#1D4AA6#1D4AA6

#1D4AA6 is a dark, vivid blue. Relative luminance 0.079; OKLCH L 43.6% C 0.157 H 262.4°. Best body text is #FFFFFF at 8.13:1 contrast (WCAG AA passes).

Color values

HEX	#1D4AA6
RGB	rgb(29, 74, 166)
HSL	hsl(220, 70%, 38%)
HSV	hsv(220, 83%, 65%)
CMYK	cmyk(82.5%, 55.4%, 0%, 34.9%)
CIE-LAB	lab(33.80, 20.10, -53.81)
CIE-LCH	lch(33.80, 57.44, 290.49°)
OKLab	oklab(43.63% -0.0208 -0.1553)
OKLCH	oklch(43.63% 0.157 262.4)
XYZ	xyz(9.8359, 7.9108, 37.0775)
Luminance	0.0791 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4AA6 #A6791D

analogous

#1D8EA6 #1D4AA6 #341DA6

triadic

#1D4AA6 #A61D4A #4AA61D

tetradic

#1D4AA6 #A61D8E #A6791D #1DA634

square

#1D4AA6 #A61D8E #A6791D #1DA634

split-complementary

#1D4AA6 #A6341D #8EA61D

monochromatic

#0B1C3E #143372 #1D4AA6 #2762D9 #5B87E2

Accessibility & contrast

On white

8.13

#1D4AA6 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.58

#1D4AA6 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4AA6

8.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4AA6	#FFFFFF	#000000	##FFFFFF
##1D4AA6	1.00	8.13	2.58	8.13
#FFFFFF	8.13	1.00	21.00	1.00
#000000	2.58	21.00	1.00	21.00
##FFFFFF	8.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0056A9

Deuteranopia (green-blind)

#004AA4

Tritanopia (blue-blind)

#006170

Achromatopsia (no color)

#4F4F4F

Design tokens & code

CSS

--color: #1d4aa6;
/* rgb */ color: rgb(29, 74, 166);
/* oklch */ color: oklch(43.6% 0.157 262.4);

Tailwind

colors: {
  custom: {
    50: '#717bc1',
    500: '#1d4aa6',
    950: '#000000',
  },
}

SCSS

$custom: #1d4aa6;
$custom-light: #717bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4aa6",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 166
  },
  "hsl": {
    "h": 220.292,
    "s": 70.256,
    "l": 38.235
  },
  "oklch": {
    "l": 0.43631,
    "c": 0.15669,
    "h": 262.4
  },
  "luminance": 0.07912
}

Semantic roles & 50–950 ramp

primary

#1D4AA6

secondary

#C6A259

accent

#B23BED

background

#F7F7FC

surface

#EDEDF8

border

#C8C8D1

text

#090912

muted

#7B7B81

Preview Lab

Preview with #1D4AA6

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

Preview Lab → · Contrast checker → · Palette generator →