#1C115C#1C115C

#1C115C is a dark, vivid blue. Relative luminance 0.014; OKLCH L 25.5% C 0.125 H 279.5°. Best body text is #FFFFFF at 16.36:1 contrast (WCAG AA passes).

Color values

HEX	#1C115C
RGB	rgb(28, 17, 92)
HSL	hsl(249, 69%, 21%)
HSV	hsv(249, 82%, 36%)
CMYK	cmyk(69.6%, 81.5%, 0%, 63.9%)
CIE-LAB	lab(12.09, 29.77, -42.58)
CIE-LCH	lch(12.09, 51.95, 304.96°)
OKLab	oklab(25.53% 0.0206 -0.1229)
OKLCH	oklch(25.53% 0.125 279.5)
XYZ	xyz(2.6105, 1.4203, 10.2597)
Luminance	0.0142 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C115C #515C11

analogous

#112C5C #1C115C #42115C

triadic

#1C115C #5C1C11 #115C1C

tetradic

#1C115C #5C112C #515C11 #115C42

square

#1C115C #5C112C #515C11 #115C42

split-complementary

#1C115C #5C4211 #2C5C11

monochromatic

#08051A #0C0728 #1C115C #2C1B90 #3B24C3

Accessibility & contrast

On white

16.36

#1C115C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#1C115C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C115C

16.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C115C	#FFFFFF	#000000	##FFFFFF
##1C115C	1.00	16.36	1.28	16.36
#FFFFFF	16.36	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00225E

Deuteranopia (green-blind)

#001D5B

Tritanopia (blue-blind)

#002736

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #1c115c;
/* rgb */ color: rgb(28, 17, 92);
/* oklch */ color: oklch(25.5% 0.125 279.5);

Tailwind

colors: {
  custom: {
    50: '#63518b',
    500: '#1c115c',
    950: '#000000',
  },
}

SCSS

$custom: #1c115c;
$custom-light: #63518b;
$custom-dark: #000000;

JSON

{
  "hex": "#1c115c",
  "rgb": {
    "r": 28,
    "g": 17,
    "b": 92
  },
  "hsl": {
    "h": 248.8,
    "s": 68.807,
    "l": 21.373
  },
  "oklch": {
    "l": 0.25528,
    "c": 0.12464,
    "h": 279.5
  },
  "luminance": 0.0142
}

Semantic roles & 50–950 ramp

primary

#1C115C

secondary

#879534

accent

#EC3CD2

background

#F6F4F8

surface

#EBE7F0

border

#C6C3CB

text

#06020C

muted

#7A787D

Preview Lab

Preview with #1C115C

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

Preview Lab → · Contrast checker → · Palette generator →