#1D286B#1D286B

#1D286B is a dark, moderate blue. Relative luminance 0.028; OKLCH L 31.3% C 0.117 H 270.9°. Best body text is #FFFFFF at 13.39:1 contrast (WCAG AA passes).

Color values

HEX	#1D286B
RGB	rgb(29, 40, 107)
HSL	hsl(232, 57%, 27%)
HSV	hsv(232, 73%, 42%)
CMYK	cmyk(72.9%, 62.6%, 0%, 58%)
CIE-LAB	lab(19.39, 20.18, -40.52)
CIE-LCH	lch(19.39, 45.27, 296.47°)
OKLab	oklab(31.3% 0.0019 -0.1168)
OKLCH	oklch(31.3% 0.117 270.9)
XYZ	xyz(3.9184, 2.8400, 14.2487)
Luminance	0.0284 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D286B #6B601D

analogous

#1D4F6B #1D286B #391D6B

triadic

#1D286B #6B1D28 #286B1D

tetradic

#1D286B #6B1D4F #6B601D #1D6B39

square

#1D286B #6B1D4F #6B601D #1D6B39

split-complementary

#1D286B #6B391D #4F6B1D

monochromatic

#070918 #10163B #1D286B #2A3A9B #394DC9

Accessibility & contrast

On white

13.39

#1D286B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1D286B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D286B

13.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D286B	#FFFFFF	#000000	##FFFFFF
##1D286B	1.00	13.39	1.57	13.39
#FFFFFF	13.39	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00336D

Deuteranopia (green-blind)

#002C6A

Tritanopia (blue-blind)

#003945

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1d286b;
/* rgb */ color: rgb(29, 40, 107);
/* oklch */ color: oklch(31.3% 0.117 270.9);

Tailwind

colors: {
  custom: {
    50: '#656196',
    500: '#1d286b',
    950: '#000000',
  },
}

SCSS

$custom: #1d286b;
$custom-light: #656196;
$custom-dark: #000000;

JSON

{
  "hex": "#1d286b",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 107
  },
  "hsl": {
    "h": 231.538,
    "s": 57.353,
    "l": 26.667
  },
  "oklch": {
    "l": 0.31296,
    "c": 0.11683,
    "h": 270.9
  },
  "luminance": 0.0284
}

Semantic roles & 50–950 ramp

primary

#1D286B

secondary

#A09344

accent

#CB47E1

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050D

muted

#7A797E

Preview Lab

Preview with #1D286B

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

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