#397CA1#397CA1

#397CA1 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 55.9% C 0.089 H 235.6°. Best body text is #FFFFFF at 4.59:1 contrast (WCAG AA passes).

Color values

HEX	#397CA1
RGB	rgb(57, 124, 161)
HSL	hsl(201, 48%, 43%)
HSV	hsv(201, 65%, 63%)
CMYK	cmyk(64.6%, 23%, 0%, 36.9%)
CIE-LAB	lab(49.32, -9.42, -26.12)
CIE-LCH	lch(49.32, 27.77, 250.17°)
OKLab	oklab(55.9% -0.0501 -0.0732)
OKLCH	oklch(55.9% 0.089 235.6)
XYZ	xyz(15.3255, 17.8568, 36.3503)
Luminance	0.1786 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397CA1 #A15E39

analogous

#39A192 #397CA1 #3948A1

triadic

#397CA1 #A1397C #7CA139

tetradic

#397CA1 #9239A1 #A15E39 #48A139

square

#397CA1 #9239A1 #A15E39 #48A139

split-complementary

#397CA1 #A13948 #A19239

monochromatic

#193647 #295974 #397CA1 #559BC3 #82B6D3

Accessibility & contrast

On white

4.59

#397CA1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.57

#397CA1 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#FFFFFF on #397CA1

4.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397CA1	#FFFFFF	#000000	##FFFFFF
##397CA1	1.00	4.59	4.57	4.59
#FFFFFF	4.59	1.00	21.00	1.00
#000000	4.57	21.00	1.00	21.00
##FFFFFF	4.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#6A7BA3

Deuteranopia (green-blind)

#5C71A0

Tritanopia (blue-blind)

#008688

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397ca1;
/* rgb */ color: rgb(57, 124, 161);
/* oklch */ color: oklch(55.9% 0.089 235.6);

Tailwind

colors: {
  custom: {
    50: '#7aa1bd',
    500: '#397ca1',
    950: '#000000',
  },
}

SCSS

$custom: #397ca1;
$custom-light: #7aa1bd;
$custom-dark: #000000;

JSON

{
  "hex": "#397ca1",
  "rgb": {
    "r": 57,
    "g": 124,
    "b": 161
  },
  "hsl": {
    "h": 201.346,
    "s": 47.706,
    "l": 42.745
  },
  "oklch": {
    "l": 0.55896,
    "c": 0.08872,
    "h": 235.6
  },
  "luminance": 0.17858
}

Semantic roles & 50–950 ramp

primary

#397CA1

secondary

#BC9179

accent

#8050D7

background

#F7F9FB

surface

#EEF2F6

border

#C9CCD0

text

#0A0F12

muted

#7C7E81

Preview Lab

Preview with #397CA1

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

Preview Lab → · Contrast checker → · Palette generator →