#1A105A#1A105A

#1A105A is a very dark, vivid blue. Relative luminance 0.013; OKLCH L 25.0% C 0.123 H 278.7°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#1A105A
RGB	rgb(26, 16, 90)
HSL	hsl(248, 70%, 21%)
HSV	hsv(248, 82%, 35%)
CMYK	cmyk(71.1%, 82.2%, 0%, 64.7%)
CIE-LAB	lab(11.47, 29.41, -42.26)
CIE-LCH	lch(11.47, 51.49, 304.84°)
OKLab	oklab(24.98% 0.0187 -0.122)
OKLCH	oklch(24.98% 0.123 278.7)
XYZ	xyz(2.4562, 1.3282, 9.7978)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A105A #505A10

analogous

#102B5A #1A105A #3F105A

triadic

#1A105A #5A1A10 #105A1A

tetradic

#1A105A #5A102B #505A10 #105A3F

square

#1A105A #5A102B #505A10 #105A3F

split-complementary

#1A105A #5A3F10 #2B5A10

monochromatic

#08051A #0B0726 #1A105A #29198E #3822C2

Accessibility & contrast

On white

16.59

#1A105A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1A105A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A105A

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A105A	#FFFFFF	#000000	##FFFFFF
##1A105A	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00215C

Deuteranopia (green-blind)

#001B59

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #1a105a;
/* rgb */ color: rgb(26, 16, 90);
/* oklch */ color: oklch(25.0% 0.123 278.7);

Tailwind

colors: {
  custom: {
    50: '#61508a',
    500: '#1a105a',
    950: '#000000',
  },
}

SCSS

$custom: #1a105a;
$custom-light: #61508a;
$custom-dark: #000000;

JSON

{
  "hex": "#1a105a",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 248.108,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24976,
    "c": 0.12346,
    "h": 278.7
  },
  "luminance": 0.01328
}

Semantic roles & 50–950 ramp

primary

#1A105A

secondary

#869333

accent

#ED3BD5

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1A105A

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

Preview Lab → · Contrast checker → · Palette generator →