#1D2184#1D2184

#1D2184 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.6% C 0.160 H 271.5°. Best body text is #FFFFFF at 13.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D2184
RGB	rgb(29, 33, 132)
HSL	hsl(238, 64%, 32%)
HSV	hsv(238, 78%, 52%)
CMYK	cmyk(78%, 75%, 0%, 48.2%)
CIE-LAB	lab(20.10, 34.37, -55.35)
CIE-LCH	lch(20.10, 65.16, 301.84°)
OKLab	oklab(32.56% 0.0043 -0.1602)
OKLCH	oklch(32.56% 0.16 271.5)
XYZ	xyz(5.2140, 3.0143, 22.1323)
Luminance	0.0301 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2184 #84801D

analogous

#1D5584 #1D2184 #4D1D84

triadic

#1D2184 #841D21 #21841D

tetradic

#1D2184 #841D55 #84801D #1D844D

square

#1D2184 #841D55 #84801D #1D844D

split-complementary

#1D2184 #844D1D #55841D

monochromatic

#070820 #121452 #1D2184 #282EB6 #454BD6

Accessibility & contrast

On white

13.10

#1D2184 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1D2184 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2184

13.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2184	#FFFFFF	#000000	##FFFFFF
##1D2184	1.00	13.10	1.60	13.10
#FFFFFF	13.10	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003687

Deuteranopia (green-blind)

#002B82

Tritanopia (blue-blind)

#003D50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1d2184;
/* rgb */ color: rgb(29, 33, 132);
/* oklch */ color: oklch(32.6% 0.160 271.5);

Tailwind

colors: {
  custom: {
    50: '#6c5da9',
    500: '#1d2184',
    950: '#000000',
  },
}

SCSS

$custom: #1d2184;
$custom-light: #6c5da9;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2184",
  "rgb": {
    "r": 29,
    "g": 33,
    "b": 132
  },
  "hsl": {
    "h": 237.67,
    "s": 63.975,
    "l": 31.569
  },
  "oklch": {
    "l": 0.32564,
    "c": 0.16029,
    "h": 271.5
  },
  "luminance": 0.03015
}

Semantic roles & 50–950 ramp

primary

#1D2184

secondary

#B7B346

accent

#E141E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D2184

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

Preview Lab → · Contrast checker → · Palette generator →