#1C104C#1C104C

#1C104C is a very dark, moderate violet. Relative luminance 0.011; OKLCH L 23.6% C 0.104 H 284.3°. Best body text is #FFFFFF at 17.10:1 contrast (WCAG AA passes).

Color values

HEX	#1C104C
RGB	rgb(28, 16, 76)
HSL	hsl(252, 65%, 18%)
HSV	hsv(252, 79%, 30%)
CMYK	cmyk(63.2%, 78.9%, 0%, 70.2%)
CIE-LAB	lab(10.10, 24.80, -34.94)
CIE-LCH	lch(10.10, 42.85, 305.37°)
OKLab	oklab(23.59% 0.0256 -0.1006)
OKLCH	oklch(23.59% 0.104 284.3)
XYZ	xyz(1.9683, 1.1391, 6.9522)
Luminance	0.0114 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C104C #404C10

analogous

#10224C #1C104C #3A104C

triadic

#1C104C #4C1C10 #104C1C

tetradic

#1C104C #4C1022 #404C10 #104C3A

square

#1C104C #4C1022 #404C10 #104C3A

split-complementary

#1C104C #4C3A10 #224C10

monochromatic

#090519 #090519 #1C104C #2F1B7F #4125B1

Accessibility & contrast

On white

17.10

#1C104C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1C104C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C104C

17.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C104C	#FFFFFF	#000000	##FFFFFF
##1C104C	1.00	17.10	1.23	17.10
#FFFFFF	17.10	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001D4E

Deuteranopia (green-blind)

#001A4B

Tritanopia (blue-blind)

#04202C

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1c104c;
/* rgb */ color: rgb(28, 16, 76);
/* oklch */ color: oklch(23.6% 0.104 284.3);

Tailwind

colors: {
  custom: {
    50: '#5f4f7f',
    500: '#1c104c',
    950: '#000000',
  },
}

SCSS

$custom: #1c104c;
$custom-light: #5f4f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c104c",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 76
  },
  "hsl": {
    "h": 252,
    "s": 65.217,
    "l": 18.039
  },
  "oklch": {
    "l": 0.23585,
    "c": 0.1038,
    "h": 284.3
  },
  "luminance": 0.01139
}

Semantic roles & 50–950 ramp

primary

#1C104C

secondary

#758632

accent

#E840C6

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1C104C

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

Preview Lab → · Contrast checker → · Palette generator →