#1D1D88#1D1D88

#1D1D88 is a dark, vivid blue. Relative luminance 0.029; OKLCH L 32.4% C 0.169 H 271.8°. Best body text is #FFFFFF at 13.26:1 contrast (WCAG AA passes).

Color values

HEX	#1D1D88
RGB	rgb(29, 29, 136)
HSL	hsl(240, 65%, 32%)
HSV	hsv(240, 79%, 53%)
CMYK	cmyk(78.7%, 78.7%, 0%, 46.7%)
CIE-LAB	lab(19.71, 38.17, -58.52)
CIE-LCH	lch(19.71, 69.86, 303.11°)
OKLab	oklab(32.42% 0.0053 -0.1694)
OKLCH	oklch(32.42% 0.169 271.8)
XYZ	xyz(5.3885, 2.9169, 23.5668)
Luminance	0.0292 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1D88 #88881D

analogous

#1D5388 #1D1D88 #531D88

triadic

#1D1D88 #881D1D #1D881D

tetradic

#1D1D88 #881D53 #88881D #1D8853

square

#1D1D88 #881D53 #88881D #1D8853

split-complementary

#1D1D88 #88531D #53881D

monochromatic

#070723 #121256 #1D1D88 #2828BA #4848D8

Accessibility & contrast

On white

13.26

#1D1D88 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.58

#1D1D88 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1D88

13.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1D88	#FFFFFF	#000000	##FFFFFF
##1D1D88	1.00	13.26	1.58	13.26
#FFFFFF	13.26	1.00	21.00	1.00
#000000	1.58	21.00	1.00	21.00
##FFFFFF	13.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00358B

Deuteranopia (green-blind)

#002A86

Tritanopia (blue-blind)

#003D52

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d1d88;
/* rgb */ color: rgb(29, 29, 136);
/* oklch */ color: oklch(32.4% 0.169 271.8);

Tailwind

colors: {
  custom: {
    50: '#6d5bac',
    500: '#1d1d88',
    950: '#000000',
  },
}

SCSS

$custom: #1d1d88;
$custom-light: #6d5bac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1d88",
  "rgb": {
    "r": 29,
    "g": 29,
    "b": 136
  },
  "hsl": {
    "h": 240,
    "s": 64.848,
    "l": 32.353
  },
  "oklch": {
    "l": 0.32419,
    "c": 0.16948,
    "h": 271.8
  },
  "luminance": 0.02918
}

Semantic roles & 50–950 ramp

primary

#1D1D88

secondary

#BABA47

accent

#E840E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1D1D88

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

Preview Lab → · Contrast checker → · Palette generator →