#1D2584#1D2584

#1D2584 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.2% C 0.156 H 270.8°. Best body text is #FFFFFF at 12.73:1 contrast (WCAG AA passes).

Color values

HEX	#1D2584
RGB	rgb(29, 37, 132)
HSL	hsl(235, 64%, 32%)
HSV	hsv(235, 78%, 52%)
CMYK	cmyk(78%, 72%, 0%, 48.2%)
CIE-LAB	lab(21.02, 31.84, -53.84)
CIE-LCH	lch(21.02, 62.55, 300.60°)
OKLab	oklab(33.22% 0.0022 -0.1558)
OKLCH	oklch(33.22% 0.156 270.8)
XYZ	xyz(5.3317, 3.2497, 22.1716)
Luminance	0.0325 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2584 #847C1D

analogous

#1D5984 #1D2584 #491D84

triadic

#1D2584 #841D25 #25841D

tetradic

#1D2584 #841D59 #847C1D #1D8449

square

#1D2584 #841D59 #847C1D #1D8449

split-complementary

#1D2584 #84491D #59841D

monochromatic

#070920 #121752 #1D2584 #2833B6 #4550D6

Accessibility & contrast

On white

12.73

#1D2584 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.65

#1D2584 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2584

12.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2584	#FFFFFF	#000000	##FFFFFF
##1D2584	1.00	12.73	1.65	12.73
#FFFFFF	12.73	1.00	21.00	1.00
#000000	1.65	21.00	1.00	21.00
##FFFFFF	12.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003787

Deuteranopia (green-blind)

#002E82

Tritanopia (blue-blind)

#003F51

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1d2584;
/* rgb */ color: rgb(29, 37, 132);
/* oklch */ color: oklch(33.2% 0.156 270.8);

Tailwind

colors: {
  custom: {
    50: '#6b60a9',
    500: '#1d2584',
    950: '#000000',
  },
}

SCSS

$custom: #1d2584;
$custom-light: #6b60a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2584",
  "rgb": {
    "r": 29,
    "g": 37,
    "b": 132
  },
  "hsl": {
    "h": 235.34,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.33222,
    "c": 0.15586,
    "h": 270.8
  },
  "luminance": 0.0325
}

Semantic roles & 50–950 ramp

primary

#1D2584

secondary

#B7AE46

accent

#DA41E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2584

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

Preview Lab → · Contrast checker → · Palette generator →