#1A1579#1A1579

#1A1579 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.4% C 0.159 H 272.9°. Best body text is #FFFFFF at 14.71:1 contrast (WCAG AA passes).

Color values

HEX	#1A1579
RGB	rgb(26, 21, 121)
HSL	hsl(243, 70%, 28%)
HSV	hsv(243, 83%, 47%)
CMYK	cmyk(78.5%, 82.6%, 0%, 52.5%)
CIE-LAB	lab(16.19, 37.25, -54.84)
CIE-LCH	lch(16.19, 66.30, 304.19°)
OKLab	oklab(29.37% 0.0079 -0.1587)
OKLCH	oklch(29.37% 0.159 272.9)
XYZ	xyz(4.1442, 2.1360, 18.2793)
Luminance	0.0214 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1579 #747915

analogous

#154279 #1A1579 #4C1579

triadic

#1A1579 #791A15 #15791A

tetradic

#1A1579 #791542 #747915 #15794C

square

#1A1579 #791542 #747915 #15794C

split-complementary

#1A1579 #794C15 #427915

monochromatic

#06051A #0F0C45 #1A1579 #251EAD #362EDB

Accessibility & contrast

On white

14.71

#1A1579 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#1A1579 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1579

14.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1579	#FFFFFF	#000000	##FFFFFF
##1A1579	1.00	14.71	1.43	14.71
#FFFFFF	14.71	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7C

Deuteranopia (green-blind)

#002377

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1a1579;
/* rgb */ color: rgb(26, 21, 121);
/* oklch */ color: oklch(29.4% 0.159 272.9);

Tailwind

colors: {
  custom: {
    50: '#6955a1',
    500: '#1a1579',
    950: '#000000',
  },
}

SCSS

$custom: #1a1579;
$custom-light: #6955a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1579",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 121
  },
  "hsl": {
    "h": 243,
    "s": 70.423,
    "l": 27.843
  },
  "oklch": {
    "l": 0.29374,
    "c": 0.15888,
    "h": 272.9
  },
  "luminance": 0.02136
}

Semantic roles & 50–950 ramp

primary

#1A1579

secondary

#A9AF3B

accent

#ED3BE4

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #1A1579

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

Preview Lab → · Contrast checker → · Palette generator →