#1D368D#1D368D

#1D368D is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.3% C 0.147 H 266.6°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#1D368D
RGB	rgb(29, 54, 141)
HSL	hsl(227, 66%, 33%)
HSV	hsv(227, 79%, 55%)
CMYK	cmyk(79.4%, 61.7%, 0%, 44.7%)
CIE-LAB	lab(26.22, 23.86, -50.93)
CIE-LCH	lch(26.22, 56.24, 295.10°)
OKLab	oklab(37.3% -0.0086 -0.1472)
OKLCH	oklch(37.3% 0.147 266.6)
XYZ	xyz(6.6319, 4.8219, 25.7753)
Luminance	0.0482 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D368D #8D741D

analogous

#1D6E8D #1D368D #3C1D8D

triadic

#1D368D #8D1D36 #368D1D

tetradic

#1D368D #8D1D6E #8D741D #1D8D3C

square

#1D368D #8D1D6E #8D741D #1D8D3C

split-complementary

#1D368D #8D3C1D #6E8D1D

monochromatic

#080F27 #13235A #1D368D #2749C0 #4B6BDA

Accessibility & contrast

On white

10.69

#1D368D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1D368D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D368D

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D368D	#FFFFFF	#000000	##FFFFFF
##1D368D	1.00	10.69	1.96	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004390

Deuteranopia (green-blind)

#00398B

Tritanopia (blue-blind)

#004C5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d368d;
/* rgb */ color: rgb(29, 54, 141);
/* oklch */ color: oklch(37.3% 0.147 266.6);

Tailwind

colors: {
  custom: {
    50: '#6c6caf',
    500: '#1d368d',
    950: '#000000',
  },
}

SCSS

$custom: #1d368d;
$custom-light: #6c6caf;
$custom-dark: #000000;

JSON

{
  "hex": "#1d368d",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 141
  },
  "hsl": {
    "h": 226.607,
    "s": 65.882,
    "l": 33.333
  },
  "oklch": {
    "l": 0.373,
    "c": 0.14743,
    "h": 266.6
  },
  "luminance": 0.04823
}

Semantic roles & 50–950 ramp

primary

#1D368D

secondary

#BCA34A

accent

#C33FE9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1D368D

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

Preview Lab → · Contrast checker → · Palette generator →