#10105A#10105A

#10105A is a very dark, vivid blue. Relative luminance 0.012; OKLCH L 24.2% C 0.126 H 271.9°. Best body text is #FFFFFF at 16.88:1 contrast (WCAG AA passes).

Color values

HEX	#10105A
RGB	rgb(16, 16, 90)
HSL	hsl(240, 70%, 21%)
HSV	hsv(240, 82%, 35%)
CMYK	cmyk(82.2%, 82.2%, 0%, 64.7%)
CIE-LAB	lab(10.69, 28.37, -43.57)
CIE-LCH	lch(10.69, 51.99, 303.07°)
OKLab	oklab(24.23% 0.0041 -0.1261)
OKLCH	oklch(24.23% 0.126 271.9)
XYZ	xyz(2.2438, 1.2187, 9.7879)
Luminance	0.0122 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#10105A #5A5A10

analogous

#10355A #10105A #35105A

triadic

#10105A #5A1010 #105A10

tetradic

#10105A #5A1035 #5A5A10 #105A35

square

#10105A #5A1035 #5A5A10 #105A35

split-complementary

#10105A #5A3510 #355A10

monochromatic

#05051A #070726 #10105A #19198E #2222C2

Accessibility & contrast

On white

16.88

#10105A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#10105A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #10105A

16.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##10105A	#FFFFFF	#000000	##FFFFFF
##10105A	1.00	16.88	1.24	16.88
#FFFFFF	16.88	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00205C

Deuteranopia (green-blind)

#001959

Tritanopia (blue-blind)

#002634

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #10105a;
/* rgb */ color: rgb(16, 16, 90);
/* oklch */ color: oklch(24.2% 0.126 271.9);

Tailwind

colors: {
  custom: {
    50: '#5e4f8a',
    500: '#10105a',
    950: '#000000',
  },
}

SCSS

$custom: #10105a;
$custom-light: #5e4f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#10105a",
  "rgb": {
    "r": 16,
    "g": 16,
    "b": 90
  },
  "hsl": {
    "h": 240,
    "s": 69.811,
    "l": 20.784
  },
  "oklch": {
    "l": 0.24228,
    "c": 0.12619,
    "h": 271.9
  },
  "luminance": 0.01219
}

Semantic roles & 50–950 ramp

primary

#10105A

secondary

#939333

accent

#ED3BED

background

#F5F4F8

surface

#EAE7F0

border

#C6C3CB

text

#05020C

muted

#79787D

Preview Lab

Preview with #10105A

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

Preview Lab → · Contrast checker → · Palette generator →