#1D2987#1D2987

#1D2987 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.2% C 0.155 H 269.9°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#1D2987
RGB	rgb(29, 41, 135)
HSL	hsl(233, 65%, 32%)
HSV	hsv(233, 79%, 53%)
CMYK	cmyk(78.5%, 69.6%, 0%, 47.1%)
CIE-LAB	lab(22.29, 30.35, -53.64)
CIE-LCH	lch(22.29, 61.63, 299.50°)
OKLab	oklab(34.23% -0.0003 -0.1552)
OKLCH	oklch(34.23% 0.155 269.9)
XYZ	xyz(5.6713, 3.5957, 23.3121)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2987 #877B1D

analogous

#1D5E87 #1D2987 #461D87

triadic

#1D2987 #871D29 #29871D

tetradic

#1D2987 #871D5E #877B1D #1D8746

square

#1D2987 #871D5E #877B1D #1D8746

split-complementary

#1D2987 #87461D #5E871D

monochromatic

#070A22 #121A55 #1D2987 #2838B9 #4757D7

Accessibility & contrast

On white

12.21

#1D2987 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1D2987 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2987

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2987	#FFFFFF	#000000	##FFFFFF
##1D2987	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A8A

Deuteranopia (green-blind)

#003085

Tritanopia (blue-blind)

#004354

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2987;
/* rgb */ color: rgb(29, 41, 135);
/* oklch */ color: oklch(34.2% 0.155 269.9);

Tailwind

colors: {
  custom: {
    50: '#6c63ab',
    500: '#1d2987',
    950: '#000000',
  },
}

SCSS

$custom: #1d2987;
$custom-light: #6c63ab;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2987",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 135
  },
  "hsl": {
    "h": 233.208,
    "s": 64.634,
    "l": 32.157
  },
  "oklch": {
    "l": 0.34233,
    "c": 0.15523,
    "h": 269.9
  },
  "luminance": 0.03596
}

Semantic roles & 50–950 ramp

primary

#1D2987

secondary

#B9AC46

accent

#D540E8

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2987

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

Preview Lab → · Contrast checker → · Palette generator →