#1D3893#1D3893

#1D3893 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.3% C 0.153 H 266.3°. Best body text is #FFFFFF at 10.30:1 contrast (WCAG AA passes).

Color values

HEX	#1D3893
RGB	rgb(29, 56, 147)
HSL	hsl(226, 67%, 35%)
HSV	hsv(226, 80%, 58%)
CMYK	cmyk(80.3%, 61.9%, 0%, 42.4%)
CIE-LAB	lab(27.28, 24.85, -52.89)
CIE-LCH	lch(27.28, 58.44, 295.17°)
OKLab	oklab(38.25% -0.0099 -0.1529)
OKLCH	oklch(38.25% 0.153 266.3)
XYZ	xyz(7.1855, 5.1953, 28.2222)
Luminance	0.0520 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3893 #93781D

analogous

#1D7393 #1D3893 #3D1D93

triadic

#1D3893 #931D38 #38931D

tetradic

#1D3893 #931D73 #93781D #1D933D

square

#1D3893 #931D73 #93781D #1D933D

split-complementary

#1D3893 #933D1D #73931D

monochromatic

#09112D #132560 #1D3893 #274BC6 #4E6FDC

Accessibility & contrast

On white

10.30

#1D3893 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#1D3893 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3893

10.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3893	#FFFFFF	#000000	##FFFFFF
##1D3893	1.00	10.30	2.04	10.30
#FFFFFF	10.30	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004696

Deuteranopia (green-blind)

#003B91

Tritanopia (blue-blind)

#004F60

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #1d3893;
/* rgb */ color: rgb(29, 56, 147);
/* oklch */ color: oklch(38.3% 0.153 266.3);

Tailwind

colors: {
  custom: {
    50: '#6e6eb4',
    500: '#1d3893',
    950: '#000000',
  },
}

SCSS

$custom: #1d3893;
$custom-light: #6e6eb4;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3893",
  "rgb": {
    "r": 29,
    "g": 56,
    "b": 147
  },
  "hsl": {
    "h": 226.271,
    "s": 67.045,
    "l": 34.51
  },
  "oklch": {
    "l": 0.38254,
    "c": 0.15324,
    "h": 266.3
  },
  "luminance": 0.05196
}

Semantic roles & 50–950 ramp

primary

#1D3893

secondary

#BFA54D

accent

#C33EEA

background

#F7F6FB

surface

#EDEBF6

border

#C8C6D0

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D3893

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

Preview Lab → · Contrast checker → · Palette generator →