#1D4790#1D4790

#1D4790 is a dark, vivid blue. Relative luminance 0.068; OKLCH L 41.2% C 0.130 H 260.6°. Best body text is #FFFFFF at 8.91:1 contrast (WCAG AA passes).

Color values

HEX	#1D4790
RGB	rgb(29, 71, 144)
HSL	hsl(218, 66%, 34%)
HSV	hsv(218, 80%, 56%)
CMYK	cmyk(79.9%, 50.7%, 0%, 43.5%)
CIE-LAB	lab(31.30, 13.32, -44.53)
CIE-LCH	lch(31.30, 46.48, 286.66°)
OKLab	oklab(41.21% -0.0212 -0.1281)
OKLCH	oklch(41.21% 0.13 260.6)
XYZ	xyz(7.7922, 6.7804, 27.2782)
Luminance	0.0678 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4790 #90661D

analogous

#1D8190 #1D4790 #2D1D90

triadic

#1D4790 #901D47 #47901D

tetradic

#1D4790 #901D81 #90661D #1D902D

square

#1D4790 #901D81 #90661D #1D902D

split-complementary

#1D4790 #902D1D #81901D

monochromatic

#08152A #132E5D #1D4790 #2760C3 #4C80DB

Accessibility & contrast

On white

8.91

#1D4790 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.36

#1D4790 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4790

8.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4790	#FFFFFF	#000000	##FFFFFF
##1D4790	1.00	8.91	2.36	8.91
#FFFFFF	8.91	1.00	21.00	1.00
#000000	2.36	21.00	1.00	21.00
##FFFFFF	8.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1B4F93

Deuteranopia (green-blind)

#00458F

Tritanopia (blue-blind)

#005964

Achromatopsia (no color)

#4A4A4A

Design tokens & code

CSS

--color: #1d4790;
/* rgb */ color: rgb(29, 71, 144);
/* oklch */ color: oklch(41.2% 0.130 260.6);

Tailwind

colors: {
  custom: {
    50: '#6c79b1',
    500: '#1d4790',
    950: '#000000',
  },
}

SCSS

$custom: #1d4790;
$custom-light: #6c79b1;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4790",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 144
  },
  "hsl": {
    "h": 218.087,
    "s": 66.474,
    "l": 33.922
  },
  "oklch": {
    "l": 0.41214,
    "c": 0.1298,
    "h": 260.6
  },
  "luminance": 0.06781
}

Semantic roles & 50–950 ramp

primary

#1D4790

secondary

#BD944B

accent

#AB3EE9

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4790

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

Preview Lab → · Contrast checker → · Palette generator →