#1D2884#1D2884

#1D2884 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.152 H 270.2°. Best body text is #FFFFFF at 12.43:1 contrast (WCAG AA passes).

Color values

HEX	#1D2884
RGB	rgb(29, 40, 132)
HSL	hsl(234, 64%, 32%)
HSV	hsv(234, 78%, 52%)
CMYK	cmyk(78%, 69.7%, 0%, 48.2%)
CIE-LAB	lab(21.74, 29.88, -52.65)
CIE-LCH	lch(21.74, 60.54, 299.58°)
OKLab	oklab(33.75% 0.0006 -0.1524)
OKLCH	oklch(33.75% 0.152 270.2)
XYZ	xyz(5.4289, 3.4441, 22.2040)
Luminance	0.0345 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2884 #84791D

analogous

#1D5C84 #1D2884 #461D84

triadic

#1D2884 #841D28 #28841D

tetradic

#1D2884 #841D5C #84791D #1D8446

square

#1D2884 #841D5C #84791D #1D8446

split-complementary

#1D2884 #84461D #5C841D

monochromatic

#070A20 #121952 #1D2884 #2837B6 #4555D6

Accessibility & contrast

On white

12.43

#1D2884 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2884 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2884

12.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2884	#FFFFFF	#000000	##FFFFFF
##1D2884	1.00	12.43	1.69	12.43
#FFFFFF	12.43	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003987

Deuteranopia (green-blind)

#002F82

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2884;
/* rgb */ color: rgb(29, 40, 132);
/* oklch */ color: oklch(33.7% 0.152 270.2);

Tailwind

colors: {
  custom: {
    50: '#6b62a9',
    500: '#1d2884',
    950: '#000000',
  },
}

SCSS

$custom: #1d2884;
$custom-light: #6b62a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2884",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 132
  },
  "hsl": {
    "h": 233.592,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33746,
    "c": 0.15236,
    "h": 270.2
  },
  "luminance": 0.03445
}

Semantic roles & 50–950 ramp

primary

#1D2884

secondary

#B7AB46

accent

#D541E7

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1D2884

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

Preview Lab → · Contrast checker → · Palette generator →