#1D2A79#1D2A79

#1D2A79 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.0% C 0.135 H 270.0°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#1D2A79
RGB	rgb(29, 42, 121)
HSL	hsl(232, 61%, 29%)
HSV	hsv(232, 76%, 47%)
CMYK	cmyk(76%, 65.3%, 0%, 52.5%)
CIE-LAB	lab(21.20, 24.29, -46.58)
CIE-LCH	lch(21.20, 52.53, 297.54°)
OKLab	oklab(33.02% 0 -0.1346)
OKLCH	oklch(33.02% 0.135 270)
XYZ	xyz(4.7847, 3.2971, 18.4697)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2A79 #796C1D

analogous

#1D5879 #1D2A79 #3E1D79

triadic

#1D2A79 #791D2A #2A791D

tetradic

#1D2A79 #791D58 #796C1D #1D793E

square

#1D2A79 #791D58 #796C1D #1D793E

split-complementary

#1D2A79 #793E1D #58791D

monochromatic

#060919 #111948 #1D2A79 #293BAA #3F54D1

Accessibility & contrast

On white

12.65

#1D2A79 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1D2A79 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2A79

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2A79	#FFFFFF	#000000	##FFFFFF
##1D2A79	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)

#00377C

Deuteranopia (green-blind)

#002F77

Tritanopia (blue-blind)

#003E4D

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2a79;
/* rgb */ color: rgb(29, 42, 121);
/* oklch */ color: oklch(33.0% 0.135 270.0);

Tailwind

colors: {
  custom: {
    50: '#6863a0',
    500: '#1d2a79',
    950: '#000000',
  },
}

SCSS

$custom: #1d2a79;
$custom-light: #6863a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2a79",
  "rgb": {
    "r": 29,
    "g": 42,
    "b": 121
  },
  "hsl": {
    "h": 231.522,
    "s": 61.333,
    "l": 29.412
  },
  "oklch": {
    "l": 0.33023,
    "c": 0.13459,
    "h": 270
  },
  "luminance": 0.03298
}

Semantic roles & 50–950 ramp

primary

#1D2A79

secondary

#AD9E45

accent

#CE43E4

background

#F6F5FA

surface

#EBEAF3

border

#C6C6CD

text

#07050F

muted

#7A797F

Preview Lab

Preview with #1D2A79

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

Preview Lab → · Contrast checker → · Palette generator →