#1D3EA7#1D3EA7

#1D3EA7 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.3% C 0.173 H 265.6°. Best body text is #FFFFFF at 9.13:1 contrast (WCAG AA passes).

Color values

HEX	#1D3EA7
RGB	rgb(29, 62, 167)
HSL	hsl(226, 70%, 38%)
HSV	hsv(226, 83%, 65%)
CMYK	cmyk(82.6%, 62.9%, 0%, 34.5%)
CIE-LAB	lab(30.63, 28.60, -59.57)
CIE-LCH	lch(30.63, 66.08, 295.64°)
OKLab	oklab(41.28% -0.0134 -0.1724)
OKLCH	oklch(41.28% 0.173 265.6)
XYZ	xyz(9.2019, 6.4954, 37.3205)
Luminance	0.0650 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3EA7 #A7861D

analogous

#1D83A7 #1D3EA7 #411DA7

triadic

#1D3EA7 #A71D3E #3EA71D

tetradic

#1D3EA7 #A71D83 #A7861D #1DA741

square

#1D3EA7 #A71D83 #A7861D #1DA741

split-complementary

#1D3EA7 #A7411D #83A71D

monochromatic

#0B173F #142B73 #1D3EA7 #2852DA #5C7CE3

Accessibility & contrast

On white

9.13

#1D3EA7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1D3EA7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3EA7

9.13:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3EA7	#FFFFFF	#000000	##FFFFFF
##1D3EA7	1.00	9.13	2.30	9.13
#FFFFFF	9.13	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.13	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAA

Deuteranopia (green-blind)

#0042A5

Tritanopia (blue-blind)

#00596C

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d3ea7;
/* rgb */ color: rgb(29, 62, 167);
/* oklch */ color: oklch(41.3% 0.173 265.6);

Tailwind

colors: {
  custom: {
    50: '#7273c2',
    500: '#1d3ea7',
    950: '#000000',
  },
}

SCSS

$custom: #1d3ea7;
$custom-light: #7273c2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3ea7",
  "rgb": {
    "r": 29,
    "g": 62,
    "b": 167
  },
  "hsl": {
    "h": 225.652,
    "s": 70.408,
    "l": 38.431
  },
  "oklch": {
    "l": 0.41282,
    "c": 0.17294,
    "h": 265.6
  },
  "luminance": 0.06496
}

Semantic roles & 50–950 ramp

primary

#1D3EA7

secondary

#C7AC59

accent

#C23BED

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#090812

muted

#7B7B81

Preview Lab

Preview with #1D3EA7

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

Preview Lab → · Contrast checker → · Palette generator →