#1D4398#1D4398

#1D4398 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 41.0% C 0.146 H 263.3°. Best body text is #FFFFFF at 9.10:1 contrast (WCAG AA passes).

Color values

HEX	#1D4398
RGB	rgb(29, 67, 152)
HSL	hsl(221, 68%, 35%)
HSV	hsv(221, 81%, 60%)
CMYK	cmyk(80.9%, 55.9%, 0%, 40.4%)
CIE-LAB	lab(30.74, 19.28, -50.32)
CIE-LCH	lch(30.74, 53.89, 290.97°)
OKLab	oklab(40.98% -0.0172 -0.1452)
OKLCH	oklch(40.98% 0.146 263.3)
XYZ	xyz(8.1793, 6.5416, 30.5312)
Luminance	0.0654 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4398 #98721D

analogous

#1D8198 #1D4398 #341D98

triadic

#1D4398 #981D43 #43981D

tetradic

#1D4398 #981D81 #98721D #1D9834

square

#1D4398 #981D81 #98721D #1D9834

split-complementary

#1D4398 #98341D #81981D

monochromatic

#091631 #132C65 #1D4398 #275ACB #527DDE

Accessibility & contrast

On white

9.10

#1D4398 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.31

#1D4398 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4398

9.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4398	#FFFFFF	#000000	##FFFFFF
##1D4398	1.00	9.10	2.31	9.10
#FFFFFF	9.10	1.00	21.00	1.00
#000000	2.31	21.00	1.00	21.00
##FFFFFF	9.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E9B

Deuteranopia (green-blind)

#004396

Tritanopia (blue-blind)

#005867

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4398;
/* rgb */ color: rgb(29, 67, 152);
/* oklch */ color: oklch(41.0% 0.146 263.3);

Tailwind

colors: {
  custom: {
    50: '#6e76b7',
    500: '#1d4398',
    950: '#000000',
  },
}

SCSS

$custom: #1d4398;
$custom-light: #6e76b7;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4398",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 152
  },
  "hsl": {
    "h": 221.463,
    "s": 67.956,
    "l": 35.49
  },
  "oklch": {
    "l": 0.40975,
    "c": 0.1462,
    "h": 263.3
  },
  "luminance": 0.06543
}

Semantic roles & 50–950 ramp

primary

#1D4398

secondary

#C19E50

accent

#B53DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4398

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

Preview Lab → · Contrast checker → · Palette generator →