#1D4A90#1D4A90

#1D4A90 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 41.9% C 0.126 H 259.2°. Best body text is #FFFFFF at 8.63:1 contrast (WCAG AA passes).

Color values

HEX	#1D4A90
RGB	rgb(29, 74, 144)
HSL	hsl(217, 66%, 34%)
HSV	hsv(217, 80%, 56%)
CMYK	cmyk(79.9%, 48.6%, 0%, 43.5%)
CIE-LAB	lab(32.19, 11.28, -43.09)
CIE-LCH	lch(32.19, 44.54, 284.67°)
OKLab	oklab(41.9% -0.0237 -0.1238)
OKLCH	oklch(41.9% 0.126 259.2)
XYZ	xyz(7.9877, 7.1715, 27.3434)
Luminance	0.0717 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4A90 #90631D

analogous

#1D8490 #1D4A90 #2A1D90

triadic

#1D4A90 #901D4A #4A901D

tetradic

#1D4A90 #901D84 #90631D #1D902A

square

#1D4A90 #901D84 #90631D #1D902A

split-complementary

#1D4A90 #902A1D #84901D

monochromatic

#08162A #13305D #1D4A90 #2764C3 #4C84DB

Accessibility & contrast

On white

8.63

#1D4A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#1D4A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4A90

8.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4A90	#FFFFFF	#000000	##FFFFFF
##1D4A90	1.00	8.63	2.43	8.63
#FFFFFF	8.63	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#235193

Deuteranopia (green-blind)

#00478F

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4a90;
/* rgb */ color: rgb(29, 74, 144);
/* oklch */ color: oklch(41.9% 0.126 259.2);

Tailwind

colors: {
  custom: {
    50: '#6c7bb1',
    500: '#1d4a90',
    950: '#000000',
  },
}

SCSS

$custom: #1d4a90;
$custom-light: #6c7bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4a90",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 144
  },
  "hsl": {
    "h": 216.522,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.41899,
    "c": 0.12601,
    "h": 259.2
  },
  "luminance": 0.07172
}

Semantic roles & 50–950 ramp

primary

#1D4A90

secondary

#BD914B

accent

#A63EE9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4A90

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

Preview Lab → · Contrast checker → · Palette generator →