#1D1574#1D1574

#1D1574 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.0% C 0.152 H 275.0°. Best body text is #FFFFFF at 14.88:1 contrast (WCAG AA passes).

Color values

HEX	#1D1574
RGB	rgb(29, 21, 116)
HSL	hsl(245, 69%, 27%)
HSV	hsv(245, 82%, 45%)
CMYK	cmyk(75%, 81.9%, 0%, 54.5%)
CIE-LAB	lab(15.79, 35.82, -52.27)
CIE-LCH	lch(15.79, 63.36, 304.42°)
OKLab	oklab(28.98% 0.0133 -0.1511)
OKLCH	oklch(28.98% 0.152 275)
XYZ	xyz(3.9262, 2.0581, 16.7100)
Luminance	0.0206 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1574 #6C7415

analogous

#153C74 #1D1574 #4D1574

triadic

#1D1574 #741D15 #15741D

tetradic

#1D1574 #74153C #6C7415 #15744D

square

#1D1574 #74153C #6C7415 #15744D

split-complementary

#1D1574 #744D15 #3C7415

monochromatic

#06051A #100C40 #1D1574 #2A1EA8 #392BD9

Accessibility & contrast

On white

14.88

#1D1574 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#1D1574 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1574

14.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1574	#FFFFFF	#000000	##FFFFFF
##1D1574	1.00	14.88	1.41	14.88
#FFFFFF	14.88	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B77

Deuteranopia (green-blind)

#002372

Tritanopia (blue-blind)

#003244

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #1d1574;
/* rgb */ color: rgb(29, 21, 116);
/* oklch */ color: oklch(29.0% 0.152 275.0);

Tailwind

colors: {
  custom: {
    50: '#69559d',
    500: '#1d1574',
    950: '#000000',
  },
}

SCSS

$custom: #1d1574;
$custom-light: #69559d;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1574",
  "rgb": {
    "r": 29,
    "g": 21,
    "b": 116
  },
  "hsl": {
    "h": 245.053,
    "s": 69.343,
    "l": 26.863
  },
  "oklch": {
    "l": 0.28976,
    "c": 0.15174,
    "h": 275
  },
  "luminance": 0.02058
}

Semantic roles & 50–950 ramp

primary

#1D1574

secondary

#A1AA3B

accent

#EC3CDD

background

#F6F5F9

surface

#ECE9F2

border

#C7C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #1D1574

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

Preview Lab → · Contrast checker → · Palette generator →