#1D1671#1D1671

#1D1671 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.8% C 0.147 H 275.3°. Best body text is #FFFFFF at 14.94:1 contrast (WCAG AA passes).

Color values

HEX	#1D1671
RGB	rgb(29, 22, 113)
HSL	hsl(245, 67%, 26%)
HSV	hsv(245, 81%, 44%)
CMYK	cmyk(74.3%, 80.5%, 0%, 55.7%)
CIE-LAB	lab(15.63, 34.24, -50.59)
CIE-LCH	lch(15.63, 61.09, 304.09°)
OKLab	oklab(28.76% 0.0136 -0.1463)
OKLCH	oklch(28.76% 0.147 275.3)
XYZ	xyz(3.7733, 2.0269, 15.8120)
Luminance	0.0203 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1671 #6A7116

analogous

#163D71 #1D1671 #4B1671

triadic

#1D1671 #711D16 #16711D

tetradic

#1D1671 #71163D #6A7116 #16714B

square

#1D1671 #71163D #6A7116 #16714B

split-complementary

#1D1671 #714B16 #3D7116

monochromatic

#07051A #100C3E #1D1671 #2A20A4 #392CD6

Accessibility & contrast

On white

14.94

#1D1671 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1D1671 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1671

14.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1671	#FFFFFF	#000000	##FFFFFF
##1D1671	1.00	14.94	1.41	14.94
#FFFFFF	14.94	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B74

Deuteranopia (green-blind)

#00236F

Tritanopia (blue-blind)

#003143

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1d1671;
/* rgb */ color: rgb(29, 22, 113);
/* oklch */ color: oklch(28.8% 0.147 275.3);

Tailwind

colors: {
  custom: {
    50: '#68559b',
    500: '#1d1671',
    950: '#000000',
  },
}

SCSS

$custom: #1d1671;
$custom-light: #68559b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1671",
  "rgb": {
    "r": 29,
    "g": 22,
    "b": 113
  },
  "hsl": {
    "h": 244.615,
    "s": 67.407,
    "l": 26.471
  },
  "oklch": {
    "l": 0.28758,
    "c": 0.14692,
    "h": 275.3
  },
  "luminance": 0.02027
}

Semantic roles & 50–950 ramp

primary

#1D1671

secondary

#9FA73C

accent

#EA3EDD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1671

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

Preview Lab → · Contrast checker → · Palette generator →