#1D286F#1D286F

#1D286F is a dark, vivid blue. Relative luminance 0.029; OKLCH L 31.7% C 0.123 H 270.8°. Best body text is #FFFFFF at 13.25:1 contrast (WCAG AA passes).

Color values

HEX	#1D286F
RGB	rgb(29, 40, 111)
HSL	hsl(232, 59%, 27%)
HSV	hsv(232, 74%, 44%)
CMYK	cmyk(73.9%, 64%, 0%, 56.5%)
CIE-LAB	lab(19.75, 21.76, -42.53)
CIE-LCH	lch(19.75, 47.78, 297.09°)
OKLab	oklab(31.67% 0.0018 -0.1227)
OKLCH	oklch(31.67% 0.123 270.8)
XYZ	xyz(4.1338, 2.9261, 15.3828)
Luminance	0.0293 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1D286F #6F641D

analogous

#1D516F #1D286F #3B1D6F

triadic

#1D286F #6F1D28 #286F1D

tetradic

#1D286F #6F1D51 #6F641D #1D6F3B

square

#1D286F #6F1D51 #6F641D #1D6F3B

split-complementary

#1D286F #6F3B1D #516F1D

monochromatic

#060918 #10173E #1D286F #2A39A0 #3B4ECC

Accessibility & contrast

On white

13.25

#1D286F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.59

#1D286F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1D286F

13.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1D286F	#FFFFFF	#000000	##FFFFFF
##1D286F	1.00	13.25	1.59	13.25
#FFFFFF	13.25	1.00	21.00	1.00
#000000	1.59	21.00	1.00	21.00
##FFFFFF	13.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003471

Deuteranopia (green-blind)

#002C6E

Tritanopia (blue-blind)

#003A47

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1d286f;
/* rgb */ color: rgb(29, 40, 111);
/* oklch */ color: oklch(31.7% 0.123 270.8);

Tailwind

colors: {
  custom: {
    50: '#666199',
    500: '#1d286f',
    950: '#000000',
  },
}

SCSS

$custom: #1d286f;
$custom-light: #666199;
$custom-dark: #000000;

JSON

{
  "hex": "#1d286f",
  "rgb": {
    "r": 29,
    "g": 40,
    "b": 111
  },
  "hsl": {
    "h": 231.951,
    "s": 58.571,
    "l": 27.451
  },
  "oklch": {
    "l": 0.31669,
    "c": 0.12275,
    "h": 270.8
  },
  "luminance": 0.02926
}

Semantic roles & 50–950 ramp

primary

#1D286F

secondary

#A39744

accent

#CD46E2

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06050E

muted

#7A797E

Preview Lab

Preview with #1D286F

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

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