#1A1DA0#1A1DA0

#1A1DA0 is a dark, vivid blue. Relative luminance 0.036; OKLCH L 35.1% C 0.199 H 269.2°. Best body text is #FFFFFF at 12.16:1 contrast (WCAG AA passes).

Color values

HEX	#1A1DA0
RGB	rgb(26, 29, 160)
HSL	hsl(239, 72%, 36%)
HSV	hsv(239, 84%, 63%)
CMYK	cmyk(83.8%, 81.9%, 0%, 37.3%)
CIE-LAB	lab(22.43, 46.01, -68.86)
CIE-LCH	lch(22.43, 82.81, 303.75°)
OKLab	oklab(35.12% -0.0028 -0.1994)
OKLCH	oklch(35.12% 0.199 269.2)
XYZ	xyz(7.2084, 3.6355, 33.5727)
Luminance	0.0364 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A1DA0 #A09D1A

analogous

#1A60A0 #1A1DA0 #5A1AA0

triadic

#1A1DA0 #A01A1D #1DA01A

tetradic

#1A1DA0 #A01A60 #A09D1A #1AA05A

square

#1A1DA0 #A01A60 #A09D1A #1AA05A

split-complementary

#1A1DA0 #A05A1A #60A01A

monochromatic

#090A37 #11136B #1A1DA0 #2327D5 #5255E3

Accessibility & contrast

On white

12.16

#1A1DA0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.73

#1A1DA0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A1DA0

12.16:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A1DA0	#FFFFFF	#000000	##FFFFFF
##1A1DA0	1.00	12.16	1.73	12.16
#FFFFFF	12.16	1.00	21.00	1.00
#000000	1.73	21.00	1.00	21.00
##FFFFFF	12.16	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003CA4

Deuteranopia (green-blind)

#002E9E

Tritanopia (blue-blind)

#00475F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #1a1da0;
/* rgb */ color: rgb(26, 29, 160);
/* oklch */ color: oklch(35.1% 0.199 269.2);

Tailwind

colors: {
  custom: {
    50: '#735cbe',
    500: '#1a1da0',
    950: '#000000',
  },
}

SCSS

$custom: #1a1da0;
$custom-light: #735cbe;
$custom-dark: #000000;

JSON

{
  "hex": "#1a1da0",
  "rgb": {
    "r": 26,
    "g": 29,
    "b": 160
  },
  "hsl": {
    "h": 238.657,
    "s": 72.043,
    "l": 36.471
  },
  "oklch": {
    "l": 0.35116,
    "c": 0.19944,
    "h": 269.2
  },
  "luminance": 0.03636
}

Semantic roles & 50–950 ramp

primary

#1A1DA0

secondary

#C5C350

accent

#EB39EF

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0412

muted

#7C7981

Preview Lab

Preview with #1A1DA0

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

Preview Lab → · Contrast checker → · Palette generator →