#12223B#12223B

#12223B is a dark, muted blue. Relative luminance 0.016; OKLCH L 25.2% C 0.052 H 259.0°. Best body text is #FFFFFF at 15.94:1 contrast (WCAG AA passes).

Color values

HEX	#12223B
RGB	rgb(18, 34, 59)
HSL	hsl(217, 53%, 15%)
HSV	hsv(217, 69%, 23%)
CMYK	cmyk(69.5%, 42.4%, 0%, 76.9%)
CIE-LAB	lab(13.16, 2.74, -18.14)
CIE-LCH	lch(13.16, 18.35, 278.59°)
OKLab	oklab(25.21% -0.01 -0.0514)
OKLCH	oklch(25.21% 0.052 259)
XYZ	xyz(1.6106, 1.5883, 4.3585)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12223B #3B2B12

analogous

#12373B #12223B #16123B

triadic

#12223B #3B1222 #223B12

tetradic

#12223B #3B1237 #3B2B12 #123B16

square

#12223B #3B1237 #3B2B12 #123B16

split-complementary

#12223B #3B1612 #373B12

monochromatic

#070E17 #070E17 #12223B #203D6A #2F5899

Accessibility & contrast

On white

15.94

#12223B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#12223B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12223B

15.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12223B	#FFFFFF	#000000	##FFFFFF
##12223B	1.00	15.94	1.32	15.94
#FFFFFF	15.94	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17243C

Deuteranopia (green-blind)

#12203A

Tritanopia (blue-blind)

#00282B

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #12223b;
/* rgb */ color: rgb(18, 34, 59);
/* oklch */ color: oklch(25.2% 0.052 259.0);

Tailwind

colors: {
  custom: {
    50: '#545c71',
    500: '#12223b',
    950: '#000000',
  },
}

SCSS

$custom: #12223b;
$custom-light: #545c71;
$custom-dark: #000000;

JSON

{
  "hex": "#12223b",
  "rgb": {
    "r": 18,
    "g": 34,
    "b": 59
  },
  "hsl": {
    "h": 216.585,
    "s": 53.247,
    "l": 15.098
  },
  "oklch": {
    "l": 0.25212,
    "c": 0.05238,
    "h": 259
  },
  "luminance": 0.01588
}

Semantic roles & 50–950 ramp

primary

#12223B

secondary

#745B35

accent

#A44BDD

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030407

muted

#78797A

Preview Lab

Preview with #12223B

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

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