#1D3784#1D3784

#1D3784 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.7% C 0.133 H 265.8°. Best body text is #FFFFFF at 10.87:1 contrast (WCAG AA passes).

Color values

HEX	#1D3784
RGB	rgb(29, 55, 132)
HSL	hsl(225, 64%, 32%)
HSV	hsv(225, 78%, 52%)
CMYK	cmyk(78%, 58.3%, 0%, 48.2%)
CIE-LAB	lab(25.74, 19.57, -46.11)
CIE-LCH	lch(25.74, 50.09, 293.00°)
OKLab	oklab(36.7% -0.0097 -0.133)
OKLCH	oklch(36.7% 0.133 265.8)
XYZ	xyz(6.0363, 4.6589, 22.4064)
Luminance	0.0466 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3784 #846A1D

analogous

#1D6B84 #1D3784 #371D84

triadic

#1D3784 #841D37 #37841D

tetradic

#1D3784 #841D6B #846A1D #1D8437

square

#1D3784 #841D6B #846A1D #1D8437

split-complementary

#1D3784 #84371D #6B841D

monochromatic

#070D20 #122252 #1D3784 #284CB6 #456AD6

Accessibility & contrast

On white

10.87

#1D3784 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#1D3784 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3784

10.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3784	#FFFFFF	#000000	##FFFFFF
##1D3784	1.00	10.87	1.93	10.87
#FFFFFF	10.87	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004287

Deuteranopia (green-blind)

#003882

Tritanopia (blue-blind)

#004A58

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #1d3784;
/* rgb */ color: rgb(29, 55, 132);
/* oklch */ color: oklch(36.7% 0.133 265.8);

Tailwind

colors: {
  custom: {
    50: '#6a6da8',
    500: '#1d3784',
    950: '#000000',
  },
}

SCSS

$custom: #1d3784;
$custom-light: #6a6da8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3784",
  "rgb": {
    "r": 29,
    "g": 55,
    "b": 132
  },
  "hsl": {
    "h": 224.854,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.36703,
    "c": 0.13338,
    "h": 265.8
  },
  "luminance": 0.0466
}

Semantic roles & 50–950 ramp

primary

#1D3784

secondary

#B79A46

accent

#BD41E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #1D3784

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

Preview Lab → · Contrast checker → · Palette generator →