#1D3282#1D3282

#1D3282 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.5% C 0.137 H 267.5°. Best body text is #FFFFFF at 11.47:1 contrast (WCAG AA passes).

Color values

HEX	#1D3282
RGB	rgb(29, 50, 130)
HSL	hsl(228, 64%, 31%)
HSV	hsv(228, 78%, 51%)
CMYK	cmyk(77.7%, 61.5%, 0%, 49%)
CIE-LAB	lab(24.17, 22.27, -47.41)
CIE-LCH	lch(24.17, 52.38, 295.16°)
OKLab	oklab(35.48% -0.006 -0.1369)
OKLCH	oklch(35.48% 0.137 267.5)
XYZ	xyz(5.6752, 4.1535, 21.6174)
Luminance	0.0415 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3282 #826D1D

analogous

#1D6482 #1D3282 #3A1D82

triadic

#1D3282 #821D32 #32821D

tetradic

#1D3282 #821D64 #826D1D #1D823A

square

#1D3282 #821D64 #826D1D #1D823A

split-complementary

#1D3282 #823A1D #64821D

monochromatic

#070C1E #121F50 #1D3282 #2845B4 #4462D5

Accessibility & contrast

On white

11.47

#1D3282 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#1D3282 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3282

11.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3282	#FFFFFF	#000000	##FFFFFF
##1D3282	1.00	11.47	1.83	11.47
#FFFFFF	11.47	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003E85

Deuteranopia (green-blind)

#003580

Tritanopia (blue-blind)

#004655

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #1d3282;
/* rgb */ color: rgb(29, 50, 130);
/* oklch */ color: oklch(35.5% 0.137 267.5);

Tailwind

colors: {
  custom: {
    50: '#6a69a7',
    500: '#1d3282',
    950: '#000000',
  },
}

SCSS

$custom: #1d3282;
$custom-light: #6a69a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3282",
  "rgb": {
    "r": 29,
    "g": 50,
    "b": 130
  },
  "hsl": {
    "h": 227.525,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35478,
    "c": 0.13706,
    "h": 267.5
  },
  "luminance": 0.04154
}

Semantic roles & 50–950 ramp

primary

#1D3282

secondary

#B59E46

accent

#C441E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D3282

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

Preview Lab → · Contrast checker → · Palette generator →