#1C106A#1C106A

#1C106A is a dark, vivid blue. Relative luminance 0.017; OKLCH L 27.1% C 0.144 H 276.8°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#1C106A
RGB	rgb(28, 16, 106)
HSL	hsl(248, 74%, 24%)
HSV	hsv(248, 85%, 42%)
CMYK	cmyk(73.6%, 84.9%, 0%, 58.4%)
CIE-LAB	lab(13.58, 35.04, -49.42)
CIE-LCH	lch(13.58, 60.58, 305.34°)
OKLab	oklab(27.06% 0.017 -0.1428)
OKLCH	oklch(27.06% 0.144 276.8)
XYZ	xyz(3.2649, 1.6578, 13.7808)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C106A #5E6A10

analogous

#10316A #1C106A #49106A

triadic

#1C106A #6A1C10 #106A1C

tetradic

#1C106A #6A1031 #5E6A10 #106A49

square

#1C106A #6A1031 #5E6A10 #106A49

split-complementary

#1C106A #6A4910 #316A10

monochromatic

#07041B #0E0835 #1C106A #2A189F #3820D4

Accessibility & contrast

On white

15.77

#1C106A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#1C106A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C106A

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C106A	#FFFFFF	#000000	##FFFFFF
##1C106A	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00266C

Deuteranopia (green-blind)

#001F68

Tritanopia (blue-blind)

#002C3E

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #1c106a;
/* rgb */ color: rgb(28, 16, 106);
/* oklch */ color: oklch(27.1% 0.144 276.8);

Tailwind

colors: {
  custom: {
    50: '#665196',
    500: '#1c106a',
    950: '#000000',
  },
}

SCSS

$custom: #1c106a;
$custom-light: #665196;
$custom-dark: #000000;

JSON

{
  "hex": "#1c106a",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 106
  },
  "hsl": {
    "h": 248,
    "s": 73.77,
    "l": 23.922
  },
  "oklch": {
    "l": 0.2706,
    "c": 0.14383,
    "h": 276.8
  },
  "luminance": 0.01658
}

Semantic roles & 50–950 ramp

primary

#1C106A

secondary

#93A234

accent

#F037D8

background

#F6F4F9

surface

#EBE7F2

border

#C6C3CC

text

#07020D

muted

#7A787E

Preview Lab

Preview with #1C106A

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

Preview Lab → · Contrast checker → · Palette generator →