#1D4C96#1D4C96

#1D4C96 is a dark, vivid blue. Relative luminance 0.076; OKLCH L 42.8% C 0.132 H 259.4°. Best body text is #FFFFFF at 8.31:1 contrast (WCAG AA passes).

Color values

HEX	#1D4C96
RGB	rgb(29, 76, 150)
HSL	hsl(217, 68%, 35%)
HSV	hsv(217, 81%, 59%)
CMYK	cmyk(80.7%, 49.3%, 0%, 41.2%)
CIE-LAB	lab(33.20, 12.34, -45.12)
CIE-LCH	lch(33.20, 46.78, 285.29°)
OKLab	oklab(42.81% -0.0243 -0.1297)
OKLCH	oklch(42.81% 0.132 259.4)
XYZ	xyz(8.5941, 7.6311, 29.8682)
Luminance	0.0763 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4C96 #96671D

analogous

#1D8996 #1D4C96 #2A1D96

triadic

#1D4C96 #961D4C #4C961D

tetradic

#1D4C96 #961D89 #96671D #1D962A

square

#1D4C96 #961D89 #96671D #1D962A

split-complementary

#1D4C96 #962A1D #89961D

monochromatic

#09182F #133263 #1D4C96 #2766C9 #5087DD

Accessibility & contrast

On white

8.31

#1D4C96 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.53

#1D4C96 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4C96

8.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4C96	#FFFFFF	#000000	##FFFFFF
##1D4C96	1.00	8.31	2.53	8.31
#FFFFFF	8.31	1.00	21.00	1.00
#000000	2.53	21.00	1.00	21.00
##FFFFFF	8.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215499

Deuteranopia (green-blind)

#004995

Tritanopia (blue-blind)

#005E6A

Achromatopsia (no color)

#4E4E4E

Design tokens & code

CSS

--color: #1d4c96;
/* rgb */ color: rgb(29, 76, 150);
/* oklch */ color: oklch(42.8% 0.132 259.4);

Tailwind

colors: {
  custom: {
    50: '#6d7db5',
    500: '#1d4c96',
    950: '#000000',
  },
}

SCSS

$custom: #1d4c96;
$custom-light: #6d7db5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4c96",
  "rgb": {
    "r": 29,
    "g": 76,
    "b": 150
  },
  "hsl": {
    "h": 216.694,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.42806,
    "c": 0.13197,
    "h": 259.4
  },
  "luminance": 0.07632
}

Semantic roles & 50–950 ramp

primary

#1D4C96

secondary

#C0944F

accent

#A73DEA

background

#F7F7FB

surface

#EDEEF6

border

#C8C9D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4C96

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

Preview Lab → · Contrast checker → · Palette generator →