#1A1578#1A1578

#1A1578 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.3% C 0.158 H 273.0°. Best body text is #FFFFFF at 14.76:1 contrast (WCAG AA passes).

Color values

HEX	#1A1578
RGB	rgb(26, 21, 120)
HSL	hsl(243, 70%, 28%)
HSV	hsv(243, 83%, 47%)
CMYK	cmyk(78.3%, 82.5%, 0%, 52.9%)
CIE-LAB	lab(16.06, 36.92, -54.40)
CIE-LCH	lch(16.06, 65.74, 304.16°)
OKLab	oklab(29.25% 0.0082 -0.1574)
OKLCH	oklch(29.25% 0.158 273)
XYZ	xyz(4.0832, 2.1116, 17.9580)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1578 #737815

analogous

#154278 #1A1578 #4B1578

triadic

#1A1578 #781A15 #15781A

tetradic

#1A1578 #781542 #737815 #15784B

square

#1A1578 #781542 #737815 #15784B

split-complementary

#1A1578 #784B15 #427815

monochromatic

#06051A #0F0C44 #1A1578 #251EAC #362DDA

Accessibility & contrast

On white

14.76

#1A1578 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#1A1578 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1578

14.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1578	#FFFFFF	#000000	##FFFFFF
##1A1578	1.00	14.76	1.42	14.76
#FFFFFF	14.76	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D7B

Deuteranopia (green-blind)

#002376

Tritanopia (blue-blind)

#003447

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #1a1578;
/* rgb */ color: rgb(26, 21, 120);
/* oklch */ color: oklch(29.3% 0.158 273.0);

Tailwind

colors: {
  custom: {
    50: '#6955a0',
    500: '#1a1578',
    950: '#000000',
  },
}

SCSS

$custom: #1a1578;
$custom-light: #6955a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1578",
  "rgb": {
    "r": 26,
    "g": 21,
    "b": 120
  },
  "hsl": {
    "h": 243.03,
    "s": 70.213,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29252,
    "c": 0.15762,
    "h": 273
  },
  "luminance": 0.02112
}

Semantic roles & 50–950 ramp

primary

#1A1578

secondary

#A8AE3B

accent

#ED3BE4

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07030F

muted

#7A787F

Preview Lab

Preview with #1A1578

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

Preview Lab → · Contrast checker → · Palette generator →