#1A105D#1A105D

#1A105D is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.3% C 0.127 H 278.0°. Best body text is #FFFFFF at 16.46:1 contrast (WCAG AA passes).

Color values

HEX	#1A105D
RGB	rgb(26, 16, 93)
HSL	hsl(248, 71%, 21%)
HSV	hsv(248, 83%, 36%)
CMYK	cmyk(72%, 82.8%, 0%, 63.5%)
CIE-LAB	lab(11.83, 30.45, -43.69)
CIE-LCH	lch(11.83, 53.26, 304.88°)
OKLab	oklab(25.33% 0.0178 -0.1262)
OKLCH	oklch(25.33% 0.127 278)
XYZ	xyz(2.5864, 1.3803, 10.4839)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A105D #535D10

analogous

#102D5D #1A105D #41105D

triadic

#1A105D #5D1A10 #105D1A

tetradic

#1A105D #5D102D #535D10 #105D41

square

#1A105D #5D102D #535D10 #105D41

split-complementary

#1A105D #5D4110 #2D5D10

monochromatic

#07041A #0B0729 #1A105D #291991 #3722C5

Accessibility & contrast

On white

16.46

#1A105D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1A105D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A105D

16.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A105D	#FFFFFF	#000000	##FFFFFF
##1A105D	1.00	16.46	1.28	16.46
#FFFFFF	16.46	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225F

Deuteranopia (green-blind)

#001C5C

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1a105d;
/* rgb */ color: rgb(26, 16, 93);
/* oklch */ color: oklch(25.3% 0.127 278.0);

Tailwind

colors: {
  custom: {
    50: '#62508c',
    500: '#1a105d',
    950: '#000000',
  },
}

SCSS

$custom: #1a105d;
$custom-light: #62508c;
$custom-dark: #000000;

JSON

{
  "hex": "#1a105d",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 93
  },
  "hsl": {
    "h": 247.792,
    "s": 70.642,
    "l": 21.373
  },
  "oklch": {
    "l": 0.2533,
    "c": 0.12747,
    "h": 278
  },
  "luminance": 0.01381
}

Semantic roles & 50–950 ramp

primary

#1A105D

secondary

#899633

accent

#ED3AD6

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1A105D

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

Preview Lab → · Contrast checker → · Palette generator →