#397AB0#397AB0

#397AB0 is a mid, moderate cyan. Relative luminance 0.179; OKLCH L 56.2% C 0.107 H 246.4°. Best body text is #000000 at 4.58:1 contrast (WCAG AA passes).

Color values

HEX	#397AB0
RGB	rgb(57, 122, 176)
HSL	hsl(207, 51%, 46%)
HSV	hsv(207, 68%, 69%)
CMYK	cmyk(67.6%, 30.7%, 0%, 31%)
CIE-LAB	lab(49.40, -3.09, -34.72)
CIE-LCH	lch(49.40, 34.85, 264.92°)
OKLab	oklab(56.18% -0.0429 -0.0981)
OKLCH	oklch(56.18% 0.107 246.4)
XYZ	xyz(16.4804, 17.9218, 43.6566)
Luminance	0.1792 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#397AB0 #B06F39

analogous

#39B0AA #397AB0 #393EB0

triadic

#397AB0 #B0397A #7AB039

tetradic

#397AB0 #AA39B0 #B06F39 #3EB039

square

#397AB0 #AA39B0 #B06F39 #3EB039

split-complementary

#397AB0 #B0393E #B0AA39

monochromatic

#1B3A54 #2A5A82 #397AB0 #5C98CA #8AB5D9

Accessibility & contrast

On white

4.58

#397AB0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.58

#397AB0 on #000000

AA ✓AA large ✓AAA ✗

Best text color

#000000 on #397AB0

4.58:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##397AB0	#FFFFFF	#000000	##000000
##397AB0	1.00	4.58	4.58	4.58
#FFFFFF	4.58	1.00	21.00	21.00
#000000	4.58	21.00	1.00	1.00
##000000	4.58	21.00	1.00	1.00

Color blindness preview

Protanopia (red-blind)

#627CB2

Deuteranopia (green-blind)

#5270AF

Tritanopia (blue-blind)

#00878D

Achromatopsia (no color)

#757575

Design tokens & code

CSS

--color: #397ab0;
/* rgb */ color: rgb(57, 122, 176);
/* oklch */ color: oklch(56.2% 0.107 246.4);

Tailwind

colors: {
  custom: {
    50: '#7ca0c8',
    500: '#397ab0',
    950: '#000000',
  },
}

SCSS

$custom: #397ab0;
$custom-light: #7ca0c8;
$custom-dark: #000000;

JSON

{
  "hex": "#397ab0",
  "rgb": {
    "r": 57,
    "g": 122,
    "b": 176
  },
  "hsl": {
    "h": 207.227,
    "s": 51.073,
    "l": 45.686
  },
  "oklch": {
    "l": 0.56184,
    "c": 0.10711,
    "h": 246.4
  },
  "luminance": 0.17924
}

Semantic roles & 50–950 ramp

primary

#397AB0

secondary

#C49F81

accent

#8D4DDB

background

#F8F9FC

surface

#EFF2F8

border

#CACCD1

text

#0B0E13

muted

#7C7E82

Preview Lab

Preview with #397AB0

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

Preview Lab → · Contrast checker → · Palette generator →