#1D2D78#1D2D78

#1D2D78 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.5% C 0.129 H 269.0°. Best body text is #FFFFFF at 12.36:1 contrast (WCAG AA passes).

Color values

HEX	#1D2D78
RGB	rgb(29, 45, 120)
HSL	hsl(229, 61%, 29%)
HSV	hsv(229, 76%, 47%)
CMYK	cmyk(75.8%, 62.5%, 0%, 52.9%)
CIE-LAB	lab(21.92, 21.80, -44.76)
CIE-LCH	lch(21.92, 49.79, 295.97°)
OKLab	oklab(33.53% -0.0023 -0.1292)
OKLCH	oklch(33.53% 0.129 269)
XYZ	xyz(4.8341, 3.4935, 18.1852)
Luminance	0.0349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2D78 #78681D

analogous

#1D5B78 #1D2D78 #3B1D78

triadic

#1D2D78 #781D2D #2D781D

tetradic

#1D2D78 #781D5B #78681D #1D783B

square

#1D2D78 #781D5B #78681D #1D783B

split-complementary

#1D2D78 #783B1D #5B781D

monochromatic

#060919 #111B47 #1D2D78 #293FA9 #3F58D1

Accessibility & contrast

On white

12.36

#1D2D78 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.70

#1D2D78 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2D78

12.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2D78	#FFFFFF	#000000	##FFFFFF
##1D2D78	1.00	12.36	1.70	12.36
#FFFFFF	12.36	1.00	21.00	1.00
#000000	1.70	21.00	1.00	21.00
##FFFFFF	12.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00397A

Deuteranopia (green-blind)

#003077

Tritanopia (blue-blind)

#00404E

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2d78;
/* rgb */ color: rgb(29, 45, 120);
/* oklch */ color: oklch(33.5% 0.129 269.0);

Tailwind

colors: {
  custom: {
    50: '#6765a0',
    500: '#1d2d78',
    950: '#000000',
  },
}

SCSS

$custom: #1d2d78;
$custom-light: #6765a0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2d78",
  "rgb": {
    "r": 29,
    "g": 45,
    "b": 120
  },
  "hsl": {
    "h": 229.451,
    "s": 61.074,
    "l": 29.216
  },
  "oklch": {
    "l": 0.33531,
    "c": 0.12923,
    "h": 269
  },
  "luminance": 0.03494
}

Semantic roles & 50–950 ramp

primary

#1D2D78

secondary

#AC9A45

accent

#C844E4

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#07050F

muted

#7A7A7E

Preview Lab

Preview with #1D2D78

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

Preview Lab → · Contrast checker → · Palette generator →