#1D1687#1D1687

#1D1687 is a dark, vivid blue. Relative luminance 0.026; OKLCH L 31.4% C 0.174 H 272.6°. Best body text is #FFFFFF at 13.84:1 contrast (WCAG AA passes).

Color values

HEX	#1D1687
RGB	rgb(29, 22, 135)
HSL	hsl(244, 72%, 31%)
HSV	hsv(244, 84%, 53%)
CMYK	cmyk(78.5%, 83.7%, 0%, 47.1%)
CIE-LAB	lab(18.29, 41.57, -60.23)
CIE-LCH	lch(18.29, 73.19, 304.61°)
OKLab	oklab(31.39% 0.008 -0.1743)
OKLCH	oklch(31.39% 0.174 272.6)
XYZ	xyz(5.1653, 2.5837, 23.1435)
Luminance	0.0258 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1687 #808716

analogous

#164787 #1D1687 #551687

triadic

#1D1687 #871D16 #16871D

tetradic

#1D1687 #871647 #808716 #168755

square

#1D1687 #871647 #808716 #168755

split-complementary

#1D1687 #875516 #478716

monochromatic

#06051E #120D52 #1D1687 #281FBC #4339DF

Accessibility & contrast

On white

13.84

#1D1687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.52

#1D1687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1687

13.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1687	#FFFFFF	#000000	##FFFFFF
##1D1687	1.00	13.84	1.52	13.84
#FFFFFF	13.84	1.00	21.00	1.00
#000000	1.52	21.00	1.00	21.00
##FFFFFF	13.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328A

Deuteranopia (green-blind)

#002785

Tritanopia (blue-blind)

#003A50

Achromatopsia (no color)

#2D2D2D

Design tokens & code

CSS

--color: #1d1687;
/* rgb */ color: rgb(29, 22, 135);
/* oklch */ color: oklch(31.4% 0.174 272.6);

Tailwind

colors: {
  custom: {
    50: '#6e57ab',
    500: '#1d1687',
    950: '#000000',
  },
}

SCSS

$custom: #1d1687;
$custom-light: #6e57ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1687",
  "rgb": {
    "r": 29,
    "g": 22,
    "b": 135
  },
  "hsl": {
    "h": 243.717,
    "s": 71.975,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31394,
    "c": 0.17445,
    "h": 272.6
  },
  "luminance": 0.02584
}

Semantic roles & 50–950 ramp

primary

#1D1687

secondary

#B3BB3E

accent

#EF39E3

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080310

muted

#7B787F

Preview Lab

Preview with #1D1687

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

Preview Lab → · Contrast checker → · Palette generator →