#1D4099#1D4099

#1D4099 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.151 H 264.3°. Best body text is #FFFFFF at 9.35:1 contrast (WCAG AA passes).

Color values

HEX	#1D4099
RGB	rgb(29, 64, 153)
HSL	hsl(223, 68%, 36%)
HSV	hsv(223, 81%, 60%)
CMYK	cmyk(81%, 58.2%, 0%, 40%)
CIE-LAB	lab(29.98, 21.74, -52.17)
CIE-LCH	lch(29.98, 56.52, 292.62°)
OKLab	oklab(40.43% -0.015 -0.1507)
OKLCH	oklch(40.43% 0.151 264.3)
XYZ	xyz(8.0878, 6.2270, 30.9065)
Luminance	0.0623 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4099 #99761D

analogous

#1D7E99 #1D4099 #381D99

triadic

#1D4099 #991D40 #40991D

tetradic

#1D4099 #991D7E #99761D #1D9938

square

#1D4099 #991D7E #99761D #1D9938

split-complementary

#1D4099 #99381D #7E991D

monochromatic

#091532 #132A66 #1D4099 #2756CC #527ADE

Accessibility & contrast

On white

9.35

#1D4099 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#1D4099 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4099

9.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4099	#FFFFFF	#000000	##FFFFFF
##1D4099	1.00	9.35	2.25	9.35
#FFFFFF	9.35	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004D9C

Deuteranopia (green-blind)

#004197

Tritanopia (blue-blind)

#005666

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #1d4099;
/* rgb */ color: rgb(29, 64, 153);
/* oklch */ color: oklch(40.4% 0.151 264.3);

Tailwind

colors: {
  custom: {
    50: '#6f74b8',
    500: '#1d4099',
    950: '#000000',
  },
}

SCSS

$custom: #1d4099;
$custom-light: #6f74b8;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4099",
  "rgb": {
    "r": 29,
    "g": 64,
    "b": 153
  },
  "hsl": {
    "h": 223.065,
    "s": 68.132,
    "l": 35.686
  },
  "oklch": {
    "l": 0.40426,
    "c": 0.15141,
    "h": 264.3
  },
  "luminance": 0.06228
}

Semantic roles & 50–950 ramp

primary

#1D4099

secondary

#C1A151

accent

#BA3DEB

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4099

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

Preview Lab → · Contrast checker → · Palette generator →