#1D4990#1D4990

#1D4990 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.7% C 0.127 H 259.7°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D4990
RGB	rgb(29, 73, 144)
HSL	hsl(217, 66%, 34%)
HSV	hsv(217, 80%, 56%)
CMYK	cmyk(79.9%, 49.3%, 0%, 43.5%)
CIE-LAB	lab(31.90, 11.96, -43.57)
CIE-LCH	lch(31.90, 45.18, 285.35°)
OKLab	oklab(41.67% -0.0228 -0.1252)
OKLCH	oklch(41.67% 0.127 259.7)
XYZ	xyz(7.9214, 7.0390, 27.3213)
Luminance	0.0704 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4990 #90641D

analogous

#1D8390 #1D4990 #2A1D90

triadic

#1D4990 #901D49 #49901D

tetradic

#1D4990 #901D83 #90641D #1D902A

square

#1D4990 #901D83 #90641D #1D902A

split-complementary

#1D4990 #902A1D #83901D

monochromatic

#08152A #132F5D #1D4990 #2763C3 #4C83DB

Accessibility & contrast

On white

8.72

#1D4990 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1D4990 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4990

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4990	#FFFFFF	#000000	##FFFFFF
##1D4990	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#215193

Deuteranopia (green-blind)

#00468F

Tritanopia (blue-blind)

#005A65

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4990;
/* rgb */ color: rgb(29, 73, 144);
/* oklch */ color: oklch(41.7% 0.127 259.7);

Tailwind

colors: {
  custom: {
    50: '#6c7bb1',
    500: '#1d4990',
    950: '#000000',
  },
}

SCSS

$custom: #1d4990;
$custom-light: #6c7bb1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4990",
  "rgb": {
    "r": 29,
    "g": 73,
    "b": 144
  },
  "hsl": {
    "h": 217.043,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.41669,
    "c": 0.12726,
    "h": 259.7
  },
  "luminance": 0.0704
}

Semantic roles & 50–950 ramp

primary

#1D4990

secondary

#BD924B

accent

#A83EE9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4990

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

Preview Lab → · Contrast checker → · Palette generator →