#1D4890#1D4890

#1D4890 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.4% C 0.129 H 260.1°. Best body text is #FFFFFF at 8.82:1 contrast (WCAG AA passes).

Color values

HEX	#1D4890
RGB	rgb(29, 72, 144)
HSL	hsl(218, 66%, 34%)
HSV	hsv(218, 80%, 56%)
CMYK	cmyk(79.9%, 50%, 0%, 43.5%)
CIE-LAB	lab(31.60, 12.64, -44.05)
CIE-LCH	lch(31.60, 45.83, 286.01°)
OKLab	oklab(41.44% -0.022 -0.1266)
OKLCH	oklch(41.44% 0.129 260.1)
XYZ	xyz(7.8563, 6.9086, 27.2996)
Luminance	0.0691 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4890 #90651D

analogous

#1D8290 #1D4890 #2C1D90

triadic

#1D4890 #901D48 #48901D

tetradic

#1D4890 #901D82 #90651D #1D902C

square

#1D4890 #901D82 #90651D #1D902C

split-complementary

#1D4890 #902C1D #82901D

monochromatic

#08152A #132F5D #1D4890 #2761C3 #4C82DB

Accessibility & contrast

On white

8.82

#1D4890 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.38

#1D4890 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4890

8.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4890	#FFFFFF	#000000	##FFFFFF
##1D4890	1.00	8.82	2.38	8.82
#FFFFFF	8.82	1.00	21.00	1.00
#000000	2.38	21.00	1.00	21.00
##FFFFFF	8.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E5093

Deuteranopia (green-blind)

#00458F

Tritanopia (blue-blind)

#005965

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4890;
/* rgb */ color: rgb(29, 72, 144);
/* oklch */ color: oklch(41.4% 0.129 260.1);

Tailwind

colors: {
  custom: {
    50: '#6c7ab1',
    500: '#1d4890',
    950: '#000000',
  },
}

SCSS

$custom: #1d4890;
$custom-light: #6c7ab1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4890",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 144
  },
  "hsl": {
    "h": 217.565,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.41441,
    "c": 0.12854,
    "h": 260.1
  },
  "luminance": 0.0691
}

Semantic roles & 50–950 ramp

primary

#1D4890

secondary

#BD934B

accent

#A93EE9

background

#F7F7FA

surface

#EDEDF5

border

#C8C8CF

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4890

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

Preview Lab → · Contrast checker → · Palette generator →