#1729A0#1729A0

#1729A0 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 36.7% C 0.189 H 267.4°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#1729A0
RGB	rgb(23, 41, 160)
HSL	hsl(232, 75%, 36%)
HSV	hsv(232, 86%, 63%)
CMYK	cmyk(85.6%, 74.4%, 0%, 37.3%)
CIE-LAB	lab(24.66, 39.12, -65.17)
CIE-LCH	lch(24.66, 76.01, 300.97°)
OKLab	oklab(36.66% -0.0085 -0.1889)
OKLCH	oklch(36.66% 0.189 267.4)
XYZ	xyz(7.4892, 4.3052, 33.6871)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1729A0 #A08E17

analogous

#176DA0 #1729A0 #4917A0

triadic

#1729A0 #A01729 #29A017

tetradic

#1729A0 #A0176D #A08E17 #17A049

square

#1729A0 #A0176D #A08E17 #17A049

split-complementary

#1729A0 #A04917 #6DA017

monochromatic

#080E35 #0F1B6A #1729A0 #1F37D6 #4C60E5

Accessibility & contrast

On white

11.28

#1729A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#1729A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1729A0

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1729A0	#FFFFFF	#000000	##FFFFFF
##1729A0	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0041A3

Deuteranopia (green-blind)

#00349E

Tritanopia (blue-blind)

#004C62

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #1729a0;
/* rgb */ color: rgb(23, 41, 160);
/* oklch */ color: oklch(36.7% 0.189 267.4);

Tailwind

colors: {
  custom: {
    50: '#7163bd',
    500: '#1729a0',
    950: '#000000',
  },
}

SCSS

$custom: #1729a0;
$custom-light: #7163bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1729a0",
  "rgb": {
    "r": 23,
    "g": 41,
    "b": 160
  },
  "hsl": {
    "h": 232.117,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.36655,
    "c": 0.18913,
    "h": 267.4
  },
  "luminance": 0.04306
}

Semantic roles & 50–950 ramp

primary

#1729A0

secondary

#C7B74C

accent

#D936F1

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#090512

muted

#7B7A81

Preview Lab

Preview with #1729A0

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

Preview Lab → · Contrast checker → · Palette generator →