#1D368E#1D368E

#1D368E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.4% C 0.149 H 266.7°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#1D368E
RGB	rgb(29, 54, 142)
HSL	hsl(227, 66%, 34%)
HSV	hsv(227, 80%, 56%)
CMYK	cmyk(79.6%, 62%, 0%, 44.3%)
CIE-LAB	lab(26.31, 24.25, -51.40)
CIE-LCH	lch(26.31, 56.84, 295.26°)
OKLab	oklab(37.39% -0.0086 -0.1486)
OKLCH	oklch(37.39% 0.149 266.7)
XYZ	xyz(6.7066, 4.8518, 26.1690)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D368E #8E751D

analogous

#1D6E8E #1D368E #3C1D8E

triadic

#1D368E #8E1D36 #368E1D

tetradic

#1D368E #8E1D6E #8E751D #1D8E3C

square

#1D368E #8E1D6E #8E751D #1D8E3C

split-complementary

#1D368E #8E3C1D #6E8E1D

monochromatic

#080F28 #13235B #1D368E #2749C1 #4B6BDA

Accessibility & contrast

On white

10.66

#1D368E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#1D368E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D368E

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D368E	#FFFFFF	#000000	##FFFFFF
##1D368E	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004491

Deuteranopia (green-blind)

#00398C

Tritanopia (blue-blind)

#004D5C

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d368e;
/* rgb */ color: rgb(29, 54, 142);
/* oklch */ color: oklch(37.4% 0.149 266.7);

Tailwind

colors: {
  custom: {
    50: '#6c6cb0',
    500: '#1d368e',
    950: '#000000',
  },
}

SCSS

$custom: #1d368e;
$custom-light: #6c6cb0;
$custom-dark: #000000;

JSON

{
  "hex": "#1d368e",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 142
  },
  "hsl": {
    "h": 226.726,
    "s": 66.082,
    "l": 33.529
  },
  "oklch": {
    "l": 0.37392,
    "c": 0.14883,
    "h": 266.7
  },
  "luminance": 0.04853
}

Semantic roles & 50–950 ramp

primary

#1D368E

secondary

#BDA34A

accent

#C33FE9

background

#F7F6FA

surface

#EDEBF5

border

#C8C6CF

text

#080711

muted

#7B7A80

Preview Lab

Preview with #1D368E

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

Preview Lab → · Contrast checker → · Palette generator →