#1D4EA7#1D4EA7

#1D4EA7 is a dark, vivid blue. Relative luminance 0.085; OKLCH L 44.6% C 0.153 H 261.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#1D4EA7
RGB	rgb(29, 78, 167)
HSL	hsl(219, 70%, 38%)
HSV	hsv(219, 83%, 65%)
CMYK	cmyk(82.6%, 53.3%, 0%, 34.5%)
CIE-LAB	lab(35.00, 17.80, -52.45)
CIE-LCH	lch(35.00, 55.39, 288.75°)
OKLab	oklab(44.57% -0.0235 -0.1512)
OKLCH	oklch(44.57% 0.153 261.2)
XYZ	xyz(10.2036, 8.4988, 37.6544)
Luminance	0.0850 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4EA7 #A7761D

analogous

#1D93A7 #1D4EA7 #311DA7

triadic

#1D4EA7 #A71D4E #4EA71D

tetradic

#1D4EA7 #A71D93 #A7761D #1DA731

square

#1D4EA7 #A71D93 #A7761D #1DA731

split-complementary

#1D4EA7 #A7311D #93A71D

monochromatic

#0B1D3F #143673 #1D4EA7 #2867DA #5C8CE3

Accessibility & contrast

On white

7.78

#1D4EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#1D4EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4EA7

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4EA7	#FFFFFF	#000000	##FFFFFF
##1D4EA7	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A59AA

Deuteranopia (green-blind)

#004CA5

Tritanopia (blue-blind)

#006473

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #1d4ea7;
/* rgb */ color: rgb(29, 78, 167);
/* oklch */ color: oklch(44.6% 0.153 261.2);

Tailwind

colors: {
  custom: {
    50: '#717ec2',
    500: '#1d4ea7',
    950: '#000000',
  },
}

SCSS

$custom: #1d4ea7;
$custom-light: #717ec2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4ea7",
  "rgb": {
    "r": 29,
    "g": 78,
    "b": 167
  },
  "hsl": {
    "h": 218.696,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.44569,
    "c": 0.15306,
    "h": 261.2
  },
  "luminance": 0.085
}

Semantic roles & 50–950 ramp

primary

#1D4EA7

secondary

#C7A059

accent

#AE3BED

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090A12

muted

#7B7C81

Preview Lab

Preview with #1D4EA7

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

Preview Lab → · Contrast checker → · Palette generator →