#1D2B72#1D2B72

#1D2B72 is a dark, vivid blue. Relative luminance 0.032; OKLCH L 32.6% C 0.123 H 269.7°. Best body text is #FFFFFF at 12.80:1 contrast (WCAG AA passes).

Color values

HEX	#1D2B72
RGB	rgb(29, 43, 114)
HSL	hsl(230, 59%, 28%)
HSV	hsv(230, 75%, 45%)
CMYK	cmyk(74.6%, 62.3%, 0%, 55.3%)
CIE-LAB	lab(20.84, 20.83, -42.68)
CIE-LCH	lch(20.84, 47.49, 296.01°)
OKLab	oklab(32.57% -0.0007 -0.1231)
OKLCH	oklch(32.57% 0.123 269.7)
XYZ	xyz(4.4068, 3.2034, 16.3024)
Luminance	0.0320 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2B72 #72641D

analogous

#1D5572 #1D2B72 #391D72

triadic

#1D2B72 #721D2B #2B721D

tetradic

#1D2B72 #721D55 #72641D #1D7239

square

#1D2B72 #721D55 #72641D #1D7239

split-complementary

#1D2B72 #72391D #55721D

monochromatic

#060918 #111941 #1D2B72 #293DA3 #3C54CD

Accessibility & contrast

On white

12.80

#1D2B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.64

#1D2B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2B72

12.80:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2B72	#FFFFFF	#000000	##FFFFFF
##1D2B72	1.00	12.80	1.64	12.80
#FFFFFF	12.80	1.00	21.00	1.00
#000000	1.64	21.00	1.00	21.00
##FFFFFF	12.80	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003674

Deuteranopia (green-blind)

#002E71

Tritanopia (blue-blind)

#003D4A

Achromatopsia (no color)

#323232

Design tokens & code

CSS

--color: #1d2b72;
/* rgb */ color: rgb(29, 43, 114);
/* oklch */ color: oklch(32.6% 0.123 269.7);

Tailwind

colors: {
  custom: {
    50: '#66649b',
    500: '#1d2b72',
    950: '#000000',
  },
}

SCSS

$custom: #1d2b72;
$custom-light: #66649b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2b72",
  "rgb": {
    "r": 29,
    "g": 43,
    "b": 114
  },
  "hsl": {
    "h": 230.118,
    "s": 59.441,
    "l": 28.039
  },
  "oklch": {
    "l": 0.32565,
    "c": 0.12314,
    "h": 269.7
  },
  "luminance": 0.03204
}

Semantic roles & 50–950 ramp

primary

#1D2B72

secondary

#A69645

accent

#C945E3

background

#F6F5F9

surface

#EBEAF2

border

#C6C6CC

text

#07050E

muted

#7A797E

Preview Lab

Preview with #1D2B72

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

Preview Lab → · Contrast checker → · Palette generator →