#1D1173#1D1173

#1D1173 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.4% C 0.154 H 275.7°. Best body text is #FFFFFF at 15.22:1 contrast (WCAG AA passes).

Color values

HEX	#1D1173
RGB	rgb(29, 17, 115)
HSL	hsl(247, 74%, 26%)
HSV	hsv(247, 85%, 45%)
CMYK	cmyk(74.8%, 85.2%, 0%, 54.9%)
CIE-LAB	lab(14.95, 37.57, -53.01)
CIE-LCH	lch(14.95, 64.97, 305.33°)
OKLab	oklab(28.36% 0.0153 -0.1532)
OKLCH	oklch(28.36% 0.154 275.7)
XYZ	xyz(3.8006, 1.8995, 16.3827)
Luminance	0.0190 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1173 #677311

analogous

#113673 #1D1173 #4E1173

triadic

#1D1173 #731D11 #11731D

tetradic

#1D1173 #731136 #677311 #11734E

square

#1D1173 #731136 #677311 #11734E

split-complementary

#1D1173 #734E11 #367311

monochromatic

#07041B #10093E #1D1173 #2A19A8 #3821DE

Accessibility & contrast

On white

15.22

#1D1173 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1D1173 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1173

15.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1173	#FFFFFF	#000000	##FFFFFF
##1D1173	1.00	15.22	1.38	15.22
#FFFFFF	15.22	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A76

Deuteranopia (green-blind)

#002171

Tritanopia (blue-blind)

#003043

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #1d1173;
/* rgb */ color: rgb(29, 17, 115);
/* oklch */ color: oklch(28.4% 0.154 275.7);

Tailwind

colors: {
  custom: {
    50: '#69539c',
    500: '#1d1173',
    950: '#000000',
  },
}

SCSS

$custom: #1d1173;
$custom-light: #69539c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1173",
  "rgb": {
    "r": 29,
    "g": 17,
    "b": 115
  },
  "hsl": {
    "h": 247.347,
    "s": 74.242,
    "l": 25.882
  },
  "oklch": {
    "l": 0.28358,
    "c": 0.154,
    "h": 275.7
  },
  "luminance": 0.019
}

Semantic roles & 50–950 ramp

primary

#1D1173

secondary

#9CAA36

accent

#F137DA

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1D1173

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

Preview Lab → · Contrast checker → · Palette generator →