#1D1375#1D1375

#1D1375 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.8% C 0.155 H 275.2°. Best body text is #FFFFFF at 14.98:1 contrast (WCAG AA passes).

Color values

HEX	#1D1375
RGB	rgb(29, 19, 117)
HSL	hsl(246, 72%, 27%)
HSV	hsv(246, 84%, 46%)
CMYK	cmyk(75.2%, 83.8%, 0%, 54.1%)
CIE-LAB	lab(15.54, 37.21, -53.32)
CIE-LCH	lch(15.54, 65.02, 304.91°)
OKLab	oklab(28.84% 0.0139 -0.1542)
OKLCH	oklch(28.84% 0.155 275.2)
XYZ	xyz(3.9494, 2.0109, 17.0062)
Luminance	0.0201 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1375 #6B7513

analogous

#133A75 #1D1375 #4E1375

triadic

#1D1375 #751D13 #13751D

tetradic

#1D1375 #75133A #6B7513 #13754E

square

#1D1375 #75133A #6B7513 #13754E

split-complementary

#1D1375 #754E13 #3A7513

monochromatic

#07041A #100A40 #1D1375 #2A1CAA #3927DC

Accessibility & contrast

On white

14.98

#1D1375 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.40

#1D1375 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1375

14.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1375	#FFFFFF	#000000	##FFFFFF
##1D1375	1.00	14.98	1.40	14.98
#FFFFFF	14.98	1.00	21.00	1.00
#000000	1.40	21.00	1.00	21.00
##FFFFFF	14.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B78

Deuteranopia (green-blind)

#002273

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1d1375;
/* rgb */ color: rgb(29, 19, 117);
/* oklch */ color: oklch(28.8% 0.155 275.2);

Tailwind

colors: {
  custom: {
    50: '#69549e',
    500: '#1d1375',
    950: '#000000',
  },
}

SCSS

$custom: #1d1375;
$custom-light: #69549e;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1375",
  "rgb": {
    "r": 29,
    "g": 19,
    "b": 117
  },
  "hsl": {
    "h": 246.122,
    "s": 72.059,
    "l": 26.667
  },
  "oklch": {
    "l": 0.28841,
    "c": 0.1548,
    "h": 275.2
  },
  "luminance": 0.02011
}

Semantic roles & 50–950 ramp

primary

#1D1375

secondary

#A0AB38

accent

#EF39DC

background

#F6F4F9

surface

#ECE8F2

border

#C7C4CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1375

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

Preview Lab → · Contrast checker → · Palette generator →