#1D1D82#1D1D82

#1D1D82 is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.7% C 0.162 H 272.3°. Best body text is #FFFFFF at 13.54:1 contrast (WCAG AA passes).

Color values

HEX	#1D1D82
RGB	rgb(29, 29, 130)
HSL	hsl(240, 64%, 31%)
HSV	hsv(240, 78%, 51%)
CMYK	cmyk(77.7%, 77.7%, 0%, 49%)
CIE-LAB	lab(19.02, 36.08, -55.88)
CIE-LCH	lch(19.02, 66.51, 302.85°)
OKLab	oklab(31.73% 0.0065 -0.1617)
OKLCH	oklch(31.73% 0.162 272.3)
XYZ	xyz(4.9740, 2.7511, 21.3836)
Luminance	0.0275 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1D82 #82821D

analogous

#1D4F82 #1D1D82 #4F1D82

triadic

#1D1D82 #821D1D #1D821D

tetradic

#1D1D82 #821D4F #82821D #1D824F

square

#1D1D82 #821D4F #82821D #1D824F

split-complementary

#1D1D82 #824F1D #4F821D

monochromatic

#07071E #121250 #1D1D82 #2828B4 #4444D5

Accessibility & contrast

On white

13.54

#1D1D82 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.55

#1D1D82 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1D82

13.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1D82	#FFFFFF	#000000	##FFFFFF
##1D1D82	1.00	13.54	1.55	13.54
#FFFFFF	13.54	1.00	21.00	1.00
#000000	1.55	21.00	1.00	21.00
##FFFFFF	13.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003385

Deuteranopia (green-blind)

#002980

Tritanopia (blue-blind)

#003B4E

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #1d1d82;
/* rgb */ color: rgb(29, 29, 130);
/* oklch */ color: oklch(31.7% 0.162 272.3);

Tailwind

colors: {
  custom: {
    50: '#6c5aa7',
    500: '#1d1d82',
    950: '#000000',
  },
}

SCSS

$custom: #1d1d82;
$custom-light: #6c5aa7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1d82",
  "rgb": {
    "r": 29,
    "g": 29,
    "b": 130
  },
  "hsl": {
    "h": 240,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.31728,
    "c": 0.16186,
    "h": 272.3
  },
  "luminance": 0.02752
}

Semantic roles & 50–950 ramp

primary

#1D1D82

secondary

#B5B546

accent

#E741E7

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1D82

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

Preview Lab → · Contrast checker → · Palette generator →