#1C2684#1C2684

#1C2684 is a dark, vivid blue. Relative luminance 0.033; OKLCH L 33.3% C 0.155 H 270.2°. Best body text is #FFFFFF at 12.65:1 contrast (WCAG AA passes).

Color values

HEX	#1C2684
RGB	rgb(28, 38, 132)
HSL	hsl(234, 65%, 31%)
HSV	hsv(234, 79%, 52%)
CMYK	cmyk(78.8%, 71.2%, 0%, 48.2%)
CIE-LAB	lab(21.20, 31.09, -53.54)
CIE-LCH	lch(21.20, 61.91, 300.15°)
OKLab	oklab(33.34% 0.0006 -0.155)
OKLCH	oklch(33.34% 0.155 270.2)
XYZ	xyz(5.3354, 3.2985, 22.1808)
Luminance	0.0330 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2684 #847A1C

analogous

#1C5A84 #1C2684 #461C84

triadic

#1C2684 #841C26 #26841C

tetradic

#1C2684 #841C5A #847A1C #1C8446

square

#1C2684 #841C5A #847A1C #1C8446

split-complementary

#1C2684 #84461C #5A841C

monochromatic

#07091F #111752 #1C2684 #2735B6 #4351D7

Accessibility & contrast

On white

12.65

#1C2684 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.66

#1C2684 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2684

12.65:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2684	#FFFFFF	#000000	##FFFFFF
##1C2684	1.00	12.65	1.66	12.65
#FFFFFF	12.65	1.00	21.00	1.00
#000000	1.66	21.00	1.00	21.00
##FFFFFF	12.65	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003887

Deuteranopia (green-blind)

#002E82

Tritanopia (blue-blind)

#004052

Achromatopsia (no color)

#333333

Design tokens & code

CSS

--color: #1c2684;
/* rgb */ color: rgb(28, 38, 132);
/* oklch */ color: oklch(33.3% 0.155 270.2);

Tailwind

colors: {
  custom: {
    50: '#6b60a9',
    500: '#1c2684',
    950: '#000000',
  },
}

SCSS

$custom: #1c2684;
$custom-light: #6b60a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2684",
  "rgb": {
    "r": 28,
    "g": 38,
    "b": 132
  },
  "hsl": {
    "h": 234.231,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.3334,
    "c": 0.15498,
    "h": 270.2
  },
  "luminance": 0.03299
}

Semantic roles & 50–950 ramp

primary

#1C2684

secondary

#B7AC45

accent

#D840E8

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#080510

muted

#7A797F

Preview Lab

Preview with #1C2684

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

Preview Lab → · Contrast checker → · Palette generator →