#1D286A#1D286A

#1D286A is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.2% C 0.115 H 270.9°. Best body text is #FFFFFF at 13.43:1 contrast (WCAG AA passes).

Color values

HEX	#1D286A
RGB	rgb(29, 40, 106)
HSL	hsl(231, 57%, 26%)
HSV	hsv(231, 73%, 42%)
CMYK	cmyk(72.6%, 62.3%, 0%, 58.4%)
CIE-LAB	lab(19.30, 19.78, -40.01)
CIE-LCH	lch(19.30, 44.64, 296.31°)
OKLab	oklab(31.2% 0.0019 -0.1153)
OKLCH	oklch(31.2% 0.115 270.9)
XYZ	xyz(3.8661, 2.8190, 13.9733)
Luminance	0.0282 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D286A #6A5F1D

analogous

#1D4F6A #1D286A #391D6A

triadic

#1D286A #6A1D28 #286A1D

tetradic

#1D286A #6A1D4F #6A5F1D #1D6A39

square

#1D286A #6A1D4F #6A5F1D #1D6A39

split-complementary

#1D286A #6A391D #4F6A1D

monochromatic

#070918 #10163A #1D286A #2A3A9A #394DC9

Accessibility & contrast

On white

13.43

#1D286A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1D286A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D286A

13.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D286A	#FFFFFF	#000000	##FFFFFF
##1D286A	1.00	13.43	1.56	13.43
#FFFFFF	13.43	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00326C

Deuteranopia (green-blind)

#002B69

Tritanopia (blue-blind)

#003844

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d286a;
/* rgb */ color: rgb(29, 40, 106);
/* oklch */ color: oklch(31.2% 0.115 270.9);

Tailwind

colors: {
  custom: {
    50: '#646195',
    500: '#1d286a',
    950: '#000000',
  },
}

SCSS

$custom: #1d286a;
$custom-light: #646195;
$custom-dark: #000000;

JSON

{
  "hex": "#1d286a",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 106
  },
  "hsl": {
    "h": 231.429,
    "s": 57.037,
    "l": 26.471
  },
  "oklch": {
    "l": 0.31204,
    "c": 0.11534,
    "h": 270.9
  },
  "luminance": 0.02819
}

Semantic roles & 50–950 ramp

primary

#1D286A

secondary

#9F9244

accent

#CA48E0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1D286A

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

Preview Lab → · Contrast checker → · Palette generator →