#397CC1#397CC1

#397CC1 is a mid, vivid cyan. Relative luminance 0.191; OKLCH L 57.6% C 0.127 H 251.5°. Best body text is #000000 at 4.83:1 contrast (WCAG AA passes).

Color values

HEX	#397CC1
RGB	rgb(57, 124, 193)
HSL	hsl(210, 54%, 49%)
HSV	hsv(210, 70%, 76%)
CMYK	cmyk(70.5%, 35.8%, 0%, 24.3%)
CIE-LAB	lab(50.84, 1.74, -42.24)
CIE-LCH	lch(50.84, 42.27, 272.36°)
OKLab	oklab(57.6% -0.0401 -0.12)
OKLCH	oklch(57.6% 0.127 251.5)
XYZ	xyz(18.5170, 19.1334, 53.1590)
Luminance	0.1913 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CC1 #C17E39

analogous

#39C0C1 #397CC1 #3A39C1

triadic

#397CC1 #C1397C #7CC139

tetradic

#397CC1 #C139C0 #C17E39 #39C13A

square

#397CC1 #C139C0 #C17E39 #39C13A

split-complementary

#397CC1 #C13A39 #C0C139

monochromatic

#1D3F63 #2B5E92 #397CC1 #669BD2 #95BAE0

Accessibility & contrast

On white

4.35

#397CC1 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.83

#397CC1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397CC1

4.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CC1	#FFFFFF	#000000	##000000
##397CC1	1.00	4.35	4.83	4.83
#FFFFFF	4.35	1.00	21.00	21.00
#000000	4.83	21.00	1.00	1.00
##000000	4.83	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#5D80C4

Deuteranopia (green-blind)

#4973C0

Tritanopia (blue-blind)

#008C95

Achromatopsia (no color)

#797979

Design tokens & code

CSS

--color: #397cc1;
/* rgb */ color: rgb(57, 124, 193);
/* oklch */ color: oklch(57.6% 0.127 251.5);

Tailwind

colors: {
  custom: {
    50: '#7fa1d4',
    500: '#397cc1',
    950: '#000000',
  },
}

SCSS

$custom: #397cc1;
$custom-light: #7fa1d4;
$custom-dark: #000000;

JSON

{
  "hex": "#397cc1",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 193
  },
  "hsl": {
    "h": 210.441,
    "s": 54.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.57595,
    "c": 0.12655,
    "h": 251.5
  },
  "luminance": 0.19135
}

Semantic roles & 50–950 ramp

primary

#397CC1

secondary

#CBAB8B

accent

#954ADE

background

#F8F9FD

surface

#EFF2FA

border

#CACCD3

text

#0B0E14

muted

#7C7E83

Preview Lab

Preview with #397CC1

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

Preview Lab → · Contrast checker → · Palette generator →