#1D4190#1D4190

#1D4190 is a dark, vivid blue. Relative luminance 0.061; OKLCH L 39.9% C 0.138 H 263.1°. Best body text is #FFFFFF at 9.50:1 contrast (WCAG AA passes).

Color values

HEX	#1D4190
RGB	rgb(29, 65, 144)
HSL	hsl(221, 66%, 34%)
HSV	hsv(221, 80%, 56%)
CMYK	cmyk(79.9%, 54.9%, 0%, 43.5%)
CIE-LAB	lab(29.55, 17.45, -47.36)
CIE-LCH	lch(29.55, 50.47, 290.22°)
OKLab	oklab(39.88% -0.0164 -0.1365)
OKLCH	oklch(39.88% 0.138 263.1)
XYZ	xyz(7.4292, 6.0546, 27.1572)
Luminance	0.0605 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4190 #906C1D

analogous

#1D7B90 #1D4190 #321D90

triadic

#1D4190 #901D41 #41901D

tetradic

#1D4190 #901D7B #906C1D #1D9032

square

#1D4190 #901D7B #906C1D #1D9032

split-complementary

#1D4190 #90321D #7B901D

monochromatic

#08132A #132A5D #1D4190 #2758C3 #4C79DB

Accessibility & contrast

On white

9.50

#1D4190 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.21

#1D4190 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4190

9.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4190	#FFFFFF	#000000	##FFFFFF
##1D4190	1.00	9.50	2.21	9.50
#FFFFFF	9.50	1.00	21.00	1.00
#000000	2.21	21.00	1.00	21.00
##FFFFFF	9.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#014B93

Deuteranopia (green-blind)

#00418E

Tritanopia (blue-blind)

#005462

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #1d4190;
/* rgb */ color: rgb(29, 65, 144);
/* oklch */ color: oklch(39.9% 0.138 263.1);

Tailwind

colors: {
  custom: {
    50: '#6c75b1',
    500: '#1d4190',
    950: '#000000',
  },
}

SCSS

$custom: #1d4190;
$custom-light: #6c75b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4190",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 144
  },
  "hsl": {
    "h": 221.217,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.39879,
    "c": 0.1375,
    "h": 263.1
  },
  "luminance": 0.06055
}

Semantic roles & 50–950 ramp

primary

#1D4190

secondary

#BD9A4B

accent

#B43EE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4190

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

Preview Lab → · Contrast checker → · Palette generator →