#1C2184#1C2184

#1C2184 is a dark, vivid blue. Relative luminance 0.030; OKLCH L 32.5% C 0.161 H 271.1°. Best body text is #FFFFFF at 13.12:1 contrast (WCAG AA passes).

Color values

HEX	#1C2184
RGB	rgb(28, 33, 132)
HSL	hsl(237, 65%, 31%)
HSV	hsv(237, 79%, 52%)
CMYK	cmyk(78.8%, 75%, 0%, 48.2%)
CIE-LAB	lab(20.04, 34.28, -55.45)
CIE-LCH	lch(20.04, 65.19, 301.73°)
OKLab	oklab(32.51% 0.0031 -0.1605)
OKLCH	oklch(32.51% 0.161 271.1)
XYZ	xyz(5.1862, 3.0000, 22.1310)
Luminance	0.0300 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2184 #847F1C

analogous

#1C5584 #1C2184 #4B1C84

triadic

#1C2184 #841C21 #21841C

tetradic

#1C2184 #841C55 #847F1C #1C844B

square

#1C2184 #841C55 #847F1C #1C844B

split-complementary

#1C2184 #844B1C #55841C

monochromatic

#07081F #111452 #1C2184 #272EB6 #434AD7

Accessibility & contrast

On white

13.12

#1C2184 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.60

#1C2184 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2184

13.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2184	#FFFFFF	#000000	##FFFFFF
##1C2184	1.00	13.12	1.60	13.12
#FFFFFF	13.12	1.00	21.00	1.00
#000000	1.60	21.00	1.00	21.00
##FFFFFF	13.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003587

Deuteranopia (green-blind)

#002B82

Tritanopia (blue-blind)

#003D50

Achromatopsia (no color)

#303030

Design tokens & code

CSS

--color: #1c2184;
/* rgb */ color: rgb(28, 33, 132);
/* oklch */ color: oklch(32.5% 0.161 271.1);

Tailwind

colors: {
  custom: {
    50: '#6b5da9',
    500: '#1c2184',
    950: '#000000',
  },
}

SCSS

$custom: #1c2184;
$custom-light: #6b5da9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2184",
  "rgb": {
    "r": 28,
    "g": 33,
    "b": 132
  },
  "hsl": {
    "h": 237.115,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32508,
    "c": 0.16056,
    "h": 271.1
  },
  "luminance": 0.03001
}

Semantic roles & 50–950 ramp

primary

#1C2184

secondary

#B7B245

accent

#E040E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C2184

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

Preview Lab → · Contrast checker → · Palette generator →