#1D4199#1D4199

#1D4199 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 40.6% C 0.150 H 264.0°. Best body text is #FFFFFF at 9.26:1 contrast (WCAG AA passes).

Color values

HEX	#1D4199
RGB	rgb(29, 65, 153)
HSL	hsl(223, 68%, 36%)
HSV	hsv(223, 81%, 60%)
CMYK	cmyk(81%, 57.5%, 0%, 40%)
CIE-LAB	lab(30.26, 21.05, -51.71)
CIE-LCH	lch(30.26, 55.84, 292.15°)
OKLab	oklab(40.64% -0.0157 -0.1493)
OKLCH	oklch(40.64% 0.15 264)
XYZ	xyz(8.1447, 6.3408, 30.9254)
Luminance	0.0634 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4199 #99751D

analogous

#1D7F99 #1D4199 #371D99

triadic

#1D4199 #991D41 #41991D

tetradic

#1D4199 #991D7F #99751D #1D9937

square

#1D4199 #991D7F #99751D #1D9937

split-complementary

#1D4199 #99371D #7F991D

monochromatic

#091532 #132B66 #1D4199 #2757CC #527BDE

Accessibility & contrast

On white

9.26

#1D4199 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.27

#1D4199 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4199

9.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4199	#FFFFFF	#000000	##FFFFFF
##1D4199	1.00	9.26	2.27	9.26
#FFFFFF	9.26	1.00	21.00	1.00
#000000	2.27	21.00	1.00	21.00
##FFFFFF	9.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9C

Deuteranopia (green-blind)

#004297

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d4199;
/* rgb */ color: rgb(29, 65, 153);
/* oklch */ color: oklch(40.6% 0.150 264.0);

Tailwind

colors: {
  custom: {
    50: '#6e75b8',
    500: '#1d4199',
    950: '#000000',
  },
}

SCSS

$custom: #1d4199;
$custom-light: #6e75b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4199",
  "rgb": {
    "r": 29,
    "g": 65,
    "b": 153
  },
  "hsl": {
    "h": 222.581,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40636,
    "c": 0.15014,
    "h": 264
  },
  "luminance": 0.06342
}

Semantic roles & 50–950 ramp

primary

#1D4199

secondary

#C1A151

accent

#B83DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4199

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

Preview Lab → · Contrast checker → · Palette generator →