#397DC1#397DC1

#397DC1 is a mid, vivid cyan. Relative luminance 0.194; OKLCH L 57.8% C 0.126 H 250.9°. Best body text is #000000 at 4.88:1 contrast (WCAG AA passes).

Color values

HEX	#397DC1
RGB	rgb(57, 125, 193)
HSL	hsl(210, 54%, 49%)
HSV	hsv(210, 70%, 76%)
CMYK	cmyk(70.5%, 35.2%, 0%, 24.3%)
CIE-LAB	lab(51.13, 1.14, -41.78)
CIE-LCH	lch(51.13, 41.79, 271.56°)
OKLab	oklab(57.82% -0.0411 -0.1187)
OKLCH	oklch(57.82% 0.126 250.9)
XYZ	xyz(18.6430, 19.3853, 53.2010)
Luminance	0.1939 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397DC1 #C17D39

analogous

#39C1C1 #397DC1 #3939C1

triadic

#397DC1 #C1397D #7DC139

tetradic

#397DC1 #C139C1 #C17D39 #39C139

square

#397DC1 #C139C1 #C17D39 #39C139

split-complementary

#397DC1 #C13939 #C1C139

monochromatic

#1D4063 #2B5E92 #397DC1 #669CD2 #95BAE0

Accessibility & contrast

On white

4.31

#397DC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.88

#397DC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397DC1

4.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397DC1	#FFFFFF	#000000	##000000
##397DC1	1.00	4.31	4.88	4.88
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.88	21.00	1.00	1.00
##000000	4.88	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5E81C4

Deuteranopia (green-blind)

#4B74C0

Tritanopia (blue-blind)

#008D96

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397dc1;
/* rgb */ color: rgb(57, 125, 193);
/* oklch */ color: oklch(57.8% 0.126 250.9);

Tailwind

colors: {
  custom: {
    50: '#7fa2d4',
    500: '#397dc1',
    950: '#000000',
  },
}

SCSS

$custom: #397dc1;
$custom-light: #7fa2d4;
$custom-dark: #000000;

JSON

{
  "hex": "#397dc1",
  "rgb": {
    "r": 57,
    "g": 125,
    "b": 193
  },
  "hsl": {
    "h": 210,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57824,
    "c": 0.12557,
    "h": 250.9
  },
  "luminance": 0.19387
}

Semantic roles & 50–950 ramp

primary

#397DC1

secondary

#CBAB8B

accent

#944ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0F14

muted

#7C7E83

Preview Lab

Preview with #397DC1

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

Preview Lab → · Contrast checker → · Palette generator →