#1D4C90#1D4C90

#1D4C90 is a dark, vivid blue. Relative luminance 0.074; OKLCH L 42.4% C 0.124 H 258.2°. Best body text is #FFFFFF at 8.44:1 contrast (WCAG AA passes).

Color values

HEX	#1D4C90
RGB	rgb(29, 76, 144)
HSL	hsl(215, 66%, 34%)
HSV	hsv(215, 80%, 56%)
CMYK	cmyk(79.9%, 47.2%, 0%, 43.5%)
CIE-LAB	lab(32.79, 9.92, -42.12)
CIE-LCH	lch(32.79, 43.27, 283.25°)
OKLab	oklab(42.36% -0.0254 -0.1209)
OKLCH	oklch(42.36% 0.124 258.2)
XYZ	xyz(8.1233, 7.4428, 27.3886)
Luminance	0.0744 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4C90 #90611D

analogous

#1D8690 #1D4C90 #271D90

triadic

#1D4C90 #901D4C #4C901D

tetradic

#1D4C90 #901D86 #90611D #1D9027

square

#1D4C90 #901D86 #90611D #1D9027

split-complementary

#1D4C90 #90271D #86901D

monochromatic

#08162A #13315D #1D4C90 #2767C3 #4C87DB

Accessibility & contrast

On white

8.44

#1D4C90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.49

#1D4C90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4C90

8.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4C90	#FFFFFF	#000000	##FFFFFF
##1D4C90	1.00	8.44	2.49	8.44
#FFFFFF	8.44	1.00	21.00	1.00
#000000	2.49	21.00	1.00	21.00
##FFFFFF	8.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#285393

Deuteranopia (green-blind)

#0A488F

Tritanopia (blue-blind)

#005C67

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #1d4c90;
/* rgb */ color: rgb(29, 76, 144);
/* oklch */ color: oklch(42.4% 0.124 258.2);

Tailwind

colors: {
  custom: {
    50: '#6c7db1',
    500: '#1d4c90',
    950: '#000000',
  },
}

SCSS

$custom: #1d4c90;
$custom-light: #6c7db1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4c90",
  "rgb": {
    "r": 29,
    "g": 76,
    "b": 144
  },
  "hsl": {
    "h": 215.478,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.42361,
    "c": 0.12352,
    "h": 258.2
  },
  "luminance": 0.07444
}

Semantic roles & 50–950 ramp

primary

#1D4C90

secondary

#BD8F4B

accent

#A43EE9

background

#F7F7FA

surface

#EDEEF5

border

#C8C9CF

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4C90

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

Preview Lab → · Contrast checker → · Palette generator →