#1C227C#1C227C

#1C227C is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.8% C 0.149 H 271.5°. Best body text is #FFFFFF at 13.38:1 contrast (WCAG AA passes).

Color values

HEX	#1C227C
RGB	rgb(28, 34, 124)
HSL	hsl(236, 63%, 30%)
HSV	hsv(236, 77%, 49%)
CMYK	cmyk(77.4%, 72.6%, 0%, 51.4%)
CIE-LAB	lab(19.41, 30.71, -51.42)
CIE-LCH	lch(19.41, 59.89, 300.85°)
OKLab	oklab(31.8% 0.0038 -0.1488)
OKLCH	oklch(31.8% 0.149 271.5)
XYZ	xyz(4.6878, 2.8457, 19.3671)
Luminance	0.0285 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#1C227C #7C761C

analogous

#1C527C #1C227C #461C7C

triadic

#1C227C #7C1C22 #227C1C

tetradic

#1C227C #7C1C52 #7C761C #1C7C46

square

#1C227C #7C1C52 #7C761C #1C7C46

split-complementary

#1C227C #7C461C #527C1C

monochromatic

#060719 #11144A #1C227C #2730AE #3F48D4

Accessibility & contrast

On white

13.38

#1C227C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.57

#1C227C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #1C227C

13.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##1C227C	#FFFFFF	#000000	##FFFFFF
##1C227C	1.00	13.38	1.57	13.38
#FFFFFF	13.38	1.00	21.00	1.00
#000000	1.57	21.00	1.00	21.00
##FFFFFF	13.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00347F

Deuteranopia (green-blind)

#002A7A

Tritanopia (blue-blind)

#003B4C

Achromatopsia (no color)

#2F2F2F

Design tokens & code

CSS

--color: #1c227c;
/* rgb */ color: rgb(28, 34, 124);
/* oklch */ color: oklch(31.8% 0.149 271.5);

Tailwind

colors: {
  custom: {
    50: '#695da3',
    500: '#1c227c',
    950: '#000000',
  },
}

SCSS

$custom: #1c227c;
$custom-light: #695da3;
$custom-dark: #000000;

JSON

{
  "hex": "#1c227c",
  "rgb": {
    "r": 28,
    "g": 34,
    "b": 124
  },
  "hsl": {
    "h": 236.25,
    "s": 63.158,
    "l": 29.804
  },
  "oklch": {
    "l": 0.31799,
    "c": 0.14884,
    "h": 271.5
  },
  "luminance": 0.02846
}

Semantic roles & 50–950 ramp

primary

#1C227C

secondary

#B0A944

accent

#DC42E6

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #1C227C

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

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