#1743A0#1743A0

#1743A0 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.5% C 0.159 H 262.6°. Best body text is #FFFFFF at 8.95:1 contrast (WCAG AA passes).

Color values

HEX	#1743A0
RGB	rgb(23, 67, 160)
HSL	hsl(221, 75%, 36%)
HSV	hsv(221, 86%, 63%)
CMYK	cmyk(85.6%, 58.1%, 0%, 37.3%)
CIE-LAB	lab(31.19, 21.95, -54.44)
CIE-LCH	lch(31.19, 58.70, 291.96°)
OKLab	oklab(41.47% -0.0204 -0.1574)
OKLCH	oklch(41.47% 0.159 262.6)
XYZ	xyz(8.7034, 6.7334, 34.0919)
Luminance	0.0673 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1743A0 #A07417

analogous

#1787A0 #1743A0 #2F17A0

triadic

#1743A0 #A01743 #43A017

tetradic

#1743A0 #A01787 #A07417 #17A02F

square

#1743A0 #A01787 #A07417 #17A02F

split-complementary

#1743A0 #A02F17 #87A017

monochromatic

#081635 #0F2D6A #1743A0 #1F59D6 #4C7DE5

Accessibility & contrast

On white

8.95

#1743A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.35

#1743A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1743A0

8.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1743A0	#FFFFFF	#000000	##FFFFFF
##1743A0	1.00	8.95	2.35	8.95
#FFFFFF	8.95	1.00	21.00	1.00
#000000	2.35	21.00	1.00	21.00
##FFFFFF	8.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0050A3

Deuteranopia (green-blind)

#00439E

Tritanopia (blue-blind)

#005B6B

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1743a0;
/* rgb */ color: rgb(23, 67, 160);
/* oklch */ color: oklch(41.5% 0.159 262.6);

Tailwind

colors: {
  custom: {
    50: '#6f76bd',
    500: '#1743a0',
    950: '#000000',
  },
}

SCSS

$custom: #1743a0;
$custom-light: #6f76bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1743a0",
  "rgb": {
    "r": 23,
    "g": 67,
    "b": 160
  },
  "hsl": {
    "h": 220.73,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.41465,
    "c": 0.15871,
    "h": 262.6
  },
  "luminance": 0.06735
}

Semantic roles & 50–950 ramp

primary

#1743A0

secondary

#C79F4C

accent

#B536F1

background

#F7F7FB

surface

#EDEDF7

border

#C8C8D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1743A0

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

Preview Lab → · Contrast checker → · Palette generator →