#1C2884#1C2884

#1C2884 is a dark, vivid blue. Relative luminance 0.034; OKLCH L 33.7% C 0.153 H 269.8°. Best body text is #FFFFFF at 12.46:1 contrast (WCAG AA passes).

Color values

HEX	#1C2884
RGB	rgb(28, 40, 132)
HSL	hsl(233, 65%, 31%)
HSV	hsv(233, 79%, 52%)
CMYK	cmyk(78.8%, 69.7%, 0%, 48.2%)
CIE-LAB	lab(21.69, 29.78, -52.74)
CIE-LCH	lch(21.69, 60.56, 299.45°)
OKLab	oklab(33.69% -0.0005 -0.1526)
OKLCH	oklch(33.69% 0.153 269.8)
XYZ	xyz(5.4011, 3.4298, 22.2027)
Luminance	0.0343 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2884 #84781C

analogous

#1C5C84 #1C2884 #441C84

triadic

#1C2884 #841C28 #28841C

tetradic

#1C2884 #841C5C #84781C #1C8444

square

#1C2884 #841C5C #84781C #1C8444

split-complementary

#1C2884 #84441C #5C841C

monochromatic

#07091F #111952 #1C2884 #2737B6 #4354D7

Accessibility & contrast

On white

12.46

#1C2884 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.69

#1C2884 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2884

12.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2884	#FFFFFF	#000000	##FFFFFF
##1C2884	1.00	12.46	1.69	12.46
#FFFFFF	12.46	1.00	21.00	1.00
#000000	1.69	21.00	1.00	21.00
##FFFFFF	12.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003987

Deuteranopia (green-blind)

#002F82

Tritanopia (blue-blind)

#004152

Achromatopsia (no color)

#343434

Design tokens & code

CSS

--color: #1c2884;
/* rgb */ color: rgb(28, 40, 132);
/* oklch */ color: oklch(33.7% 0.153 269.8);

Tailwind

colors: {
  custom: {
    50: '#6b62a9',
    500: '#1c2884',
    950: '#000000',
  },
}

SCSS

$custom: #1c2884;
$custom-light: #6b62a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2884",
  "rgb": {
    "r": 28,
    "g": 40,
    "b": 132
  },
  "hsl": {
    "h": 233.077,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.33693,
    "c": 0.15264,
    "h": 269.8
  },
  "luminance": 0.0343
}

Semantic roles & 50–950 ramp

primary

#1C2884

secondary

#B7AA45

accent

#D540E8

background

#F6F5FA

surface

#ECEAF4

border

#C7C6CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1C2884

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

Preview Lab → · Contrast checker → · Palette generator →