#1D2787#1D2787

#1D2787 is a dark, vivid blue. Relative luminance 0.035; OKLCH L 33.9% C 0.158 H 270.3°. Best body text is #FFFFFF at 12.41:1 contrast (WCAG AA passes).

Color values

HEX	#1D2787
RGB	rgb(29, 39, 135)
HSL	hsl(234, 65%, 32%)
HSV	hsv(234, 79%, 53%)
CMYK	cmyk(78.5%, 71.1%, 0%, 47.1%)
CIE-LAB	lab(21.80, 31.66, -54.43)
CIE-LCH	lch(21.80, 62.97, 300.19°)
OKLab	oklab(33.88% 0.0008 -0.1576)
OKLCH	oklch(33.88% 0.158 270.3)
XYZ	xyz(5.6039, 3.4609, 23.2897)
Luminance	0.0346 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2787 #877D1D

analogous

#1D5C87 #1D2787 #481D87

triadic

#1D2787 #871D27 #27871D

tetradic

#1D2787 #871D5C #877D1D #1D8748

square

#1D2787 #871D5C #877D1D #1D8748

split-complementary

#1D2787 #87481D #5C871D

monochromatic

#070A22 #121855 #1D2787 #2836B9 #4755D7

Accessibility & contrast

On white

12.41

#1D2787 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1D2787 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2787

12.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2787	#FFFFFF	#000000	##FFFFFF
##1D2787	1.00	12.41	1.69	12.41
#FFFFFF	12.41	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00398A

Deuteranopia (green-blind)

#002F85

Tritanopia (blue-blind)

#004254

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1d2787;
/* rgb */ color: rgb(29, 39, 135);
/* oklch */ color: oklch(33.9% 0.158 270.3);

Tailwind

colors: {
  custom: {
    50: '#6c61ab',
    500: '#1d2787',
    950: '#000000',
  },
}

SCSS

$custom: #1d2787;
$custom-light: #6c61ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2787",
  "rgb": {
    "r": 29,
    "g": 39,
    "b": 135
  },
  "hsl": {
    "h": 234.34,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.33882,
    "c": 0.15756,
    "h": 270.3
  },
  "luminance": 0.03462
}

Semantic roles & 50–950 ramp

primary

#1D2787

secondary

#B9AF46

accent

#D840E8

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2787

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

Preview Lab → · Contrast checker → · Palette generator →