#1D2687#1D2687

#1D2687 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.159 H 270.5°. Best body text is #FFFFFF at 12.50:1 contrast (WCAG AA passes).

Color values

HEX	#1D2687
RGB	rgb(29, 38, 135)
HSL	hsl(235, 65%, 32%)
HSV	hsv(235, 79%, 53%)
CMYK	cmyk(78.5%, 71.9%, 0%, 47.1%)
CIE-LAB	lab(21.57, 32.31, -54.82)
CIE-LCH	lch(21.57, 63.64, 300.51°)
OKLab	oklab(33.71% 0.0013 -0.1587)
OKLCH	oklch(33.71% 0.159 270.5)
XYZ	xyz(5.5715, 3.3961, 23.2789)
Luminance	0.0340 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2687 #877E1D

analogous

#1D5B87 #1D2687 #491D87

triadic

#1D2687 #871D26 #26871D

tetradic

#1D2687 #871D5B #877E1D #1D8749

square

#1D2687 #871D5B #877E1D #1D8749

split-complementary

#1D2687 #87491D #5B871D

monochromatic

#070A22 #121855 #1D2687 #2834B9 #4753D7

Accessibility & contrast

On white

12.50

#1D2687 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.68

#1D2687 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2687

12.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2687	#FFFFFF	#000000	##FFFFFF
##1D2687	1.00	12.50	1.68	12.50
#FFFFFF	12.50	1.00	21.00	1.00
#000000	1.68	21.00	1.00	21.00
##FFFFFF	12.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398A

Deuteranopia (green-blind)

#002F85

Tritanopia (blue-blind)

#004153

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2687;
/* rgb */ color: rgb(29, 38, 135);
/* oklch */ color: oklch(33.7% 0.159 270.5);

Tailwind

colors: {
  custom: {
    50: '#6c61ab',
    500: '#1d2687',
    950: '#000000',
  },
}

SCSS

$custom: #1d2687;
$custom-light: #6c61ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2687",
  "rgb": {
    "r": 29,
    "g": 38,
    "b": 135
  },
  "hsl": {
    "h": 234.906,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33711,
    "c": 0.15872,
    "h": 270.5
  },
  "luminance": 0.03397
}

Semantic roles & 50–950 ramp

primary

#1D2687

secondary

#B9B046

accent

#D940E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2687

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

Preview Lab → · Contrast checker → · Palette generator →