#1C104D#1C104D

#1C104D is a very dark, moderate violet. Relative luminance 0.012; OKLCH L 23.7% C 0.105 H 284.0°. Best body text is #FFFFFF at 17.06:1 contrast (WCAG AA passes).

Color values

HEX	#1C104D
RGB	rgb(28, 16, 77)
HSL	hsl(252, 66%, 18%)
HSV	hsv(252, 79%, 30%)
CMYK	cmyk(63.6%, 79.2%, 0%, 69.8%)
CIE-LAB	lab(10.21, 25.15, -35.45)
CIE-LCH	lch(10.21, 43.47, 305.35°)
OKLab	oklab(23.69% 0.0254 -0.1021)
OKLCH	oklch(23.69% 0.105 284)
XYZ	xyz(2.0033, 1.1532, 7.1368)
Luminance	0.0115 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.14

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C104D #414D10

analogous

#10224D #1C104D #3A104D

triadic

#1C104D #4D1C10 #104D1C

tetradic

#1C104D #4D1022 #414D10 #104D3A

square

#1C104D #4D1022 #414D10 #104D3A

split-complementary

#1C104D #4D3A10 #224D10

monochromatic

#090519 #0A051A #1C104D #2E1B80 #4125B2

Accessibility & contrast

On white

17.06

#1C104D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.23

#1C104D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C104D

17.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C104D	#FFFFFF	#000000	##FFFFFF
##1C104D	1.00	17.06	1.23	17.06
#FFFFFF	17.06	1.00	21.00	1.00
#000000	1.23	21.00	1.00	21.00
##FFFFFF	17.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001E4F

Deuteranopia (green-blind)

#001A4C

Tritanopia (blue-blind)

#03212D

Achromatopsia (no color)

#1C1C1C

Design tokens & code

CSS

--color: #1c104d;
/* rgb */ color: rgb(28, 16, 77);
/* oklch */ color: oklch(23.7% 0.105 284.0);

Tailwind

colors: {
  custom: {
    50: '#5f4f7f',
    500: '#1c104d',
    950: '#000000',
  },
}

SCSS

$custom: #1c104d;
$custom-light: #5f4f7f;
$custom-dark: #000000;

JSON

{
  "hex": "#1c104d",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 77
  },
  "hsl": {
    "h": 251.803,
    "s": 65.591,
    "l": 18.235
  },
  "oklch": {
    "l": 0.23693,
    "c": 0.1052,
    "h": 284
  },
  "luminance": 0.01153
}

Semantic roles & 50–950 ramp

primary

#1C104D

secondary

#768732

accent

#E93FC7

background

#F5F4F7

surface

#EAE7EE

border

#C6C3C9

text

#05020A

muted

#79787C

Preview Lab

Preview with #1C104D

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

Preview Lab → · Contrast checker → · Palette generator →