#1747A0#1747A0

#1747A0 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.3% C 0.154 H 261.4°. Best body text is #FFFFFF at 8.59:1 contrast (WCAG AA passes).

Color values

HEX	#1747A0
RGB	rgb(23, 71, 160)
HSL	hsl(219, 75%, 36%)
HSV	hsv(219, 86%, 63%)
CMYK	cmyk(85.6%, 55.6%, 0%, 37.3%)
CIE-LAB	lab(32.32, 19.21, -52.62)
CIE-LCH	lch(32.32, 56.01, 290.06°)
OKLab	oklab(42.31% -0.023 -0.1519)
OKLCH	oklch(42.31% 0.154 261.4)
XYZ	xyz(8.9495, 7.2256, 34.1739)
Luminance	0.0723 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1747A0 #A07017

analogous

#178BA0 #1747A0 #2B17A0

triadic

#1747A0 #A01747 #47A017

tetradic

#1747A0 #A0178B #A07017 #17A02B

square

#1747A0 #A0178B #A07017 #17A02B

split-complementary

#1747A0 #A02B17 #8BA017

monochromatic

#081835 #0F2F6A #1747A0 #1F5FD6 #4C82E5

Accessibility & contrast

On white

8.59

#1747A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#1747A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1747A0

8.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1747A0	#FFFFFF	#000000	##FFFFFF
##1747A0	1.00	8.59	2.45	8.59
#FFFFFF	8.59	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052A3

Deuteranopia (green-blind)

#00469E

Tritanopia (blue-blind)

#005D6C

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1747a0;
/* rgb */ color: rgb(23, 71, 160);
/* oklch */ color: oklch(42.3% 0.154 261.4);

Tailwind

colors: {
  custom: {
    50: '#6e79bd',
    500: '#1747a0',
    950: '#000000',
  },
}

SCSS

$custom: #1747a0;
$custom-light: #6e79bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1747a0",
  "rgb": {
    "r": 23,
    "g": 71,
    "b": 160
  },
  "hsl": {
    "h": 218.978,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.42313,
    "c": 0.15367,
    "h": 261.4
  },
  "luminance": 0.07227
}

Semantic roles & 50–950 ramp

primary

#1747A0

secondary

#C79C4C

accent

#B036F1

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1747A0

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

Preview Lab → · Contrast checker → · Palette generator →