#1D4791#1D4791

#1D4791 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.3% C 0.131 H 260.8°. Best body text is #FFFFFF at 8.89:1 contrast (WCAG AA passes).

Color values

HEX	#1D4791
RGB	rgb(29, 71, 145)
HSL	hsl(218, 67%, 34%)
HSV	hsv(218, 80%, 57%)
CMYK	cmyk(80%, 51%, 0%, 43.1%)
CIE-LAB	lab(31.37, 13.73, -45.02)
CIE-LCH	lch(31.37, 47.07, 286.95°)
OKLab	oklab(41.29% -0.021 -0.1295)
OKLCH	oklch(41.29% 0.131 260.8)
XYZ	xyz(7.8689, 6.8111, 27.6825)
Luminance	0.0681 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4791 #91671D

analogous

#1D8191 #1D4791 #2D1D91

triadic

#1D4791 #911D47 #47911D

tetradic

#1D4791 #911D81 #91671D #1D912D

square

#1D4791 #911D81 #91671D #1D912D

split-complementary

#1D4791 #912D1D #81911D

monochromatic

#09152B #132E5E #1D4791 #2760C4 #4D81DB

Accessibility & contrast

On white

8.89

#1D4791 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1D4791 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4791

8.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4791	#FFFFFF	#000000	##FFFFFF
##1D4791	1.00	8.89	2.36	8.89
#FFFFFF	8.89	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1A4F94

Deuteranopia (green-blind)

#004590

Tritanopia (blue-blind)

#005965

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4791;
/* rgb */ color: rgb(29, 71, 145);
/* oklch */ color: oklch(41.3% 0.131 260.8);

Tailwind

colors: {
  custom: {
    50: '#6c79b2',
    500: '#1d4791',
    950: '#000000',
  },
}

SCSS

$custom: #1d4791;
$custom-light: #6c79b2;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4791",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 145
  },
  "hsl": {
    "h": 218.276,
    "s": 66.667,
    "l": 34.118
  },
  "oklch": {
    "l": 0.41291,
    "c": 0.13122,
    "h": 260.8
  },
  "luminance": 0.06812
}

Semantic roles & 50–950 ramp

primary

#1D4791

secondary

#BE954C

accent

#AC3EEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4791

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

Preview Lab → · Contrast checker → · Palette generator →