#12227E#12227E

#12227E is a dark, vivid blue. Relative luminance 0.028; OKLCH L 31.5% C 0.154 H 267.5°. Best body text is #FFFFFF at 13.50:1 contrast (WCAG AA passes).

Color values

HEX	#12227E
RGB	rgb(18, 34, 126)
HSL	hsl(231, 75%, 28%)
HSV	hsv(231, 86%, 49%)
CMYK	cmyk(85.7%, 73%, 0%, 50.6%)
CIE-LAB	lab(19.13, 30.59, -53.17)
CIE-LCH	lch(19.13, 61.34, 299.91°)
OKLab	oklab(31.53% -0.0066 -0.1541)
OKLCH	oklch(31.53% 0.154 267.5)
XYZ	xyz(4.5861, 2.7785, 20.0292)
Luminance	0.0278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12227E #7E6E12

analogous

#12587E #12227E #38127E

triadic

#12227E #7E1222 #227E12

tetradic

#12227E #7E1258 #7E6E12 #127E38

square

#12227E #7E1258 #7E6E12 #127E38

split-complementary

#12227E #7E3812 #587E12

monochromatic

#04071B #0A1448 #12227E #1A30B4 #2A45E1

Accessibility & contrast

On white

13.50

#12227E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.56

#12227E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12227E

13.50:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12227E	#FFFFFF	#000000	##FFFFFF
##12227E	1.00	13.50	1.56	13.50
#FFFFFF	13.50	1.00	21.00	1.00
#000000	1.56	21.00	1.00	21.00
##FFFFFF	13.50	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003481

Deuteranopia (green-blind)

#00297C

Tritanopia (blue-blind)

#003C4D

Achromatopsia (no color)

#2E2E2E

Design tokens & code

CSS

--color: #12227e;
/* rgb */ color: rgb(18, 34, 126);
/* oklch */ color: oklch(31.5% 0.154 267.5);

Tailwind

colors: {
  custom: {
    50: '#675da4',
    500: '#12227e',
    950: '#000000',
  },
}

SCSS

$custom: #12227e;
$custom-light: #675da4;
$custom-dark: #000000;

JSON

{
  "hex": "#12227e",
  "rgb": {
    "r": 18,
    "g": 34,
    "b": 126
  },
  "hsl": {
    "h": 231.111,
    "s": 75,
    "l": 28.235
  },
  "oklch": {
    "l": 0.31525,
    "c": 0.15424,
    "h": 267.5
  },
  "luminance": 0.02779
}

Semantic roles & 50–950 ramp

primary

#12227E

secondary

#B4A138

accent

#D636F2

background

#F6F5FA

surface

#ECE9F4

border

#C7C5CE

text

#07040F

muted

#7A797F

Preview Lab

Preview with #12227E

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

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