#1C109D#1C109D

#1C109D is a dark, highly saturated blue. Relative luminance 0.031; OKLCH L 33.5% C 0.204 H 270.6°. Best body text is #FFFFFF at 13.04:1 contrast (WCAG AA passes).

Color values

HEX	#1C109D
RGB	rgb(28, 16, 157)
HSL	hsl(245, 82%, 34%)
HSV	hsv(245, 90%, 62%)
CMYK	cmyk(82.2%, 89.8%, 0%, 38.4%)
CIE-LAB	lab(20.25, 50.80, -70.65)
CIE-LCH	lch(20.25, 87.02, 305.72°)
OKLab	oklab(33.53% 0.0021 -0.2043)
OKLCH	oklch(33.53% 0.204 270.6)
XYZ	xyz(6.7479, 3.0510, 32.1250)
Luminance	0.0305 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C109D #919D10

analogous

#104B9D #1C109D #63109D

triadic

#1C109D #9D1C10 #109D1C

tetradic

#1C109D #9D104B #919D10 #109D63

square

#1C109D #9D104B #919D10 #109D63

split-complementary

#1C109D #9D6310 #4B9D10

monochromatic

#08052E #120A65 #1C109D #2616D5 #4B3CEB

Accessibility & contrast

On white

13.04

#1C109D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1C109D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C109D

13.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C109D	#FFFFFF	#000000	##FFFFFF
##1C109D	1.00	13.04	1.61	13.04
#FFFFFF	13.04	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0037A1

Deuteranopia (green-blind)

#002A9B

Tritanopia (blue-blind)

#00425C

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c109d;
/* rgb */ color: rgb(28, 16, 157);
/* oklch */ color: oklch(33.5% 0.204 270.6);

Tailwind

colors: {
  custom: {
    50: '#7456bb',
    500: '#1c109d',
    950: '#000000',
  },
}

SCSS

$custom: #1c109d;
$custom-light: #7456bb;
$custom-dark: #000000;

JSON

{
  "hex": "#1c109d",
  "rgb": {
    "r": 28,
    "g": 16,
    "b": 157
  },
  "hsl": {
    "h": 245.106,
    "s": 81.503,
    "l": 33.922
  },
  "oklch": {
    "l": 0.33532,
    "c": 0.2043,
    "h": 270.6
  },
  "luminance": 0.03052
}

Semantic roles & 50–950 ramp

primary

#1C109D

secondary

#BECA3E

accent

#F830E7

background

#F7F5FB

surface

#EEE9F7

border

#C9C5D0

text

#0A0312

muted

#7C7881

Preview Lab

Preview with #1C109D

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

Preview Lab → · Contrast checker → · Palette generator →