#1C103F#1C103F

#1C103F is a very dark, moderate violet. Relative luminance 0.010; OKLCH L 22.2% C 0.085 H 289.4°. Best body text is #FFFFFF at 17.57:1 contrast (WCAG AA passes).

Color values

HEX	#1C103F
RGB	rgb(28, 16, 63)
HSL	hsl(255, 59%, 15%)
HSV	hsv(255, 75%, 25%)
CMYK	cmyk(55.6%, 74.6%, 0%, 75.3%)
CIE-LAB	lab(8.79, 20.23, -27.94)
CIE-LCH	lch(8.79, 34.50, 305.91°)
OKLab	oklab(22.24% 0.0282 -0.0801)
OKLCH	oklch(22.24% 0.085 289.4)
XYZ	xyz(1.5611, 0.9763, 4.8078)
Luminance	0.0098 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Navy Blue (survey)

#001146

ΔE00 5.30

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C103F #333F10

analogous

#101B3F #1C103F #33103F

triadic

#1C103F #3F1C10 #103F1C

tetradic

#1C103F #3F101B #333F10 #103F33

square

#1C103F #3F101B #333F10 #103F33

split-complementary

#1C103F #3F3310 #1B3F10

monochromatic

#0B0618 #0B0618 #1C103F #321C70 #4729A1

Accessibility & contrast

On white

17.57

#1C103F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.20

#1C103F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C103F

17.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C103F	#FFFFFF	#000000	##FFFFFF
##1C103F	1.00	17.57	1.20	17.57
#FFFFFF	17.57	1.00	21.00	1.00
#000000	1.20	21.00	1.00	21.00
##FFFFFF	17.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001A40

Deuteranopia (green-blind)

#00183E

Tritanopia (blue-blind)

#101B25

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #1c103f;
/* rgb */ color: rgb(28, 16, 63);
/* oklch */ color: oklch(22.2% 0.085 289.4);

Tailwind

colors: {
  custom: {
    50: '#5c4f74',
    500: '#1c103f',
    950: '#000000',
  },
}

SCSS

$custom: #1c103f;
$custom-light: #5c4f74;
$custom-dark: #000000;

JSON

{
  "hex": "#1c103f",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 63
  },
  "hsl": {
    "h": 255.319,
    "s": 59.494,
    "l": 15.49
  },
  "oklch": {
    "l": 0.22244,
    "c": 0.08488,
    "h": 289.4
  },
  "luminance": 0.00976
}

Semantic roles & 50–950 ramp

primary

#1C103F

secondary

#677932

accent

#E345BA

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#040208

muted

#79787B

Preview Lab

Preview with #1C103F

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

Preview Lab → · Contrast checker → · Palette generator →