#1D1172#1D1172

#1D1172 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.153 H 275.9°. Best body text is #FFFFFF at 15.27:1 contrast (WCAG AA passes).

Color values

HEX	#1D1172
RGB	rgb(29, 17, 114)
HSL	hsl(247, 74%, 26%)
HSV	hsv(247, 85%, 45%)
CMYK	cmyk(74.6%, 85.1%, 0%, 55.3%)
CIE-LAB	lab(14.83, 37.24, -52.57)
CIE-LCH	lch(14.83, 64.43, 305.32°)
OKLab	oklab(28.24% 0.0156 -0.152)
OKLCH	oklch(28.24% 0.153 275.9)
XYZ	xyz(3.7434, 1.8767, 16.0813)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1172 #667211

analogous

#113572 #1D1172 #4D1172

triadic

#1D1172 #721D11 #11721D

tetradic

#1D1172 #721135 #667211 #11724D

square

#1D1172 #721135 #667211 #11724D

split-complementary

#1D1172 #724D11 #357211

monochromatic

#07041B #0F093D #1D1172 #2B19A7 #3821DD

Accessibility & contrast

On white

15.27

#1D1172 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1D1172 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1172

15.27:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1172	#FFFFFF	#000000	##FFFFFF
##1D1172	1.00	15.27	1.38	15.27
#FFFFFF	15.27	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.27	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002975

Deuteranopia (green-blind)

#002170

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d1172;
/* rgb */ color: rgb(29, 17, 114);
/* oklch */ color: oklch(28.2% 0.153 275.9);

Tailwind

colors: {
  custom: {
    50: '#69529c',
    500: '#1d1172',
    950: '#000000',
  },
}

SCSS

$custom: #1d1172;
$custom-light: #69529c;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1172",
  "rgb": {
    "r": 29,
    "g": 17,
    "b": 114
  },
  "hsl": {
    "h": 247.423,
    "s": 74.046,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28235,
    "c": 0.15276,
    "h": 275.9
  },
  "luminance": 0.01877
}

Semantic roles & 50–950 ramp

primary

#1D1172

secondary

#9BA936

accent

#F137DA

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1D1172

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

Preview Lab → · Contrast checker → · Palette generator →