#1D3882#1D3882

#1D3882 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.129 H 265.3°. Best body text is #FFFFFF at 10.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D3882
RGB	rgb(29, 56, 130)
HSL	hsl(224, 64%, 31%)
HSV	hsv(224, 78%, 51%)
CMYK	cmyk(77.7%, 56.9%, 0%, 49%)
CIE-LAB	lab(25.86, 18.07, -44.66)
CIE-LCH	lch(25.86, 48.18, 292.03°)
OKLab	oklab(36.75% -0.0106 -0.1287)
OKLCH	oklch(36.75% 0.129 265.3)
XYZ	xyz(5.9487, 4.7006, 21.7086)
Luminance	0.0470 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3882 #82671D

analogous

#1D6A82 #1D3882 #341D82

triadic

#1D3882 #821D38 #38821D

tetradic

#1D3882 #821D6A #82671D #1D8234

square

#1D3882 #821D6A #82671D #1D8234

split-complementary

#1D3882 #82341D #6A821D

monochromatic

#070D1E #122250 #1D3882 #284EB4 #446BD5

Accessibility & contrast

On white

10.82

#1D3882 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#1D3882 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3882

10.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3882	#FFFFFF	#000000	##FFFFFF
##1D3882	1.00	10.82	1.94	10.82
#FFFFFF	10.82	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004285

Deuteranopia (green-blind)

#003981

Tritanopia (blue-blind)

#004A57

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d3882;
/* rgb */ color: rgb(29, 56, 130);
/* oklch */ color: oklch(36.7% 0.129 265.3);

Tailwind

colors: {
  custom: {
    50: '#696ea7',
    500: '#1d3882',
    950: '#000000',
  },
}

SCSS

$custom: #1d3882;
$custom-light: #696ea7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3882",
  "rgb": {
    "r": 29,
    "g": 56,
    "b": 130
  },
  "hsl": {
    "h": 223.96,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.36746,
    "c": 0.12917,
    "h": 265.3
  },
  "luminance": 0.04701
}

Semantic roles & 50–950 ramp

primary

#1D3882

secondary

#B59746

accent

#BA41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #1D3882

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

Preview Lab → · Contrast checker → · Palette generator →