#1D4690#1D4690

#1D4690 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.0% C 0.131 H 261.1°. Best body text is #FFFFFF at 9.01:1 contrast (WCAG AA passes).

Color values

HEX	#1D4690
RGB	rgb(29, 70, 144)
HSL	hsl(219, 66%, 34%)
HSV	hsv(219, 80%, 56%)
CMYK	cmyk(79.9%, 51.4%, 0%, 43.5%)
CIE-LAB	lab(31.01, 14.01, -45.00)
CIE-LCH	lch(31.01, 47.13, 287.29°)
OKLab	oklab(40.99% -0.0203 -0.1295)
OKLCH	oklch(40.99% 0.131 261.1)
XYZ	xyz(7.7291, 6.6542, 27.2572)
Luminance	0.0665 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4690 #90671D

analogous

#1D8090 #1D4690 #2E1D90

triadic

#1D4690 #901D46 #46901D

tetradic

#1D4690 #901D80 #90671D #1D902E

square

#1D4690 #901D80 #90671D #1D902E

split-complementary

#1D4690 #902E1D #80901D

monochromatic

#08142A #132D5D #1D4690 #275FC3 #4C7FDB

Accessibility & contrast

On white

9.01

#1D4690 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#1D4690 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4690

9.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4690	#FFFFFF	#000000	##FFFFFF
##1D4690	1.00	9.01	2.33	9.01
#FFFFFF	9.01	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#184F93

Deuteranopia (green-blind)

#00448F

Tritanopia (blue-blind)

#005864

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #1d4690;
/* rgb */ color: rgb(29, 70, 144);
/* oklch */ color: oklch(41.0% 0.131 261.1);

Tailwind

colors: {
  custom: {
    50: '#6c78b1',
    500: '#1d4690',
    950: '#000000',
  },
}

SCSS

$custom: #1d4690;
$custom-light: #6c78b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4690",
  "rgb": {
    "r": 29,
    "g": 70,
    "b": 144
  },
  "hsl": {
    "h": 218.609,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40988,
    "c": 0.13108,
    "h": 261.1
  },
  "luminance": 0.06655
}

Semantic roles & 50–950 ramp

primary

#1D4690

secondary

#BD954B

accent

#AC3EE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4690

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

Preview Lab → · Contrast checker → · Palette generator →