#1D2B73#1D2B73

#1D2B73 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.7% C 0.125 H 269.7°. Best body text is #FFFFFF at 12.76:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B73
RGB	rgb(29, 43, 115)
HSL	hsl(230, 60%, 28%)
HSV	hsv(230, 75%, 45%)
CMYK	cmyk(74.8%, 62.6%, 0%, 54.9%)
CIE-LAB	lab(20.93, 21.22, -43.18)
CIE-LCH	lch(20.93, 48.12, 296.17°)
OKLab	oklab(32.66% -0.0007 -0.1246)
OKLCH	oklch(32.66% 0.125 269.7)
XYZ	xyz(4.4640, 3.2263, 16.6038)
Luminance	0.0323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B73 #73651D

analogous

#1D5673 #1D2B73 #3A1D73

triadic

#1D2B73 #731D2B #2B731D

tetradic

#1D2B73 #731D56 #73651D #1D733A

square

#1D2B73 #731D56 #73651D #1D733A

split-complementary

#1D2B73 #733A1D #56731D

monochromatic

#060918 #111942 #1D2B73 #293DA4 #3C54CE

Accessibility & contrast

On white

12.76

#1D2B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1D2B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B73

12.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B73	#FFFFFF	#000000	##FFFFFF
##1D2B73	1.00	12.76	1.65	12.76
#FFFFFF	12.76	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003675

Deuteranopia (green-blind)

#002E72

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2b73;
/* rgb */ color: rgb(29, 43, 115);
/* oklch */ color: oklch(32.7% 0.125 269.7);

Tailwind

colors: {
  custom: {
    50: '#66649c',
    500: '#1d2b73',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b73;
$custom-light: #66649c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b73",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 115
  },
  "hsl": {
    "h": 230.233,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32657,
    "c": 0.1246,
    "h": 269.7
  },
  "luminance": 0.03227
}

Semantic roles & 50–950 ramp

primary

#1D2B73

secondary

#A79745

accent

#C945E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2B73

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

Preview Lab → · Contrast checker → · Palette generator →