#1D3096#1D3096

#1D3096 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 37.0% C 0.167 H 268.2°. Best body text is #FFFFFF at 10.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D3096
RGB	rgb(29, 48, 150)
HSL	hsl(231, 68%, 35%)
HSV	hsv(231, 81%, 59%)
CMYK	cmyk(80.7%, 68%, 0%, 41.2%)
CIE-LAB	lab(25.49, 31.40, -57.67)
CIE-LCH	lch(25.49, 65.67, 298.57°)
OKLab	oklab(37.02% -0.0053 -0.167)
OKLCH	oklch(37.02% 0.167 268.2)
XYZ	xyz(7.0668, 4.5763, 29.3591)
Luminance	0.0458 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3096 #96831D

analogous

#1D6C96 #1D3096 #471D96

triadic

#1D3096 #961D30 #30961D

tetradic

#1D3096 #961D6C #96831D #1D9647

square

#1D3096 #961D6C #96831D #1D9647

split-complementary

#1D3096 #96471D #6C961D

monochromatic

#090F2F #132063 #1D3096 #2740C9 #5066DD

Accessibility & contrast

On white

10.96

#1D3096 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#1D3096 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3096

10.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3096	#FFFFFF	#000000	##FFFFFF
##1D3096	1.00	10.96	1.92	10.96
#FFFFFF	10.96	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004299

Deuteranopia (green-blind)

#003794

Tritanopia (blue-blind)

#004C5E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #1d3096;
/* rgb */ color: rgb(29, 48, 150);
/* oklch */ color: oklch(37.0% 0.167 268.2);

Tailwind

colors: {
  custom: {
    50: '#6f68b6',
    500: '#1d3096',
    950: '#000000',
  },
}

SCSS

$custom: #1d3096;
$custom-light: #6f68b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3096",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 150
  },
  "hsl": {
    "h": 230.579,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.37017,
    "c": 0.16707,
    "h": 268.2
  },
  "luminance": 0.04577
}

Semantic roles & 50–950 ramp

primary

#1D3096

secondary

#C0AE4F

accent

#CF3DEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#090611

muted

#7B7A80

Preview Lab

Preview with #1D3096

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

Preview Lab → · Contrast checker → · Palette generator →