#1A1573#1A1573

#1A1573 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.6% C 0.151 H 273.6°. Best body text is #FFFFFF at 15.01:1 contrast (WCAG AA passes).

Color values

HEX	#1A1573
RGB	rgb(26, 21, 115)
HSL	hsl(243, 69%, 27%)
HSV	hsv(243, 82%, 45%)
CMYK	cmyk(77.4%, 81.7%, 0%, 54.9%)
CIE-LAB	lab(15.45, 35.21, -52.19)
CIE-LCH	lch(15.45, 62.95, 304.01°)
OKLab	oklab(28.65% 0.0094 -0.151)
OKLCH	oklch(28.65% 0.151 273.6)
XYZ	xyz(3.7876, 1.9934, 16.4015)
Luminance	0.0199 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1573 #6E7315

analogous

#153F73 #1A1573 #491573

triadic

#1A1573 #731A15 #15731A

tetradic

#1A1573 #73153F #6E7315 #157349

square

#1A1573 #73153F #6E7315 #157349

split-complementary

#1A1573 #734915 #3F7315

monochromatic

#06051A #0E0C3F #1A1573 #261EA7 #332AD8

Accessibility & contrast

On white

15.01

#1A1573 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1A1573 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1573

15.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1573	#FFFFFF	#000000	##FFFFFF
##1A1573	1.00	15.01	1.40	15.01
#FFFFFF	15.01	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	15.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B76

Deuteranopia (green-blind)

#002271

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1a1573;
/* rgb */ color: rgb(26, 21, 115);
/* oklch */ color: oklch(28.6% 0.151 273.6);

Tailwind

colors: {
  custom: {
    50: '#67559c',
    500: '#1a1573',
    950: '#000000',
  },
}

SCSS

$custom: #1a1573;
$custom-light: #67559c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1573",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 115
  },
  "hsl": {
    "h": 243.191,
    "s": 69.118,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28648,
    "c": 0.15127,
    "h": 273.6
  },
  "luminance": 0.01994
}

Semantic roles & 50–950 ramp

primary

#1A1573

secondary

#A3A93B

accent

#EC3CE3

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1A1573

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

Preview Lab → · Contrast checker → · Palette generator →