#1D2882#1D2882

#1D2882 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.5% C 0.150 H 270.3°. Best body text is #FFFFFF at 12.51:1 contrast (WCAG AA passes).

Color values

HEX	#1D2882
RGB	rgb(29, 40, 130)
HSL	hsl(233, 64%, 31%)
HSV	hsv(233, 78%, 51%)
CMYK	cmyk(77.7%, 69.2%, 0%, 49%)
CIE-LAB	lab(21.54, 29.12, -51.72)
CIE-LCH	lch(21.54, 59.35, 299.38°)
OKLab	oklab(33.54% 0.0007 -0.1496)
OKLCH	oklch(33.54% 0.15 270.3)
XYZ	xyz(5.2934, 3.3899, 21.4901)
Luminance	0.0339 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2882 #82771D

analogous

#1D5A82 #1D2882 #441D82

triadic

#1D2882 #821D28 #28821D

tetradic

#1D2882 #821D5A #82771D #1D8244

square

#1D2882 #821D5A #82771D #1D8244

split-complementary

#1D2882 #82441D #5A821D

monochromatic

#07091E #121950 #1D2882 #2837B4 #4454D5

Accessibility & contrast

On white

12.51

#1D2882 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D2882 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2882

12.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2882	#FFFFFF	#000000	##FFFFFF
##1D2882	1.00	12.51	1.68	12.51
#FFFFFF	12.51	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003985

Deuteranopia (green-blind)

#002F80

Tritanopia (blue-blind)

#004051

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2882;
/* rgb */ color: rgb(29, 40, 130);
/* oklch */ color: oklch(33.5% 0.150 270.3);

Tailwind

colors: {
  custom: {
    50: '#6b62a7',
    500: '#1d2882',
    950: '#000000',
  },
}

SCSS

$custom: #1d2882;
$custom-light: #6b62a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2882",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 130
  },
  "hsl": {
    "h": 233.465,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.3354,
    "c": 0.14963,
    "h": 270.3
  },
  "luminance": 0.03391
}

Semantic roles & 50–950 ramp

primary

#1D2882

secondary

#B5A946

accent

#D541E7

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1D2882

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

Preview Lab → · Contrast checker → · Palette generator →