#1D4AA7#1D4AA7

#1D4AA7 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.7% C 0.158 H 262.5°. Best body text is #FFFFFF at 8.11:1 contrast (WCAG AA passes).

Color values

HEX	#1D4AA7
RGB	rgb(29, 74, 167)
HSL	hsl(220, 70%, 38%)
HSV	hsv(220, 83%, 65%)
CMYK	cmyk(82.6%, 55.7%, 0%, 34.5%)
CIE-LAB	lab(33.87, 20.50, -54.28)
CIE-LCH	lch(33.87, 58.02, 290.69°)
OKLab	oklab(43.71% -0.0208 -0.1567)
OKLCH	oklch(43.71% 0.158 262.5)
XYZ	xyz(9.9280, 7.9476, 37.5625)
Luminance	0.0795 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4AA7 #A77A1D

analogous

#1D8FA7 #1D4AA7 #351DA7

triadic

#1D4AA7 #A71D4A #4AA71D

tetradic

#1D4AA7 #A71D8F #A77A1D #1DA735

square

#1D4AA7 #A71D8F #A77A1D #1DA735

split-complementary

#1D4AA7 #A7351D #8FA71D

monochromatic

#0B1C3F #143373 #1D4AA7 #2862DA #5C88E3

Accessibility & contrast

On white

8.11

#1D4AA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.59

#1D4AA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4AA7

8.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4AA7	#FFFFFF	#000000	##FFFFFF
##1D4AA7	1.00	8.11	2.59	8.11
#FFFFFF	8.11	1.00	21.00	1.00
#000000	2.59	21.00	1.00	21.00
##FFFFFF	8.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056AA

Deuteranopia (green-blind)

#004AA5

Tritanopia (blue-blind)

#006171

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d4aa7;
/* rgb */ color: rgb(29, 74, 167);
/* oklch */ color: oklch(43.7% 0.158 262.5);

Tailwind

colors: {
  custom: {
    50: '#727bc2',
    500: '#1d4aa7',
    950: '#000000',
  },
}

SCSS

$custom: #1d4aa7;
$custom-light: #727bc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4aa7",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 167
  },
  "hsl": {
    "h": 220.435,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43713,
    "c": 0.15807,
    "h": 262.5
  },
  "luminance": 0.07949
}

Semantic roles & 50–950 ramp

primary

#1D4AA7

secondary

#C7A359

accent

#B33BED

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D4AA7

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

Preview Lab → · Contrast checker → · Palette generator →