#1C2284#1C2284

#1C2284 is a dark, vivid blue. Relative luminance 0.031; OKLCH L 32.7% C 0.159 H 271.0°. Best body text is #FFFFFF at 13.03:1 contrast (WCAG AA passes).

Color values

HEX	#1C2284
RGB	rgb(28, 34, 132)
HSL	hsl(237, 65%, 31%)
HSV	hsv(237, 79%, 52%)
CMYK	cmyk(78.8%, 74.2%, 0%, 48.2%)
CIE-LAB	lab(20.27, 33.66, -55.08)
CIE-LCH	lch(20.27, 64.55, 301.43°)
OKLab	oklab(32.67% 0.0027 -0.1595)
OKLCH	oklch(32.67% 0.159 271)
XYZ	xyz(5.2144, 3.0563, 22.1404)
Luminance	0.0306 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C2284 #847E1C

analogous

#1C5684 #1C2284 #4A1C84

triadic

#1C2284 #841C22 #22841C

tetradic

#1C2284 #841C56 #847E1C #1C844A

square

#1C2284 #841C56 #847E1C #1C844A

split-complementary

#1C2284 #844A1C #56841C

monochromatic

#07081F #111552 #1C2284 #272FB6 #434CD7

Accessibility & contrast

On white

13.03

#1C2284 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.61

#1C2284 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C2284

13.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C2284	#FFFFFF	#000000	##FFFFFF
##1C2284	1.00	13.03	1.61	13.03
#FFFFFF	13.03	1.00	21.00	1.00
#000000	1.61	21.00	1.00	21.00
##FFFFFF	13.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003687

Deuteranopia (green-blind)

#002C82

Tritanopia (blue-blind)

#003E50

Achromatopsia (no color)

#313131

Design tokens & code

CSS

--color: #1c2284;
/* rgb */ color: rgb(28, 34, 132);
/* oklch */ color: oklch(32.7% 0.159 271.0);

Tailwind

colors: {
  custom: {
    50: '#6b5ea9',
    500: '#1c2284',
    950: '#000000',
  },
}

SCSS

$custom: #1c2284;
$custom-light: #6b5ea9;
$custom-dark: #000000;

JSON

{
  "hex": "#1c2284",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 132
  },
  "hsl": {
    "h": 236.538,
    "s": 65,
    "l": 31.373
  },
  "oklch": {
    "l": 0.32668,
    "c": 0.15948,
    "h": 271
  },
  "luminance": 0.03057
}

Semantic roles & 50–950 ramp

primary

#1C2284

secondary

#B7B145

accent

#DE40E8

background

#F7F5FA

surface

#EDE9F4

border

#C8C5CE

text

#080410

muted

#7B797F

Preview Lab

Preview with #1C2284

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

Preview Lab → · Contrast checker → · Palette generator →