#1D478E#1D478E

#1D478E is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.1% C 0.127 H 260.3°. Best body text is #FFFFFF at 8.96:1 contrast (WCAG AA passes).

Color values

HEX	#1D478E
RGB	rgb(29, 71, 142)
HSL	hsl(218, 66%, 34%)
HSV	hsv(218, 80%, 56%)
CMYK	cmyk(79.6%, 50%, 0%, 44.3%)
CIE-LAB	lab(31.16, 12.51, -43.53)
CIE-LCH	lch(31.16, 45.29, 286.04°)
OKLab	oklab(41.06% -0.0215 -0.1251)
OKLCH	oklch(41.06% 0.127 260.3)
XYZ	xyz(7.6406, 6.7198, 26.4803)
Luminance	0.0672 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D478E #8E641D

analogous

#1D7F8E #1D478E #2B1D8E

triadic

#1D478E #8E1D47 #478E1D

tetradic

#1D478E #8E1D7F #8E641D #1D8E2B

square

#1D478E #8E1D7F #8E641D #1D8E2B

split-complementary

#1D478E #8E2B1D #7F8E1D

monochromatic

#081428 #132E5B #1D478E #2760C1 #4B80DA

Accessibility & contrast

On white

8.96

#1D478E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.34

#1D478E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D478E

8.96:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D478E	#FFFFFF	#000000	##FFFFFF
##1D478E	1.00	8.96	2.34	8.96
#FFFFFF	8.96	1.00	21.00	1.00
#000000	2.34	21.00	1.00	21.00
##FFFFFF	8.96	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4F91

Deuteranopia (green-blind)

#00448D

Tritanopia (blue-blind)

#005863

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d478e;
/* rgb */ color: rgb(29, 71, 142);
/* oklch */ color: oklch(41.1% 0.127 260.3);

Tailwind

colors: {
  custom: {
    50: '#6b79b0',
    500: '#1d478e',
    950: '#000000',
  },
}

SCSS

$custom: #1d478e;
$custom-light: #6b79b0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d478e",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 142
  },
  "hsl": {
    "h": 217.699,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.41061,
    "c": 0.12696,
    "h": 260.3
  },
  "luminance": 0.06721
}

Semantic roles & 50–950 ramp

primary

#1D478E

secondary

#BD924A

accent

#AA3FE9

background

#F6F7FA

surface

#ECEDF5

border

#C7C8CF

text

#080910

muted

#7A7B7F

Preview Lab

Preview with #1D478E

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

Preview Lab → · Contrast checker → · Palette generator →