#1D2C79#1D2C79

#1D2C79 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.4% C 0.132 H 269.3°. Best body text is #FFFFFF at 12.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C79
RGB	rgb(29, 44, 121)
HSL	hsl(230, 61%, 29%)
HSV	hsv(230, 76%, 47%)
CMYK	cmyk(76%, 63.6%, 0%, 52.5%)
CIE-LAB	lab(21.74, 22.90, -45.70)
CIE-LCH	lch(21.74, 51.11, 296.61°)
OKLab	oklab(33.42% -0.0015 -0.132)
OKLCH	oklch(33.42% 0.132 269.3)
XYZ	xyz(4.8574, 3.4425, 18.4939)
Luminance	0.0344 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C79 #796A1D

analogous

#1D5A79 #1D2C79 #3C1D79

triadic

#1D2C79 #791D2C #2C791D

tetradic

#1D2C79 #791D5A #796A1D #1D793C

square

#1D2C79 #791D5A #796A1D #1D793C

split-complementary

#1D2C79 #793C1D #5A791D

monochromatic

#060919 #111A48 #1D2C79 #293EAA #3F57D1

Accessibility & contrast

On white

12.44

#1D2C79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2C79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C79

12.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C79	#FFFFFF	#000000	##FFFFFF
##1D2C79	1.00	12.44	1.69	12.44
#FFFFFF	12.44	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00387C

Deuteranopia (green-blind)

#003078

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2c79;
/* rgb */ color: rgb(29, 44, 121);
/* oklch */ color: oklch(33.4% 0.132 269.3);

Tailwind

colors: {
  custom: {
    50: '#6865a0',
    500: '#1d2c79',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c79;
$custom-light: #6865a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c79",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 121
  },
  "hsl": {
    "h": 230.217,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33421,
    "c": 0.13199,
    "h": 269.3
  },
  "luminance": 0.03443
}

Semantic roles & 50–950 ramp

primary

#1D2C79

secondary

#AD9C45

accent

#CA43E4

background

#F6F6FA

surface

#EBEBF3

border

#C6C6CD

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1D2C79

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

Preview Lab → · Contrast checker → · Palette generator →