#1A105F#1A105F

#1A105F is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.6% C 0.130 H 277.6°. Best body text is #FFFFFF at 16.37:1 contrast (WCAG AA passes).

Color values

HEX	#1A105F
RGB	rgb(26, 16, 95)
HSL	hsl(248, 71%, 22%)
HSV	hsv(248, 83%, 37%)
CMYK	cmyk(72.6%, 83.2%, 0%, 62.7%)
CIE-LAB	lab(12.07, 31.14, -44.64)
CIE-LCH	lch(12.07, 54.43, 304.90°)
OKLab	oklab(25.57% 0.0172 -0.129)
OKLCH	oklch(25.57% 0.13 277.6)
XYZ	xyz(2.6762, 1.4162, 10.9566)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A105F #555F10

analogous

#102E5F #1A105F #42105F

triadic

#1A105F #5F1A10 #105F1A

tetradic

#1A105F #5F102E #555F10 #105F42

square

#1A105F #5F102E #555F10 #105F42

split-complementary

#1A105F #5F4210 #2E5F10

monochromatic

#07041A #0C072B #1A105F #281993 #3722C8

Accessibility & contrast

On white

16.37

#1A105F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1A105F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A105F

16.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A105F	#FFFFFF	#000000	##FFFFFF
##1A105F	1.00	16.37	1.28	16.37
#FFFFFF	16.37	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002361

Deuteranopia (green-blind)

#001C5E

Tritanopia (blue-blind)

#002837

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1a105f;
/* rgb */ color: rgb(26, 16, 95);
/* oklch */ color: oklch(25.6% 0.130 277.6);

Tailwind

colors: {
  custom: {
    50: '#63508d',
    500: '#1a105f',
    950: '#000000',
  },
}

SCSS

$custom: #1a105f;
$custom-light: #63508d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a105f",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 95
  },
  "hsl": {
    "h": 247.595,
    "s": 71.171,
    "l": 21.765
  },
  "oklch": {
    "l": 0.25569,
    "c": 0.13011,
    "h": 277.6
  },
  "luminance": 0.01416
}

Semantic roles & 50–950 ramp

primary

#1A105F

secondary

#8B9833

accent

#EE3AD7

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1A105F

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

Preview Lab → · Contrast checker → · Palette generator →