#1D4AAE#1D4AAE

#1D4AAE is a dark, vivid blue. Relative luminance 0.082; OKLCH L 44.3% C 0.168 H 263.1°. Best body text is #FFFFFF at 7.95:1 contrast (WCAG AA passes).

Color values

HEX	#1D4AAE
RGB	rgb(29, 74, 174)
HSL	hsl(221, 71%, 40%)
HSV	hsv(221, 83%, 68%)
CMYK	cmyk(83.3%, 57.5%, 0%, 31.8%)
CIE-LAB	lab(34.42, 23.27, -57.56)
CIE-LCH	lch(34.42, 62.09, 292.02°)
OKLab	oklab(44.3% -0.0202 -0.1663)
OKLCH	oklch(44.3% 0.168 263.1)
XYZ	xyz(10.5927, 8.2135, 41.0633)
Luminance	0.0822 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4AAE #AE811D

analogous

#1D93AE #1D4AAE #381DAE

triadic

#1D4AAE #AE1D4A #4AAE1D

tetradic

#1D4AAE #AE1D93 #AE811D #1DAE38

square

#1D4AAE #AE1D93 #AE811D #1DAE38

split-complementary

#1D4AAE #AE381D #93AE1D

monochromatic

#0C1D45 #14347A #1D4AAE #2C63DC #618AE5

Accessibility & contrast

On white

7.95

#1D4AAE on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.64

#1D4AAE on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4AAE

7.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4AAE	#FFFFFF	#000000	##FFFFFF
##1D4AAE	1.00	7.95	2.64	7.95
#FFFFFF	7.95	1.00	21.00	1.00
#000000	2.64	21.00	1.00	21.00
##FFFFFF	7.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058B1

Deuteranopia (green-blind)

#004BAC

Tritanopia (blue-blind)

#006374

Achromatopsia (no color)

#515151

Design tokens & code

CSS

--color: #1d4aae;
/* rgb */ color: rgb(29, 74, 174);
/* oklch */ color: oklch(44.3% 0.168 263.1);

Tailwind

colors: {
  custom: {
    50: '#737bc7',
    500: '#1d4aae',
    950: '#000000',
  },
}

SCSS

$custom: #1d4aae;
$custom-light: #737bc7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4aae",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 174
  },
  "hsl": {
    "h": 221.379,
    "s": 71.429,
    "l": 39.804
  },
  "oklch": {
    "l": 0.44301,
    "c": 0.16756,
    "h": 263.1
  },
  "luminance": 0.08215
}

Semantic roles & 50–950 ramp

primary

#1D4AAE

secondary

#C9A85E

accent

#B63AEE

background

#F7F7FC

surface

#EEEDF8

border

#C9C8D1

text

#0A0913

muted

#7C7B82

Preview Lab

Preview with #1D4AAE

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

Preview Lab → · Contrast checker → · Palette generator →