#100F6A#100F6A

#100F6A is a dark, vivid blue. Relative luminance 0.015; OKLCH L 26.1% C 0.148 H 270.3°. Best body text is #FFFFFF at 16.17:1 contrast (WCAG AA passes).

Color values

HEX	#100F6A
RGB	rgb(16, 15, 106)
HSL	hsl(241, 75%, 24%)
HSV	hsv(241, 86%, 42%)
CMYK	cmyk(84.9%, 85.8%, 0%, 58.4%)
CIE-LAB	lab(12.56, 34.66, -51.14)
CIE-LCH	lch(12.56, 61.77, 304.13°)
OKLab	oklab(26.13% 0.0008 -0.148)
OKLCH	oklch(26.13% 0.148 270.3)
XYZ	xyz(2.9851, 1.4921, 13.7635)
Luminance	0.0149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#100F6A #696A0F

analogous

#0F3B6A #100F6A #3D0F6A

triadic

#100F6A #6A100F #0F6A10

tetradic

#100F6A #6A0F3B #696A0F #0F6A3D

square

#100F6A #6A0F3B #696A0F #0F6A3D

split-complementary

#100F6A #6A3D0F #3B6A0F

monochromatic

#04041B #080734 #100F6A #1817A0 #201ED5

Accessibility & contrast

On white

16.17

#100F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.30

#100F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #100F6A

16.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##100F6A	#FFFFFF	#000000	##FFFFFF
##100F6A	1.00	16.17	1.30	16.17
#FFFFFF	16.17	1.00	21.00	1.00
#000000	1.30	21.00	1.00	21.00
##FFFFFF	16.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00256C

Deuteranopia (green-blind)

#001C68

Tritanopia (blue-blind)

#002C3D

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #100f6a;
/* rgb */ color: rgb(16, 15, 106);
/* oklch */ color: oklch(26.1% 0.148 270.3);

Tailwind

colors: {
  custom: {
    50: '#625096',
    500: '#100f6a',
    950: '#000000',
  },
}

SCSS

$custom: #100f6a;
$custom-light: #625096;
$custom-dark: #000000;

JSON

{
  "hex": "#100f6a",
  "rgb": {
    "r": 16,
    "g": 15,
    "b": 106
  },
  "hsl": {
    "h": 240.659,
    "s": 75.207,
    "l": 23.725
  },
  "oklch": {
    "l": 0.26129,
    "c": 0.14804,
    "h": 270.3
  },
  "luminance": 0.01492
}

Semantic roles & 50–950 ramp

primary

#100F6A

secondary

#A1A232

accent

#F236F0

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#06020D

muted

#7A787E

Preview Lab

Preview with #100F6A

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

Preview Lab → · Contrast checker → · Palette generator →