#1D1879#1D1879

#1D1879 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 30.0% C 0.155 H 274.0°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D1879
RGB	rgb(29, 24, 121)
HSL	hsl(243, 67%, 28%)
HSV	hsv(243, 80%, 47%)
CMYK	cmyk(76%, 80.2%, 0%, 52.5%)
CIE-LAB	lab(16.96, 35.85, -53.55)
CIE-LCH	lch(16.96, 64.44, 303.80°)
OKLab	oklab(29.97% 0.0107 -0.1549)
OKLCH	oklch(29.97% 0.155 274)
XYZ	xyz(4.2834, 2.2945, 18.3026)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D1879 #747918

analogous

#184379 #1D1879 #4D1879

triadic

#1D1879 #791D18 #18791D

tetradic

#1D1879 #791843 #747918 #18794D

square

#1D1879 #791843 #747918 #18794D

split-complementary

#1D1879 #794D18 #437918

monochromatic

#06051A #110E46 #1D1879 #2922AC #3D35D7

Accessibility & contrast

On white

14.39

#1D1879 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#1D1879 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D1879

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D1879	#FFFFFF	#000000	##FFFFFF
##1D1879	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002E7C

Deuteranopia (green-blind)

#002577

Tritanopia (blue-blind)

#003548

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #1d1879;
/* rgb */ color: rgb(29, 24, 121);
/* oklch */ color: oklch(30.0% 0.155 274.0);

Tailwind

colors: {
  custom: {
    50: '#6a57a1',
    500: '#1d1879',
    950: '#000000',
  },
}

SCSS

$custom: #1d1879;
$custom-light: #6a57a1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d1879",
  "rgb": {
    "r": 29,
    "g": 24,
    "b": 121
  },
  "hsl": {
    "h": 243.093,
    "s": 66.897,
    "l": 28.431
  },
  "oklch": {
    "l": 0.29972,
    "c": 0.15527,
    "h": 274
  },
  "luminance": 0.02295
}

Semantic roles & 50–950 ramp

primary

#1D1879

secondary

#A8AE3F

accent

#EA3EE1

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#08030F

muted

#7A787F

Preview Lab

Preview with #1D1879

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

Preview Lab → · Contrast checker → · Palette generator →