#1D2A73#1D2A73

#1D2A73 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.5% C 0.126 H 270.1°. Best body text is #FFFFFF at 12.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A73
RGB	rgb(29, 42, 115)
HSL	hsl(231, 60%, 28%)
HSV	hsv(231, 75%, 45%)
CMYK	cmyk(74.8%, 63.5%, 0%, 54.9%)
CIE-LAB	lab(20.65, 21.93, -43.63)
CIE-LCH	lch(20.65, 48.83, 296.68°)
OKLab	oklab(32.45% 0.0001 -0.1259)
OKLCH	oklch(32.45% 0.126 270.1)
XYZ	xyz(4.4281, 3.1545, 16.5918)
Luminance	0.0316 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A73 #73661D

analogous

#1D5573 #1D2A73 #3B1D73

triadic

#1D2A73 #731D2A #2A731D

tetradic

#1D2A73 #731D55 #73661D #1D733B

square

#1D2A73 #731D55 #73661D #1D733B

split-complementary

#1D2A73 #733B1D #55731D

monochromatic

#060918 #111842 #1D2A73 #293CA4 #3C52CE

Accessibility & contrast

On white

12.88

#1D2A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.63

#1D2A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A73

12.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A73	#FFFFFF	#000000	##FFFFFF
##1D2A73	1.00	12.88	1.63	12.88
#FFFFFF	12.88	1.00	21.00	1.00
#000000	1.63	21.00	1.00	21.00
##FFFFFF	12.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003675

Deuteranopia (green-blind)

#002E72

Tritanopia (blue-blind)

#003C4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2a73;
/* rgb */ color: rgb(29, 42, 115);
/* oklch */ color: oklch(32.5% 0.126 270.1);

Tailwind

colors: {
  custom: {
    50: '#66639c',
    500: '#1d2a73',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a73;
$custom-light: #66639c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a73",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 115
  },
  "hsl": {
    "h": 230.93,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32452,
    "c": 0.12594,
    "h": 270.1
  },
  "luminance": 0.03155
}

Semantic roles & 50–950 ramp

primary

#1D2A73

secondary

#A79845

accent

#CB45E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2A73

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

Preview Lab → · Contrast checker → · Palette generator →