#1C118C#1C118C

#1C118C is a dark, vivid blue. Relative luminance 0.025; OKLCH L 31.4% C 0.184 H 272.0°. Best body text is #FFFFFF at 13.92:1 contrast (WCAG AA passes).

Color values

HEX	#1C118C
RGB	rgb(28, 17, 140)
HSL	hsl(245, 78%, 31%)
HSV	hsv(245, 88%, 55%)
CMYK	cmyk(80%, 87.9%, 0%, 45.1%)
CIE-LAB	lab(18.10, 45.36, -63.69)
CIE-LCH	lch(18.10, 78.19, 305.46°)
OKLab	oklab(31.43% 0.0066 -0.1842)
OKLCH	oklch(31.43% 0.184 272)
XYZ	xyz(5.4114, 2.5406, 25.0111)
Luminance	0.0254 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C118C #818C11

analogous

#11438C #1C118C #59118C

triadic

#1C118C #8C1C11 #118C1C

tetradic

#1C118C #8C1143 #818C11 #118C59

square

#1C118C #8C1143 #818C11 #118C59

split-complementary

#1C118C #8C5911 #438C11

monochromatic

#06041F #110A55 #1C118C #2718C3 #4231E6

Accessibility & contrast

On white

13.92

#1C118C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.51

#1C118C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C118C

13.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C118C	#FFFFFF	#000000	##FFFFFF
##1C118C	1.00	13.92	1.51	13.92
#FFFFFF	13.92	1.00	21.00	1.00
#000000	1.51	21.00	1.00	21.00
##FFFFFF	13.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00328F

Deuteranopia (green-blind)

#00268A

Tritanopia (blue-blind)

#003A52

Achromatopsia (no color)

#2C2C2C

Design tokens & code

CSS

--color: #1c118c;
/* rgb */ color: rgb(28, 17, 140);
/* oklch */ color: oklch(31.4% 0.184 272.0);

Tailwind

colors: {
  custom: {
    50: '#6f55af',
    500: '#1c118c',
    950: '#000000',
  },
}

SCSS

$custom: #1c118c;
$custom-light: #6f55af;
$custom-dark: #000000;

JSON

{
  "hex": "#1c118c",
  "rgb": {
    "r": 28,
    "g": 17,
    "b": 140
  },
  "hsl": {
    "h": 245.366,
    "s": 78.344,
    "l": 30.784
  },
  "oklch": {
    "l": 0.31429,
    "c": 0.18431,
    "h": 272
  },
  "luminance": 0.02541
}

Semantic roles & 50–950 ramp

primary

#1C118C

secondary

#B4C138

accent

#F533E3

background

#F7F5FA

surface

#EDE9F5

border

#C8C5CF

text

#090311

muted

#7B7880

Preview Lab

Preview with #1C118C

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

Preview Lab → · Contrast checker → · Palette generator →