#1723A0#1723A0

#1723A0 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 35.8% C 0.195 H 268.0°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#1723A0
RGB	rgb(23, 35, 160)
HSL	hsl(235, 75%, 36%)
HSV	hsv(235, 86%, 63%)
CMYK	cmyk(85.6%, 78.1%, 0%, 37.3%)
CIE-LAB	lab(23.41, 42.64, -67.24)
CIE-LCH	lch(23.41, 79.62, 302.38°)
OKLab	oklab(35.77% -0.0069 -0.1949)
OKLCH	oklch(35.77% 0.195 268)
XYZ	xyz(7.2974, 3.9214, 33.6232)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1723A0 #A09417

analogous

#1767A0 #1723A0 #5017A0

triadic

#1723A0 #A01723 #23A017

tetradic

#1723A0 #A01767 #A09417 #17A050

square

#1723A0 #A01767 #A09417 #17A050

split-complementary

#1723A0 #A05017 #67A017

monochromatic

#080C35 #0F176A #1723A0 #1F2FD6 #4C5AE5

Accessibility & contrast

On white

11.77

#1723A0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#1723A0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1723A0

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1723A0	#FFFFFF	#000000	##FFFFFF
##1723A0	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003FA4

Deuteranopia (green-blind)

#00319E

Tritanopia (blue-blind)

#004961

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1723a0;
/* rgb */ color: rgb(23, 35, 160);
/* oklch */ color: oklch(35.8% 0.195 268.0);

Tailwind

colors: {
  custom: {
    50: '#7260bd',
    500: '#1723a0',
    950: '#000000',
  },
}

SCSS

$custom: #1723a0;
$custom-light: #7260bd;
$custom-dark: #000000;

JSON

{
  "hex": "#1723a0",
  "rgb": {
    "r": 23,
    "g": 35,
    "b": 160
  },
  "hsl": {
    "h": 234.745,
    "s": 74.863,
    "l": 35.882
  },
  "oklch": {
    "l": 0.35769,
    "c": 0.19498,
    "h": 268
  },
  "luminance": 0.03922
}

Semantic roles & 50–950 ramp

primary

#1723A0

secondary

#C7BC4C

accent

#E136F1

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0512

muted

#7C7981

Preview Lab

Preview with #1723A0

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

Preview Lab → · Contrast checker → · Palette generator →