#1D4891#1D4891

#1D4891 is a dark, vivid blue. Relative luminance 0.069; OKLCH L 41.5% C 0.130 H 260.3°. Best body text is #FFFFFF at 8.79:1 contrast (WCAG AA passes).

Color values

HEX	#1D4891
RGB	rgb(29, 72, 145)
HSL	hsl(218, 67%, 34%)
HSV	hsv(218, 80%, 57%)
CMYK	cmyk(80%, 50.3%, 0%, 43.1%)
CIE-LAB	lab(31.67, 13.04, -44.55)
CIE-LCH	lch(31.67, 46.42, 286.32°)
OKLab	oklab(41.52% -0.0218 -0.1281)
OKLCH	oklch(41.52% 0.13 260.3)
XYZ	xyz(7.9330, 6.9393, 27.7039)
Luminance	0.0694 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4891 #91661D

analogous

#1D8291 #1D4891 #2C1D91

triadic

#1D4891 #911D48 #48911D

tetradic

#1D4891 #911D82 #91661D #1D912C

square

#1D4891 #911D82 #91661D #1D912C

split-complementary

#1D4891 #912C1D #82911D

monochromatic

#09152B #132F5E #1D4891 #2761C4 #4D82DB

Accessibility & contrast

On white

8.79

#1D4891 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.39

#1D4891 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4891

8.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4891	#FFFFFF	#000000	##FFFFFF
##1D4891	1.00	8.79	2.39	8.79
#FFFFFF	8.79	1.00	21.00	1.00
#000000	2.39	21.00	1.00	21.00
##FFFFFF	8.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D5094

Deuteranopia (green-blind)

#004690

Tritanopia (blue-blind)

#005A65

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4891;
/* rgb */ color: rgb(29, 72, 145);
/* oklch */ color: oklch(41.5% 0.130 260.3);

Tailwind

colors: {
  custom: {
    50: '#6c7ab2',
    500: '#1d4891',
    950: '#000000',
  },
}

SCSS

$custom: #1d4891;
$custom-light: #6c7ab2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4891",
  "rgb": {
    "r": 29,
    "g": 72,
    "b": 145
  },
  "hsl": {
    "h": 217.759,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41518,
    "c": 0.12995,
    "h": 260.3
  },
  "luminance": 0.0694
}

Semantic roles & 50–950 ramp

primary

#1D4891

secondary

#BE944C

accent

#AA3EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4891

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

Preview Lab → · Contrast checker → · Palette generator →