#1D1273#1D1273

#1D1273 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.5% C 0.153 H 275.6°. Best body text is #FFFFFF at 15.15:1 contrast (WCAG AA passes).

Color values

HEX	#1D1273
RGB	rgb(29, 18, 115)
HSL	hsl(247, 73%, 26%)
HSV	hsv(247, 84%, 45%)
CMYK	cmyk(74.8%, 84.3%, 0%, 54.9%)
CIE-LAB	lab(15.12, 37.07, -52.73)
CIE-LCH	lch(15.12, 64.45, 305.11°)
OKLab	oklab(28.48% 0.0149 -0.1524)
OKLCH	oklch(28.48% 0.153 275.6)
XYZ	xyz(3.8165, 1.9313, 16.3880)
Luminance	0.0193 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1273 #687312

analogous

#123773 #1D1273 #4D1273

triadic

#1D1273 #731D12 #12731D

tetradic

#1D1273 #731237 #687312 #12734D

square

#1D1273 #731237 #687312 #12734D

split-complementary

#1D1273 #734D12 #377312

monochromatic

#07041A #100A3E #1D1273 #2A1AA8 #3823DD

Accessibility & contrast

On white

15.15

#1D1273 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.39

#1D1273 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1273

15.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1273	#FFFFFF	#000000	##FFFFFF
##1D1273	1.00	15.15	1.39	15.15
#FFFFFF	15.15	1.00	21.00	1.00
#000000	1.39	21.00	1.00	21.00
##FFFFFF	15.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A76

Deuteranopia (green-blind)

#002271

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1d1273;
/* rgb */ color: rgb(29, 18, 115);
/* oklch */ color: oklch(28.5% 0.153 275.6);

Tailwind

colors: {
  custom: {
    50: '#69539c',
    500: '#1d1273',
    950: '#000000',
  },
}

SCSS

$custom: #1d1273;
$custom-light: #69539c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1273",
  "rgb": {
    "r": 29,
    "g": 18,
    "b": 115
  },
  "hsl": {
    "h": 246.804,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28476,
    "c": 0.15316,
    "h": 275.6
  },
  "luminance": 0.01932
}

Semantic roles & 50–950 ramp

primary

#1D1273

secondary

#9DAA37

accent

#F038DB

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1273

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

Preview Lab → · Contrast checker → · Palette generator →