#1D1271#1D1271

#1D1271 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 28.2% C 0.151 H 275.9°. Best body text is #FFFFFF at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#1D1271
RGB	rgb(29, 18, 113)
HSL	hsl(247, 73%, 26%)
HSV	hsv(247, 84%, 44%)
CMYK	cmyk(74.3%, 84.1%, 0%, 55.7%)
CIE-LAB	lab(14.88, 36.41, -51.84)
CIE-LCH	lch(14.88, 63.35, 305.09°)
OKLab	oklab(28.23% 0.0155 -0.1498)
OKLCH	oklch(28.23% 0.151 275.9)
XYZ	xyz(3.7027, 1.8857, 15.7884)
Luminance	0.0189 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1271 #667112

analogous

#123771 #1D1271 #4C1271

triadic

#1D1271 #711D12 #12711D

tetradic

#1D1271 #711237 #667112 #12714C

square

#1D1271 #711237 #667112 #12714C

split-complementary

#1D1271 #714C12 #377112

monochromatic

#07041A #0F0A3C #1D1271 #2B1AA6 #3823DB

Accessibility & contrast

On white

15.25

#1D1271 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#1D1271 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1271

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1271	#FFFFFF	#000000	##FFFFFF
##1D1271	1.00	15.25	1.38	15.25
#FFFFFF	15.25	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002974

Deuteranopia (green-blind)

#00216F

Tritanopia (blue-blind)

#003042

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #1d1271;
/* rgb */ color: rgb(29, 18, 113);
/* oklch */ color: oklch(28.2% 0.151 275.9);

Tailwind

colors: {
  custom: {
    50: '#68539b',
    500: '#1d1271',
    950: '#000000',
  },
}

SCSS

$custom: #1d1271;
$custom-light: #68539b;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1271",
  "rgb": {
    "r": 29,
    "g": 18,
    "b": 113
  },
  "hsl": {
    "h": 246.947,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.28233,
    "c": 0.15065,
    "h": 275.9
  },
  "luminance": 0.01886
}

Semantic roles & 50–950 ramp

primary

#1D1271

secondary

#9BA837

accent

#EF39DA

background

#F6F4F9

surface

#ECE7F2

border

#C7C3CC

text

#07020E

muted

#7A787E

Preview Lab

Preview with #1D1271

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

Preview Lab → · Contrast checker → · Palette generator →