#1A105C#1A105C

#1A105C is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.2% C 0.126 H 278.2°. Best body text is #FFFFFF at 16.50:1 contrast (WCAG AA passes).

Color values

HEX	#1A105C
RGB	rgb(26, 16, 92)
HSL	hsl(248, 70%, 21%)
HSV	hsv(248, 83%, 36%)
CMYK	cmyk(71.7%, 82.6%, 0%, 63.9%)
CIE-LAB	lab(11.71, 30.11, -43.22)
CIE-LCH	lch(11.71, 52.67, 304.86°)
OKLab	oklab(25.21% 0.0181 -0.1248)
OKLCH	oklch(25.21% 0.126 278.2)
XYZ	xyz(2.5424, 1.3627, 10.2522)
Luminance	0.0136 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1A105C #525C10

analogous

#102C5C #1A105C #40105C

triadic

#1A105C #5C1A10 #105C1A

tetradic

#1A105C #5C102C #525C10 #105C40

square

#1A105C #5C102C #525C10 #105C40

split-complementary

#1A105C #5C4010 #2C5C10

monochromatic

#07051A #0B0728 #1A105C #291990 #3722C4

Accessibility & contrast

On white

16.50

#1A105C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#1A105C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1A105C

16.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1A105C	#FFFFFF	#000000	##FFFFFF
##1A105C	1.00	16.50	1.27	16.50
#FFFFFF	16.50	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225E

Deuteranopia (green-blind)

#001C5B

Tritanopia (blue-blind)

#002635

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #1a105c;
/* rgb */ color: rgb(26, 16, 92);
/* oklch */ color: oklch(25.2% 0.126 278.2);

Tailwind

colors: {
  custom: {
    50: '#62508b',
    500: '#1a105c',
    950: '#000000',
  },
}

SCSS

$custom: #1a105c;
$custom-light: #62508b;
$custom-dark: #000000;

JSON

{
  "hex": "#1a105c",
  "rgb": {
    "r": 26,
    "g": 16,
    "b": 92
  },
  "hsl": {
    "h": 247.895,
    "s": 70.37,
    "l": 21.176
  },
  "oklch": {
    "l": 0.25212,
    "c": 0.12613,
    "h": 278.2
  },
  "luminance": 0.01363
}

Semantic roles & 50–950 ramp

primary

#1A105C

secondary

#889533

accent

#ED3BD6

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1A105C

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

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