#1C3284#1C3284

#1C3284 is a dark, vivid blue. Relative luminance 0.042; OKLCH L 35.6% C 0.140 H 267.2°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#1C3284
RGB	rgb(28, 50, 132)
HSL	hsl(227, 65%, 31%)
HSV	hsv(227, 79%, 52%)
CMYK	cmyk(78.8%, 62.1%, 0%, 48.2%)
CIE-LAB	lab(24.30, 22.95, -48.46)
CIE-LCH	lch(24.30, 53.62, 295.34°)
OKLab	oklab(35.62% -0.0069 -0.14)
OKLCH	oklch(35.62% 0.14 267.2)
XYZ	xyz(5.7829, 4.1934, 22.3299)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C3284 #846E1C

analogous

#1C6684 #1C3284 #3A1C84

triadic

#1C3284 #841C32 #32841C

tetradic

#1C3284 #841C66 #846E1C #1C843A

square

#1C3284 #841C66 #846E1C #1C843A

split-complementary

#1C3284 #843A1C #66841C

monochromatic

#070C1F #111F52 #1C3284 #2745B6 #4363D7

Accessibility & contrast

On white

11.42

#1C3284 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#1C3284 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C3284

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C3284	#FFFFFF	#000000	##FFFFFF
##1C3284	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F87

Deuteranopia (green-blind)

#003582

Tritanopia (blue-blind)

#004756

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #1c3284;
/* rgb */ color: rgb(28, 50, 132);
/* oklch */ color: oklch(35.6% 0.140 267.2);

Tailwind

colors: {
  custom: {
    50: '#6a69a9',
    500: '#1c3284',
    950: '#000000',
  },
}

SCSS

$custom: #1c3284;
$custom-light: #6a69a9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c3284",
  "rgb": {
    "r": 28,
    "g": 50,
    "b": 132
  },
  "hsl": {
    "h": 227.308,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.35615,
    "c": 0.14019,
    "h": 267.2
  },
  "luminance": 0.04194
}

Semantic roles & 50–950 ramp

primary

#1C3284

secondary

#B79F45

accent

#C440E8

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070610

muted

#7A7A7F

Preview Lab

Preview with #1C3284

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

Preview Lab → · Contrast checker → · Palette generator →