#1D368C#1D368C

#1D368C is a dark, vivid blue. Relative luminance 0.048; OKLCH L 37.2% C 0.146 H 266.6°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#1D368C
RGB	rgb(29, 54, 140)
HSL	hsl(226, 66%, 33%)
HSV	hsv(226, 79%, 55%)
CMYK	cmyk(79.3%, 61.4%, 0%, 45.1%)
CIE-LAB	lab(26.13, 23.46, -50.45)
CIE-LCH	lch(26.13, 55.64, 294.94°)
OKLab	oklab(37.21% -0.0086 -0.1458)
OKLCH	oklch(37.21% 0.146 266.6)
XYZ	xyz(6.5578, 4.7923, 25.3852)
Luminance	0.0479 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D368C #8C731D

analogous

#1D6D8C #1D368C #3B1D8C

triadic

#1D368C #8C1D36 #368C1D

tetradic

#1D368C #8C1D6D #8C731D #1D8C3B

square

#1D368C #8C1D6D #8C731D #1D8C3B

split-complementary

#1D368C #8C3B1D #6D8C1D

monochromatic

#080F27 #122259 #1D368C #284ABF #4A6AD9

Accessibility & contrast

On white

10.72

#1D368C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#1D368C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D368C

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D368C	#FFFFFF	#000000	##FFFFFF
##1D368C	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438F

Deuteranopia (green-blind)

#00398A

Tritanopia (blue-blind)

#004C5B

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #1d368c;
/* rgb */ color: rgb(29, 54, 140);
/* oklch */ color: oklch(37.2% 0.146 266.6);

Tailwind

colors: {
  custom: {
    50: '#6c6cae',
    500: '#1d368c',
    950: '#000000',
  },
}

SCSS

$custom: #1d368c;
$custom-light: #6c6cae;
$custom-dark: #000000;

JSON

{
  "hex": "#1d368c",
  "rgb": {
    "r": 29,
    "g": 54,
    "b": 140
  },
  "hsl": {
    "h": 226.486,
    "s": 65.68,
    "l": 33.137
  },
  "oklch": {
    "l": 0.37209,
    "c": 0.14604,
    "h": 266.6
  },
  "luminance": 0.04793
}

Semantic roles & 50–950 ramp

primary

#1D368C

secondary

#BCA249

accent

#C23FE9

background

#F7F6FA

surface

#EDEBF4

border

#C8C6CE

text

#080710

muted

#7B7A7F

Preview Lab

Preview with #1D368C

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

Preview Lab → · Contrast checker → · Palette generator →