#1C227A#1C227A

#1C227A is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.6% C 0.146 H 271.6°. Best body text is #FFFFFF at 13.47:1 contrast (WCAG AA passes).

Color values

HEX	#1C227A
RGB	rgb(28, 34, 122)
HSL	hsl(236, 63%, 29%)
HSV	hsv(236, 77%, 48%)
CMYK	cmyk(77%, 72.1%, 0%, 52.2%)
CIE-LAB	lab(19.21, 29.97, -50.49)
CIE-LCH	lch(19.21, 58.71, 300.69°)
OKLab	oklab(31.59% 0.0041 -0.1461)
OKLCH	oklch(31.59% 0.146 271.6)
XYZ	xyz(4.5626, 2.7956, 18.7077)
Luminance	0.0280 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C227A #7A741C

analogous

#1C517A #1C227A #451C7A

triadic

#1C227A #7A1C22 #227A1C

tetradic

#1C227A #7A1C51 #7A741C #1C7A45

square

#1C227A #7A1C51 #7A741C #1C7A45

split-complementary

#1C227A #7A451C #517A1C

monochromatic

#060719 #111448 #1C227A #2730AC #3E47D3

Accessibility & contrast

On white

13.47

#1C227A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#1C227A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C227A

13.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C227A	#FFFFFF	#000000	##FFFFFF
##1C227A	1.00	13.47	1.56	13.47
#FFFFFF	13.47	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00337D

Deuteranopia (green-blind)

#002A78

Tritanopia (blue-blind)

#003A4B

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c227a;
/* rgb */ color: rgb(28, 34, 122);
/* oklch */ color: oklch(31.6% 0.146 271.6);

Tailwind

colors: {
  custom: {
    50: '#695da1',
    500: '#1c227a',
    950: '#000000',
  },
}

SCSS

$custom: #1c227a;
$custom-light: #695da1;
$custom-dark: #000000;

JSON

{
  "hex": "#1c227a",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 122
  },
  "hsl": {
    "h": 236.17,
    "s": 62.667,
    "l": 29.412
  },
  "oklch": {
    "l": 0.31586,
    "c": 0.14614,
    "h": 271.6
  },
  "luminance": 0.02796
}

Semantic roles & 50–950 ramp

primary

#1C227A

secondary

#AEA744

accent

#DB42E6

background

#F6F5FA

surface

#ECE9F3

border

#C7C5CD

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C227A

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

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