#1D1A73#1D1A73

#1D1A73 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.6% C 0.145 H 274.4°. Best body text is #FFFFFF at 14.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D1A73
RGB	rgb(29, 26, 115)
HSL	hsl(242, 63%, 28%)
HSV	hsv(242, 77%, 45%)
CMYK	cmyk(74.8%, 77.4%, 0%, 54.9%)
CIE-LAB	lab(16.69, 32.58, -50.14)
CIE-LCH	lch(16.69, 59.80, 303.02°)
OKLab	oklab(29.57% 0.011 -0.145)
OKLCH	oklch(29.57% 0.145 274.4)
XYZ	xyz(3.9696, 2.2374, 16.4390)
Luminance	0.0224 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1A73 #70731A

analogous

#1A4473 #1D1A73 #491A73

triadic

#1D1A73 #731D1A #1A731D

tetradic

#1D1A73 #731A44 #70731A #1A7349

square

#1D1A73 #731A44 #70731A #1A7349

split-complementary

#1D1A73 #73491A #44731A

monochromatic

#060619 #100F41 #1D1A73 #2A25A5 #3B36D2

Accessibility & contrast

On white

14.51

#1D1A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.45

#1D1A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1A73

14.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1A73	#FFFFFF	#000000	##FFFFFF
##1D1A73	1.00	14.51	1.45	14.51
#FFFFFF	14.51	1.00	21.00	1.00
#000000	1.45	21.00	1.00	21.00
##FFFFFF	14.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D76

Deuteranopia (green-blind)

#002571

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#292929

Design tokens & code

CSS

--color: #1d1a73;
/* rgb */ color: rgb(29, 26, 115);
/* oklch */ color: oklch(29.6% 0.145 274.4);

Tailwind

colors: {
  custom: {
    50: '#68589c',
    500: '#1d1a73',
    950: '#000000',
  },
}

SCSS

$custom: #1d1a73;
$custom-light: #68589c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1a73",
  "rgb": {
    "r": 29,
    "g": 26,
    "b": 115
  },
  "hsl": {
    "h": 242.022,
    "s": 63.121,
    "l": 27.647
  },
  "oklch": {
    "l": 0.29574,
    "c": 0.14543,
    "h": 274.4
  },
  "luminance": 0.02238
}

Semantic roles & 50–950 ramp

primary

#1D1A73

secondary

#A4A841

accent

#E642E1

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1A73

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

Preview Lab → · Contrast checker → · Palette generator →