#1A109D#1A109D

#1A109D is a dark, highly saturated blue. Relative luminance 0.030; OKLCH L 33.4% C 0.205 H 269.9°. Best body text is #FFFFFF at 13.08:1 contrast (WCAG AA passes).

Color values

HEX	#1A109D
RGB	rgb(26, 16, 157)
HSL	hsl(244, 82%, 34%)
HSV	hsv(244, 90%, 62%)
CMYK	cmyk(83.4%, 89.8%, 0%, 38.4%)
CIE-LAB	lab(20.14, 50.72, -70.83)
CIE-LCH	lch(20.14, 87.12, 305.61°)
OKLab	oklab(33.43% -0.0003 -0.2048)
OKLCH	oklch(33.43% 0.205 269.9)
XYZ	xyz(6.6950, 3.0237, 32.1225)
Luminance	0.0302 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A109D #939D10

analogous

#104D9D #1A109D #61109D

triadic

#1A109D #9D1A10 #109D1A

tetradic

#1A109D #9D104D #939D10 #109D61

square

#1A109D #9D104D #939D10 #109D61

split-complementary

#1A109D #9D6110 #4D9D10

monochromatic

#08052E #110A65 #1A109D #2316D5 #493CEB

Accessibility & contrast

On white

13.08

#1A109D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1A109D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A109D

13.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A109D	#FFFFFF	#000000	##FFFFFF
##1A109D	1.00	13.08	1.61	13.08
#FFFFFF	13.08	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0037A1

Deuteranopia (green-blind)

#00299B

Tritanopia (blue-blind)

#00425C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1a109d;
/* rgb */ color: rgb(26, 16, 157);
/* oklch */ color: oklch(33.4% 0.205 269.9);

Tailwind

colors: {
  custom: {
    50: '#7356bb',
    500: '#1a109d',
    950: '#000000',
  },
}

SCSS

$custom: #1a109d;
$custom-light: #7356bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1a109d",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 157
  },
  "hsl": {
    "h": 244.255,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33429,
    "c": 0.20484,
    "h": 269.9
  },
  "luminance": 0.03025
}

Semantic roles & 50–950 ramp

primary

#1A109D

secondary

#C0CA3E

accent

#F830EA

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #1A109D

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

Preview Lab → · Contrast checker → · Palette generator →