#1C103C#1C103C

#1C103C is a very dark, moderate violet. Relative luminance 0.009; OKLCH L 22.0% C 0.080 H 290.8°. Best body text is #FFFFFF at 17.66:1 contrast (WCAG AA passes).

Color values

HEX	#1C103C
RGB	rgb(28, 16, 60)
HSL	hsl(256, 58%, 15%)
HSV	hsv(256, 73%, 24%)
CMYK	cmyk(53.3%, 73.3%, 0%, 76.5%)
CIE-LAB	lab(8.51, 19.19, -26.26)
CIE-LCH	lch(8.51, 32.52, 306.16°)
OKLab	oklab(21.95% 0.0286 -0.0751)
OKLCH	oklch(21.95% 0.08 290.8)
XYZ	xyz(1.4796, 0.9436, 4.3783)
Luminance	0.0094 (WCAG relative)
Temperature	cool
Family	violet

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C103C #303C10

analogous

#101A3C #1C103C #32103C

triadic

#1C103C #3C1C10 #103C1C

tetradic

#1C103C #3C101A #303C10 #103C32

square

#1C103C #3C101A #303C10 #103C32

split-complementary

#1C103C #3C3210 #1A3C10

monochromatic

#0B0618 #0B0618 #1C103C #331D6C #492A9D

Accessibility & contrast

On white

17.66

#1C103C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.19

#1C103C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C103C

17.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C103C	#FFFFFF	#000000	##FFFFFF
##1C103C	1.00	17.66	1.19	17.66
#FFFFFF	17.66	1.00	21.00	1.00
#000000	1.19	21.00	1.00	21.00
##FFFFFF	17.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00193D

Deuteranopia (green-blind)

#00183B

Tritanopia (blue-blind)

#121A24

Achromatopsia (no color)

#191919

Design tokens & code

CSS

--color: #1c103c;
/* rgb */ color: rgb(28, 16, 60);
/* oklch */ color: oklch(22.0% 0.080 290.8);

Tailwind

colors: {
  custom: {
    50: '#5c4e72',
    500: '#1c103c',
    950: '#000000',
  },
}

SCSS

$custom: #1c103c;
$custom-light: #5c4e72;
$custom-dark: #000000;

JSON

{
  "hex": "#1c103c",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 60
  },
  "hsl": {
    "h": 256.364,
    "s": 57.895,
    "l": 14.902
  },
  "oklch": {
    "l": 0.21954,
    "c": 0.08035,
    "h": 290.8
  },
  "luminance": 0.00944
}

Semantic roles & 50–950 ramp

primary

#1C103C

secondary

#637632

accent

#E147B7

background

#F5F4F6

surface

#E9E7EC

border

#C5C3C7

text

#040108

muted

#79777B

Preview Lab

Preview with #1C103C

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

Preview Lab → · Contrast checker → · Palette generator →