#1D2C7F#1D2C7F

#1D2C7F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 34.0% C 0.141 H 269.3°. Best body text is #FFFFFF at 12.22:1 contrast (WCAG AA passes).

Color values

HEX	#1D2C7F
RGB	rgb(29, 44, 127)
HSL	hsl(231, 63%, 31%)
HSV	hsv(231, 77%, 50%)
CMYK	cmyk(77.2%, 65.4%, 0%, 50.2%)
CIE-LAB	lab(22.28, 25.25, -48.61)
CIE-LCH	lch(22.28, 54.78, 297.45°)
OKLab	oklab(33.99% -0.0017 -0.1405)
OKLCH	oklch(33.99% 0.141 269.3)
XYZ	xyz(5.2368, 3.5943, 20.4923)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D2C7F #7F701D

analogous

#1D5D7F #1D2C7F #3F1D7F

triadic

#1D2C7F #7F1D2C #2C7F1D

tetradic

#1D2C7F #7F1D5D #7F701D #1D7F3F

square

#1D2C7F #7F1D5D #7F701D #1D7F3F

split-complementary

#1D2C7F #7F3F1D #5D7F1D

monochromatic

#06091B #121B4D #1D2C7F #283DB1 #4259D4

Accessibility & contrast

On white

12.22

#1D2C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1D2C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D2C7F

12.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D2C7F	#FFFFFF	#000000	##FFFFFF
##1D2C7F	1.00	12.22	1.72	12.22
#FFFFFF	12.22	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003A82

Deuteranopia (green-blind)

#00317D

Tritanopia (blue-blind)

#004251

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1d2c7f;
/* rgb */ color: rgb(29, 44, 127);
/* oklch */ color: oklch(34.0% 0.141 269.3);

Tailwind

colors: {
  custom: {
    50: '#6965a5',
    500: '#1d2c7f',
    950: '#000000',
  },
}

SCSS

$custom: #1d2c7f;
$custom-light: #6965a5;
$custom-dark: #000000;

JSON

{
  "hex": "#1d2c7f",
  "rgb": {
    "r": 29,
    "g": 44,
    "b": 127
  },
  "hsl": {
    "h": 230.816,
    "s": 62.821,
    "l": 30.588
  },
  "oklch": {
    "l": 0.33994,
    "c": 0.14053,
    "h": 269.3
  },
  "luminance": 0.03595
}

Semantic roles & 50–950 ramp

primary

#1D2C7F

secondary

#B2A245

accent

#CD42E6

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#07050F

muted

#7A7A7F

Preview Lab

Preview with #1D2C7F

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

Preview Lab → · Contrast checker → · Palette generator →