#1D2C73#1D2C73

#1D2C73 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 32.9% C 0.123 H 269.3°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C73
RGB	rgb(29, 44, 115)
HSL	hsl(230, 60%, 28%)
HSV	hsv(230, 75%, 45%)
CMYK	cmyk(74.8%, 61.7%, 0%, 54.9%)
CIE-LAB	lab(21.21, 20.52, -42.73)
CIE-LCH	lch(21.21, 47.40, 295.65°)
OKLab	oklab(32.86% -0.0015 -0.1233)
OKLCH	oklch(32.86% 0.123 269.3)
XYZ	xyz(4.5008, 3.2999, 16.6161)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C73 #73641D

analogous

#1D5773 #1D2C73 #391D73

triadic

#1D2C73 #731D2C #2C731D

tetradic

#1D2C73 #731D57 #73641D #1D7339

square

#1D2C73 #731D57 #73641D #1D7339

split-complementary

#1D2C73 #73391D #57731D

monochromatic

#060918 #111942 #1D2C73 #293FA4 #3C56CE

Accessibility & contrast

On white

12.65

#1D2C73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1D2C73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C73

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C73	#FFFFFF	#000000	##FFFFFF
##1D2C73	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003775

Deuteranopia (green-blind)

#002F72

Tritanopia (blue-blind)

#003E4B

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2c73;
/* rgb */ color: rgb(29, 44, 115);
/* oklch */ color: oklch(32.9% 0.123 269.3);

Tailwind

colors: {
  custom: {
    50: '#66649c',
    500: '#1d2c73',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c73;
$custom-light: #66649c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c73",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 115
  },
  "hsl": {
    "h": 229.535,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.32864,
    "c": 0.12327,
    "h": 269.3
  },
  "luminance": 0.033
}

Semantic roles & 50–950 ramp

primary

#1D2C73

secondary

#A79645

accent

#C745E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1D2C73

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

Preview Lab → · Contrast checker → · Palette generator →