#1D519A#1D519A

#1D519A is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.2% C 0.131 H 257.8°. Best body text is #FFFFFF at 7.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D519A
RGB	rgb(29, 81, 154)
HSL	hsl(215, 68%, 36%)
HSV	hsv(215, 81%, 60%)
CMYK	cmyk(81.2%, 47.4%, 0%, 39.6%)
CIE-LAB	lab(34.96, 10.58, -44.71)
CIE-LCH	lch(34.96, 45.95, 283.31°)
OKLab	oklab(44.25% -0.0277 -0.1284)
OKLCH	oklch(44.25% 0.131 257.8)
XYZ	xyz(9.2797, 8.4781, 31.7129)
Luminance	0.0848 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D519A #9A661D

analogous

#1D8F9A #1D519A #271D9A

triadic

#1D519A #9A1D51 #519A1D

tetradic

#1D519A #9A1D8F #9A661D #1D9A27

square

#1D519A #9A1D8F #9A661D #1D9A27

split-complementary

#1D519A #9A271D #8F9A1D

monochromatic

#0A1B33 #133666 #1D519A #276CCE #538DDF

Accessibility & contrast

On white

7.79

#1D519A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1D519A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D519A

7.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D519A	#FFFFFF	#000000	##FFFFFF
##1D519A	1.00	7.79	2.70	7.79
#FFFFFF	7.79	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29589D

Deuteranopia (green-blind)

#054D99

Tritanopia (blue-blind)

#00626E

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1d519a;
/* rgb */ color: rgb(29, 81, 154);
/* oklch */ color: oklch(44.2% 0.131 257.8);

Tailwind

colors: {
  custom: {
    50: '#6e81b8',
    500: '#1d519a',
    950: '#000000',
  },
}

SCSS

$custom: #1d519a;
$custom-light: #6e81b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d519a",
  "rgb": {
    "r": 29,
    "g": 81,
    "b": 154
  },
  "hsl": {
    "h": 215.04,
    "s": 68.306,
    "l": 35.882
  },
  "oklch": {
    "l": 0.44246,
    "c": 0.13136,
    "h": 257.8
  },
  "luminance": 0.08479
}

Semantic roles & 50–950 ramp

primary

#1D519A

secondary

#C29351

accent

#A33DEB

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080A11

muted

#7B7C80

Preview Lab

Preview with #1D519A

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

Preview Lab → · Contrast checker → · Palette generator →