#1D2D73#1D2D73

#1D2D73 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.1% C 0.122 H 268.9°. Best body text is #FFFFFF at 12.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D73
RGB	rgb(29, 45, 115)
HSL	hsl(229, 60%, 28%)
HSV	hsv(229, 75%, 45%)
CMYK	cmyk(74.8%, 60.9%, 0%, 54.9%)
CIE-LAB	lab(21.49, 19.81, -42.27)
CIE-LCH	lch(21.49, 46.68, 295.11°)
OKLab	oklab(33.07% -0.0023 -0.1219)
OKLCH	oklch(33.07% 0.122 268.9)
XYZ	xyz(4.5385, 3.3753, 16.6286)
Luminance	0.0338 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D73 #73631D

analogous

#1D5873 #1D2D73 #381D73

triadic

#1D2D73 #731D2D #2D731D

tetradic

#1D2D73 #731D58 #73631D #1D7338

square

#1D2D73 #731D58 #73631D #1D7338

split-complementary

#1D2D73 #73381D #58731D

monochromatic

#060A18 #111A42 #1D2D73 #2940A4 #3C58CE

Accessibility & contrast

On white

12.54

#1D2D73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D2D73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D73

12.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D73	#FFFFFF	#000000	##FFFFFF
##1D2D73	1.00	12.54	1.68	12.54
#FFFFFF	12.54	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003875

Deuteranopia (green-blind)

#003072

Tritanopia (blue-blind)

#003E4B

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2d73;
/* rgb */ color: rgb(29, 45, 115);
/* oklch */ color: oklch(33.1% 0.122 268.9);

Tailwind

colors: {
  custom: {
    50: '#66659c',
    500: '#1d2d73',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d73;
$custom-light: #66659c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d73",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 115
  },
  "hsl": {
    "h": 228.837,
    "s": 59.722,
    "l": 28.235
  },
  "oklch": {
    "l": 0.33074,
    "c": 0.12192,
    "h": 268.9
  },
  "luminance": 0.03376
}

Semantic roles & 50–950 ramp

primary

#1D2D73

secondary

#A79545

accent

#C545E3

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050E

muted

#7A7A7E

Preview Lab

Preview with #1D2D73

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

Preview Lab → · Contrast checker → · Palette generator →