#1A105E#1A105E

#1A105E is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.4% C 0.129 H 277.8°. Best body text is #FFFFFF at 16.41:1 contrast (WCAG AA passes).

Color values

HEX	#1A105E
RGB	rgb(26, 16, 94)
HSL	hsl(248, 71%, 22%)
HSV	hsv(248, 83%, 37%)
CMYK	cmyk(72.3%, 83%, 0%, 63.1%)
CIE-LAB	lab(11.95, 30.80, -44.17)
CIE-LCH	lch(11.95, 53.84, 304.89°)
OKLab	oklab(25.45% 0.0175 -0.1276)
OKLCH	oklch(25.45% 0.129 277.8)
XYZ	xyz(2.6310, 1.3981, 10.7187)
Luminance	0.0140 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A105E #545E10

analogous

#102D5E #1A105E #41105E

triadic

#1A105E #5E1A10 #105E1A

tetradic

#1A105E #5E102D #545E10 #105E41

square

#1A105E #5E102D #545E10 #105E41

split-complementary

#1A105E #5E4110 #2D5E10

monochromatic

#07041A #0C072A #1A105E #281992 #3722C7

Accessibility & contrast

On white

16.41

#1A105E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1A105E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A105E

16.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A105E	#FFFFFF	#000000	##FFFFFF
##1A105E	1.00	16.41	1.28	16.41
#FFFFFF	16.41	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002260

Deuteranopia (green-blind)

#001C5D

Tritanopia (blue-blind)

#002737

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1a105e;
/* rgb */ color: rgb(26, 16, 94);
/* oklch */ color: oklch(25.4% 0.129 277.8);

Tailwind

colors: {
  custom: {
    50: '#62508d',
    500: '#1a105e',
    950: '#000000',
  },
}

SCSS

$custom: #1a105e;
$custom-light: #62508d;
$custom-dark: #000000;

JSON

{
  "hex": "#1a105e",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 94
  },
  "hsl": {
    "h": 247.692,
    "s": 70.909,
    "l": 21.569
  },
  "oklch": {
    "l": 0.25449,
    "c": 0.1288,
    "h": 277.8
  },
  "luminance": 0.01398
}

Semantic roles & 50–950 ramp

primary

#1A105E

secondary

#8A9733

accent

#EE3AD7

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1A105E

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

Preview Lab → · Contrast checker → · Palette generator →