#1D4BA7#1D4BA7

#1D4BA7 is a dark, vivid blue. Relative luminance 0.081; OKLCH L 43.9% C 0.157 H 262.1°. Best body text is #FFFFFF at 8.03:1 contrast (WCAG AA passes).

Color values

HEX	#1D4BA7
RGB	rgb(29, 75, 167)
HSL	hsl(220, 70%, 38%)
HSV	hsv(220, 83%, 65%)
CMYK	cmyk(82.6%, 55.1%, 0%, 34.5%)
CIE-LAB	lab(34.15, 19.83, -53.83)
CIE-LCH	lch(34.15, 57.36, 290.22°)
OKLab	oklab(43.93% -0.0214 -0.1553)
OKLCH	oklch(43.93% 0.157 262.1)
XYZ	xyz(9.9953, 8.0822, 37.5849)
Luminance	0.0808 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4BA7 #A7791D

analogous

#1D90A7 #1D4BA7 #341DA7

triadic

#1D4BA7 #A71D4B #4BA71D

tetradic

#1D4BA7 #A71D90 #A7791D #1DA734

square

#1D4BA7 #A71D90 #A7791D #1DA734

split-complementary

#1D4BA7 #A7341D #90A71D

monochromatic

#0B1C3F #143473 #1D4BA7 #2863DA #5C89E3

Accessibility & contrast

On white

8.03

#1D4BA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.62

#1D4BA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4BA7

8.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4BA7	#FFFFFF	#000000	##FFFFFF
##1D4BA7	1.00	8.03	2.62	8.03
#FFFFFF	8.03	1.00	21.00	1.00
#000000	2.62	21.00	1.00	21.00
##FFFFFF	8.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0057AA

Deuteranopia (green-blind)

#004AA5

Tritanopia (blue-blind)

#006271

Achromatopsia (no color)

#505050

Design tokens & code

CSS

--color: #1d4ba7;
/* rgb */ color: rgb(29, 75, 167);
/* oklch */ color: oklch(43.9% 0.157 262.1);

Tailwind

colors: {
  custom: {
    50: '#717cc2',
    500: '#1d4ba7',
    950: '#000000',
  },
}

SCSS

$custom: #1d4ba7;
$custom-light: #717cc2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4ba7",
  "rgb": {
    "r": 29,
    "g": 75,
    "b": 167
  },
  "hsl": {
    "h": 220,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.43925,
    "c": 0.15681,
    "h": 262.1
  },
  "luminance": 0.08083
}

Semantic roles & 50–950 ramp

primary

#1D4BA7

secondary

#C7A259

accent

#B23BED

background

#F7F7FC

surface

#EDEEF8

border

#C8C9D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D4BA7

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

Preview Lab → · Contrast checker → · Palette generator →