#1D4396#1D4396

#1D4396 is a dark, vivid blue. Relative luminance 0.065; OKLCH L 40.8% C 0.143 H 263.1°. Best body text is #FFFFFF at 9.15:1 contrast (WCAG AA passes).

Color values

HEX	#1D4396
RGB	rgb(29, 67, 150)
HSL	hsl(221, 68%, 35%)
HSV	hsv(221, 81%, 59%)
CMYK	cmyk(80.7%, 55.3%, 0%, 41.2%)
CIE-LAB	lab(30.58, 18.48, -49.35)
CIE-LCH	lch(30.58, 52.70, 290.53°)
OKLab	oklab(40.81% -0.0173 -0.1423)
OKLCH	oklch(40.81% 0.143 263.1)
XYZ	xyz(8.0169, 6.4766, 29.6758)
Luminance	0.0648 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D4396 #96701D

analogous

#1D8096 #1D4396 #331D96

triadic

#1D4396 #961D43 #43961D

tetradic

#1D4396 #961D80 #96701D #1D9633

square

#1D4396 #961D80 #96701D #1D9633

split-complementary

#1D4396 #96331D #80961D

monochromatic

#09152F #132C63 #1D4396 #275AC9 #507CDD

Accessibility & contrast

On white

9.15

#1D4396 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.30

#1D4396 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D4396

9.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D4396	#FFFFFF	#000000	##FFFFFF
##1D4396	1.00	9.15	2.30	9.15
#FFFFFF	9.15	1.00	21.00	1.00
#000000	2.30	21.00	1.00	21.00
##FFFFFF	9.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004E99

Deuteranopia (green-blind)

#004394

Tritanopia (blue-blind)

#005766

Achromatopsia (no color)

#484848

Design tokens & code

CSS

--color: #1d4396;
/* rgb */ color: rgb(29, 67, 150);
/* oklch */ color: oklch(40.8% 0.143 263.1);

Tailwind

colors: {
  custom: {
    50: '#6e76b6',
    500: '#1d4396',
    950: '#000000',
  },
}

SCSS

$custom: #1d4396;
$custom-light: #6e76b6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d4396",
  "rgb": {
    "r": 29,
    "g": 67,
    "b": 150
  },
  "hsl": {
    "h": 221.157,
    "s": 67.598,
    "l": 35.098
  },
  "oklch": {
    "l": 0.40809,
    "c": 0.1434,
    "h": 263.1
  },
  "luminance": 0.06478
}

Semantic roles & 50–950 ramp

primary

#1D4396

secondary

#C09C4F

accent

#B43DEA

background

#F7F7FB

surface

#EDEDF6

border

#C8C8D0

text

#080811

muted

#7B7B80

Preview Lab

Preview with #1D4396

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

Preview Lab → · Contrast checker → · Palette generator →