    "h": 251.5
  },
  "luminance": 0.19477
}

Semantic roles & 50–950 ramp

primary

#397DC3

secondary

#CCAC8C

accent

#954ADE

background

#F8F9FD

surface

#F0F2FA

border

#CBCCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #397DC3

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

Preview Lab → · Contrast checker → · Palette generator →