#1D4290#1D4290

#1D4290 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.1% C 0.136 H 262.8°. Best body text is #FFFFFF at 9.40:1 contrast (WCAG AA passes).

Color values

HEX	#1D4290
RGB	rgb(29, 66, 144)
HSL	hsl(221, 66%, 34%)
HSV	hsv(221, 80%, 56%)
CMYK	cmyk(79.9%, 54.2%, 0%, 43.5%)
CIE-LAB	lab(29.84, 16.76, -46.89)
CIE-LCH	lch(29.84, 49.80, 289.66°)
OKLab	oklab(40.1% -0.0172 -0.1351)
OKLCH	oklch(40.1% 0.136 262.8)
XYZ	xyz(7.4871, 6.1704, 27.1766)
Luminance	0.0617 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4290 #906B1D

analogous

#1D7C90 #1D4290 #321D90

triadic

#1D4290 #901D42 #42901D

tetradic

#1D4290 #901D7C #906B1D #1D9032

square

#1D4290 #901D7C #906B1D #1D9032

split-complementary

#1D4290 #90321D #7C901D

monochromatic

#08132A #132B5D #1D4290 #2759C3 #4C7ADB

Accessibility & contrast

On white

9.40

#1D4290 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#1D4290 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4290

9.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4290	#FFFFFF	#000000	##FFFFFF
##1D4290	1.00	9.40	2.23	9.40
#FFFFFF	9.40	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#074C93

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#005562

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1d4290;
/* rgb */ color: rgb(29, 66, 144);
/* oklch */ color: oklch(40.1% 0.136 262.8);

Tailwind

colors: {
  custom: {
    50: '#6c75b1',
    500: '#1d4290',
    950: '#000000',
  },
}

SCSS

$custom: #1d4290;
$custom-light: #6c75b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4290",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 144
  },
  "hsl": {
    "h": 220.696,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.40098,
    "c": 0.13622,
    "h": 262.8
  },
  "luminance": 0.06171
}

Semantic roles & 50–950 ramp

primary

#1D4290

secondary

#BD994B

accent

#B23EE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4290

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

Preview Lab → · Contrast checker → · Palette generator →