#1A1D9F#1A1D9F

#1A1D9F is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.0% C 0.198 H 269.2°. Best body text is #FFFFFF at 12.21:1 contrast (WCAG AA passes).

Color values

HEX	#1A1D9F
RGB	rgb(26, 29, 159)
HSL	hsl(239, 72%, 36%)
HSV	hsv(239, 84%, 62%)
CMYK	cmyk(83.6%, 81.8%, 0%, 37.6%)
CIE-LAB	lab(22.30, 45.68, -68.45)
CIE-LCH	lch(22.30, 82.30, 303.71°)
OKLab	oklab(34.99% -0.0026 -0.1982)
OKLCH	oklch(34.99% 0.198 269.2)
XYZ	xyz(7.1212, 3.6007, 33.1138)
Luminance	0.0360 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1D9F #9F9C1A

analogous

#1A609F #1A1D9F #5A1A9F

triadic

#1A1D9F #9F1A1D #1D9F1A

tetradic

#1A1D9F #9F1A60 #9F9C1A #1A9F5A

square

#1A1D9F #9F1A60 #9F9C1A #1A9F5A

split-complementary

#1A1D9F #9F5A1A #609F1A

monochromatic

#090A36 #11136A #1A1D9F #2327D4 #5154E3

Accessibility & contrast

On white

12.21

#1A1D9F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.72

#1A1D9F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1D9F

12.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1D9F	#FFFFFF	#000000	##FFFFFF
##1A1D9F	1.00	12.21	1.72	12.21
#FFFFFF	12.21	1.00	21.00	1.00
#000000	1.72	21.00	1.00	21.00
##FFFFFF	12.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA3

Deuteranopia (green-blind)

#002E9D

Tritanopia (blue-blind)

#00465F

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #1a1d9f;
/* rgb */ color: rgb(26, 29, 159);
/* oklch */ color: oklch(35.0% 0.198 269.2);

Tailwind

colors: {
  custom: {
    50: '#735cbd',
    500: '#1a1d9f',
    950: '#000000',
  },
}

SCSS

$custom: #1a1d9f;
$custom-light: #735cbd;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1d9f",
  "rgb": {
    "r": 26,
    "g": 29,
    "b": 159
  },
  "hsl": {
    "h": 238.647,
    "s": 71.892,
    "l": 36.275
  },
  "oklch": {
    "l": 0.34995,
    "c": 0.19827,
    "h": 269.2
  },
  "luminance": 0.03602
}

Semantic roles & 50–950 ramp

primary

#1A1D9F

secondary

#C5C250

accent

#EB39EF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1A1D9F

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

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