#1D3082#1D3082

#1D3082 is a dark, vivid blue. Relative luminance 0.040; OKLCH L 35.1% C 0.140 H 268.1°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#1D3082
RGB	rgb(29, 48, 130)
HSL	hsl(229, 64%, 31%)
HSV	hsv(229, 78%, 51%)
CMYK	cmyk(77.7%, 63.1%, 0%, 49%)
CIE-LAB	lab(23.63, 23.66, -48.30)
CIE-LCH	lch(23.63, 53.79, 296.10°)
OKLab	oklab(35.07% -0.0045 -0.1396)
OKLCH	oklch(35.07% 0.14 268.1)
XYZ	xyz(5.5915, 3.9862, 21.5895)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D3082 #826F1D

analogous

#1D6282 #1D3082 #3C1D82

triadic

#1D3082 #821D30 #30821D

tetradic

#1D3082 #821D62 #826F1D #1D823C

square

#1D3082 #821D62 #826F1D #1D823C

split-complementary

#1D3082 #823C1D #62821D

monochromatic

#070B1E #121E50 #1D3082 #2842B4 #445FD5

Accessibility & contrast

On white

11.68

#1D3082 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#1D3082 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D3082

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D3082	#FFFFFF	#000000	##FFFFFF
##1D3082	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D85

Deuteranopia (green-blind)

#003480

Tritanopia (blue-blind)

#004554

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #1d3082;
/* rgb */ color: rgb(29, 48, 130);
/* oklch */ color: oklch(35.1% 0.140 268.1);

Tailwind

colors: {
  custom: {
    50: '#6a68a7',
    500: '#1d3082',
    950: '#000000',
  },
}

SCSS

$custom: #1d3082;
$custom-light: #6a68a7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d3082",
  "rgb": {
    "r": 29,
    "g": 48,
    "b": 130
  },
  "hsl": {
    "h": 228.713,
    "s": 63.522,
    "l": 31.176
  },
  "oklch": {
    "l": 0.35072,
    "c": 0.13964,
    "h": 268.1
  },
  "luminance": 0.03987
}

Semantic roles & 50–950 ramp

primary

#1D3082

secondary

#B5A046

accent

#C741E7

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #1D3082

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

Preview Lab → · Contrast checker → · Palette generator →