#1A1E73#1A1E73

#1A1E73 is a dark, vivid blue. Relative luminance 0.024; OKLCH L 30.0% C 0.142 H 272.0°. Best body text is #FFFFFF at 14.22:1 contrast (WCAG AA passes).

Color values

HEX	#1A1E73
RGB	rgb(26, 30, 115)
HSL	hsl(237, 63%, 28%)
HSV	hsv(237, 77%, 45%)
CMYK	cmyk(77.4%, 73.9%, 0%, 54.9%)
CIE-LAB	lab(17.39, 29.75, -48.98)
CIE-LCH	lch(17.39, 57.31, 301.27°)
OKLab	oklab(30.03% 0.005 -0.1417)
OKLCH	oklch(30.03% 0.142 272)
XYZ	xyz(3.9837, 2.3855, 16.4668)
Luminance	0.0239 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1E73 #736F1A

analogous

#1A4B73 #1A1E73 #421A73

triadic

#1A1E73 #731A1E #1E731A

tetradic

#1A1E73 #731A4B #736F1A #1A7342

square

#1A1E73 #731A4B #736F1A #1A7342

split-complementary

#1A1E73 #73421A #4B731A

monochromatic

#060719 #0F1141 #1A1E73 #252BA5 #363DD2

Accessibility & contrast

On white

14.22

#1A1E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.48

#1A1E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1E73

14.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1E73	#FFFFFF	#000000	##FFFFFF
##1A1E73	1.00	14.22	1.48	14.22
#FFFFFF	14.22	1.00	21.00	1.00
#000000	1.48	21.00	1.00	21.00
##FFFFFF	14.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F76

Deuteranopia (green-blind)

#002671

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#2B2B2B

Design tokens & code

CSS

--color: #1a1e73;
/* rgb */ color: rgb(26, 30, 115);
/* oklch */ color: oklch(30.0% 0.142 272.0);

Tailwind

colors: {
  custom: {
    50: '#665a9c',
    500: '#1a1e73',
    950: '#000000',
  },
}

SCSS

$custom: #1a1e73;
$custom-light: #665a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1e73",
  "rgb": {
    "r": 26,
    "g": 30,
    "b": 115
  },
  "hsl": {
    "h": 237.303,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.30025,
    "c": 0.14182,
    "h": 272
  },
  "luminance": 0.02386
}

Semantic roles & 50–950 ramp

primary

#1A1E73

secondary

#A8A341

accent

#DF42E6

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07040E

muted

#7A797E

Preview Lab

Preview with #1A1E73

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

Preview Lab → · Contrast checker → · Palette generator →