#1D4298#1D4298

#1D4298 is a dark, vivid blue. Relative luminance 0.064; OKLCH L 40.8% C 0.147 H 263.6°. Best body text is #FFFFFF at 9.19:1 contrast (WCAG AA passes).

Color values

HEX	#1D4298
RGB	rgb(29, 66, 152)
HSL	hsl(222, 68%, 35%)
HSV	hsv(222, 81%, 60%)
CMYK	cmyk(80.9%, 56.6%, 0%, 40.4%)
CIE-LAB	lab(30.46, 19.97, -50.78)
CIE-LCH	lch(30.46, 54.56, 291.47°)
OKLab	oklab(40.76% -0.0164 -0.1466)
OKLCH	oklch(40.76% 0.147 263.6)
XYZ	xyz(8.1204, 6.4237, 30.5116)
Luminance	0.0643 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4298 #98731D

analogous

#1D7F98 #1D4298 #351D98

triadic

#1D4298 #981D42 #42981D

tetradic

#1D4298 #981D7F #98731D #1D9835

square

#1D4298 #981D7F #98731D #1D9835

split-complementary

#1D4298 #98351D #7F981D

monochromatic

#091531 #132C65 #1D4298 #2758CB #527CDE

Accessibility & contrast

On white

9.19

#1D4298 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.29

#1D4298 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4298

9.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4298	#FFFFFF	#000000	##FFFFFF
##1D4298	1.00	9.19	2.29	9.19
#FFFFFF	9.19	1.00	21.00	1.00
#000000	2.29	21.00	1.00	21.00
##FFFFFF	9.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9B

Deuteranopia (green-blind)

#004296

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4298;
/* rgb */ color: rgb(29, 66, 152);
/* oklch */ color: oklch(40.8% 0.147 263.6);

Tailwind

colors: {
  custom: {
    50: '#6e75b7',
    500: '#1d4298',
    950: '#000000',
  },
}

SCSS

$custom: #1d4298;
$custom-light: #6e75b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4298",
  "rgb": {
    "r": 29,
    "g": 66,
    "b": 152
  },
  "hsl": {
    "h": 221.951,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40762,
    "c": 0.14747,
    "h": 263.6
  },
  "luminance": 0.06425
}

Semantic roles & 50–950 ramp

primary

#1D4298

secondary

#C19F50

accent

#B73DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4298

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

Preview Lab → · Contrast checker → · Palette generator →