#1D2C80#1D2C80

#1D2C80 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.1% C 0.142 H 269.3°. Best body text is #FFFFFF at 12.18:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C80
RGB	rgb(29, 44, 128)
HSL	hsl(231, 63%, 31%)
HSV	hsv(231, 77%, 50%)
CMYK	cmyk(77.3%, 65.6%, 0%, 49.8%)
CIE-LAB	lab(22.37, 25.64, -49.09)
CIE-LCH	lch(22.37, 55.38, 297.58°)
OKLab	oklab(34.09% -0.0017 -0.1419)
OKLCH	oklch(34.09% 0.142 269.3)
XYZ	xyz(5.3023, 3.6205, 20.8373)
Luminance	0.0362 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C80 #80711D

analogous

#1D5D80 #1D2C80 #3F1D80

triadic

#1D2C80 #801D2C #2C801D

tetradic

#1D2C80 #801D5D #80711D #1D803F

square

#1D2C80 #801D5D #80711D #1D803F

split-complementary

#1D2C80 #803F1D #5D801D

monochromatic

#060A1C #121B4E #1D2C80 #283DB2 #4359D4

Accessibility & contrast

On white

12.18

#1D2C80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1D2C80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C80

12.18:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C80	#FFFFFF	#000000	##FFFFFF
##1D2C80	1.00	12.18	1.72	12.18
#FFFFFF	12.18	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.18	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A83

Deuteranopia (green-blind)

#00317E

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2c80;
/* rgb */ color: rgb(29, 44, 128);
/* oklch */ color: oklch(34.1% 0.142 269.3);

Tailwind

colors: {
  custom: {
    50: '#6a65a6',
    500: '#1d2c80',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c80;
$custom-light: #6a65a6;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c80",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 128
  },
  "hsl": {
    "h": 230.909,
    "s": 63.057,
    "l": 30.784
  },
  "oklch": {
    "l": 0.34091,
    "c": 0.14193,
    "h": 269.3
  },
  "luminance": 0.03621
}

Semantic roles & 50–950 ramp

primary

#1D2C80

secondary

#B3A345

accent

#CD42E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1D2C80

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

Preview Lab → · Contrast checker → · Palette generator →