#1D2989#1D2989

#1D2989 is a dark, vivid blue. Relative luminance 0.037; OKLCH L 34.4% C 0.158 H 269.8°. Best body text is #FFFFFF at 12.13:1 contrast (WCAG AA passes).

Color values

HEX	#1D2989
RGB	rgb(29, 41, 137)
HSL	hsl(233, 65%, 33%)
HSV	hsv(233, 79%, 54%)
CMYK	cmyk(78.8%, 70.1%, 0%, 46.3%)
CIE-LAB	lab(22.49, 31.10, -54.56)
CIE-LCH	lch(22.49, 62.80, 299.69°)
OKLab	oklab(34.44% -0.0005 -0.1579)
OKLCH	oklch(34.44% 0.158 269.8)
XYZ	xyz(5.8134, 3.6526, 24.0607)
Luminance	0.0365 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2989 #897D1D

analogous

#1D5F89 #1D2989 #471D89

triadic

#1D2989 #891D29 #29891D

tetradic

#1D2989 #891D5F #897D1D #1D8947

square

#1D2989 #891D5F #897D1D #1D8947

split-complementary

#1D2989 #89471D #5F891D

monochromatic

#080B24 #121A56 #1D2989 #2838BC #4858D8

Accessibility & contrast

On white

12.13

#1D2989 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1D2989 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2989

12.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2989	#FFFFFF	#000000	##FFFFFF
##1D2989	1.00	12.13	1.73	12.13
#FFFFFF	12.13	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003B8C

Deuteranopia (green-blind)

#003187

Tritanopia (blue-blind)

#004355

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1d2989;
/* rgb */ color: rgb(29, 41, 137);
/* oklch */ color: oklch(34.4% 0.158 269.8);

Tailwind

colors: {
  custom: {
    50: '#6c63ac',
    500: '#1d2989',
    950: '#000000',
  },
}

SCSS

$custom: #1d2989;
$custom-light: #6c63ac;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2989",
  "rgb": {
    "r": 29,
    "g": 41,
    "b": 137
  },
  "hsl": {
    "h": 233.333,
    "s": 65.06,
    "l": 32.549
  },
  "oklch": {
    "l": 0.3444,
    "c": 0.15792,
    "h": 269.8
  },
  "luminance": 0.03653
}

Semantic roles & 50–950 ramp

primary

#1D2989

secondary

#BAAE47

accent

#D540E8

background

#F7F5FA

surface

#EDEAF4

border

#C8C6CE

text

#080510

muted

#7B797F

Preview Lab

Preview with #1D2989

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

Preview Lab → · Contrast checker → · Palette generator →