#397FB4#397FB4

#397FB4 is a mid, moderate cyan. Relative luminance 0.193; OKLCH L 57.6% C 0.108 H 244.2°. Best body text is #000000 at 4.87:1 contrast (WCAG AA passes).

Color values

HEX	#397FB4
RGB	rgb(57, 127, 180)
HSL	hsl(206, 52%, 46%)
HSV	hsv(206, 68%, 71%)
CMYK	cmyk(68.3%, 29.4%, 0%, 29.4%)
CIE-LAB	lab(51.09, -4.65, -34.39)
CIE-LCH	lch(51.09, 34.70, 262.30°)
OKLab	oklab(57.58% -0.0469 -0.0971)
OKLCH	oklch(57.58% 0.108 244.2)
XYZ	xyz(17.5118, 19.3420, 45.9817)
Luminance	0.1934 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397FB4 #B46E39

analogous

#39B4AC #397FB4 #3941B4

triadic

#397FB4 #B4397F #7FB439

tetradic

#397FB4 #AC39B4 #B46E39 #41B439

square

#397FB4 #AC39B4 #B46E39 #41B439

split-complementary

#397FB4 #B43941 #B4AC39

monochromatic

#1C3D57 #2A5E86 #397FB4 #5E9DCC #8DB9DB

Accessibility & contrast

On white

4.31

#397FB4 on #FFFFFF

AA ✗AA large ✓AAA ✗

On black

4.87

#397FB4 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397FB4

4.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397FB4	#FFFFFF	#000000	##000000
##397FB4	1.00	4.31	4.87	4.87
#FFFFFF	4.31	1.00	21.00	21.00
#000000	4.87	21.00	1.00	1.00
##000000	4.87	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#6780B6

Deuteranopia (green-blind)

#5674B3

Tritanopia (blue-blind)

#008C92

Achromatopsia (no color)

#7A7A7A

Design tokens & code

CSS

--color: #397fb4;
/* rgb */ color: rgb(57, 127, 180);
/* oklch */ color: oklch(57.6% 0.108 244.2);

Tailwind

colors: {
  custom: {
    50: '#7da3ca',
    500: '#397fb4',
    950: '#000000',
  },
}

SCSS

$custom: #397fb4;
$custom-light: #7da3ca;
$custom-dark: #000000;

JSON

{
  "hex": "#397fb4",
  "rgb": {
    "r": 57,
    "g": 127,
    "b": 180
  },
  "hsl": {
    "h": 205.854,
    "s": 51.899,
    "l": 46.471
  },
  "oklch": {
    "l": 0.57575,
    "c": 0.10783,
    "h": 244.2
  },
  "luminance": 0.19344
}

Semantic roles & 50–950 ramp

primary

#397FB4

secondary

#C5A083

accent

#8A4CDB

background

#F8FAFC

surface

#EFF3F8

border

#CACDD1

text

#0B0F13

muted

#7C7F82

Preview Lab

Preview with #397FB4

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

Preview Lab → · Contrast checker → · Palette generator →