#1D4A91#1D4A91

#1D4A91 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 42.0% C 0.127 H 259.4°. Best body text is #FFFFFF at 8.60:1 contrast (WCAG AA passes).

Color values

HEX	#1D4A91
RGB	rgb(29, 74, 145)
HSL	hsl(217, 67%, 34%)
HSV	hsv(217, 80%, 57%)
CMYK	cmyk(80%, 49%, 0%, 43.1%)
CIE-LAB	lab(32.26, 11.68, -43.59)
CIE-LCH	lch(32.26, 45.13, 285.00°)
OKLab	oklab(41.97% -0.0235 -0.1252)
OKLCH	oklch(41.97% 0.127 259.4)
XYZ	xyz(8.0644, 7.2022, 27.7477)
Luminance	0.0720 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4A91 #91641D

analogous

#1D8491 #1D4A91 #2A1D91

triadic

#1D4A91 #911D4A #4A911D

tetradic

#1D4A91 #911D84 #91641D #1D912A

square

#1D4A91 #911D84 #91641D #1D912A

split-complementary

#1D4A91 #912A1D #84911D

monochromatic

#09162B #13305E #1D4A91 #2764C4 #4D84DB

Accessibility & contrast

On white

8.60

#1D4A91 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.44

#1D4A91 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4A91

8.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4A91	#FFFFFF	#000000	##FFFFFF
##1D4A91	1.00	8.60	2.44	8.60
#FFFFFF	8.60	1.00	21.00	1.00
#000000	2.44	21.00	1.00	21.00
##FFFFFF	8.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#225294

Deuteranopia (green-blind)

#004790

Tritanopia (blue-blind)

#005B66

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #1d4a91;
/* rgb */ color: rgb(29, 74, 145);
/* oklch */ color: oklch(42.0% 0.127 259.4);

Tailwind

colors: {
  custom: {
    50: '#6c7bb2',
    500: '#1d4a91',
    950: '#000000',
  },
}

SCSS

$custom: #1d4a91;
$custom-light: #6c7bb2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4a91",
  "rgb": {
    "r": 29,
    "g": 74,
    "b": 145
  },
  "hsl": {
    "h": 216.724,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41974,
    "c": 0.12742,
    "h": 259.4
  },
  "luminance": 0.07203
}

Semantic roles & 50–950 ramp

primary

#1D4A91

secondary

#BE924C

accent

#A73EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4A91

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

Preview Lab → · Contrast checker → · Palette generator →