#1D4798#1D4798

#1D4798 is a dark, vivid blue. Relative luminance 0.070; OKLCH L 41.8% C 0.141 H 261.8°. Best body text is #FFFFFF at 8.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D4798
RGB	rgb(29, 71, 152)
HSL	hsl(220, 68%, 35%)
HSV	hsv(220, 81%, 60%)
CMYK	cmyk(80.9%, 53.3%, 0%, 40.4%)
CIE-LAB	lab(31.88, 16.55, -48.47)
CIE-LCH	lch(31.88, 51.21, 288.85°)
OKLab	oklab(41.84% -0.0201 -0.1396)
OKLCH	oklch(41.84% 0.141 261.8)
XYZ	xyz(8.4254, 7.0337, 30.6133)
Luminance	0.0703 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4798 #986E1D

analogous

#1D8498 #1D4798 #301D98

triadic

#1D4798 #981D47 #47981D

tetradic

#1D4798 #981D84 #986E1D #1D9830

square

#1D4798 #981D84 #986E1D #1D9830

split-complementary

#1D4798 #98301D #84981D

monochromatic

#091731 #132F65 #1D4798 #275FCB #5281DE

Accessibility & contrast

On white

8.72

#1D4798 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.41

#1D4798 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4798

8.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4798	#FFFFFF	#000000	##FFFFFF
##1D4798	1.00	8.72	2.41	8.72
#FFFFFF	8.72	1.00	21.00	1.00
#000000	2.41	21.00	1.00	21.00
##FFFFFF	8.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0D519B

Deuteranopia (green-blind)

#004696

Tritanopia (blue-blind)

#005B68

Achromatopsia (no color)

#4B4B4B

Design tokens & code

CSS

--color: #1d4798;
/* rgb */ color: rgb(29, 71, 152);
/* oklch */ color: oklch(41.8% 0.141 261.8);

Tailwind

colors: {
  custom: {
    50: '#6e79b7',
    500: '#1d4798',
    950: '#000000',
  },
}

SCSS

$custom: #1d4798;
$custom-light: #6e79b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4798",
  "rgb": {
    "r": 29,
    "g": 71,
    "b": 152
  },
  "hsl": {
    "h": 219.512,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.41843,
    "c": 0.14109,
    "h": 261.8
  },
  "luminance": 0.07035
}

Semantic roles & 50–950 ramp

primary

#1D4798

secondary

#C19A50

accent

#AF3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080911

muted

#7B7B80

Preview Lab

Preview with #1D4798

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

Preview Lab → · Contrast checker → · Palette generator →