#12233F#12233F

#12233F is a dark, muted blue. Relative luminance 0.017; OKLCH L 25.8% C 0.058 H 259.9°. Best body text is #FFFFFF at 15.70:1 contrast (WCAG AA passes).

Color values

HEX	#12233F
RGB	rgb(18, 35, 63)
HSL	hsl(217, 56%, 16%)
HSV	hsv(217, 71%, 25%)
CMYK	cmyk(71.4%, 44.4%, 0%, 75.3%)
CIE-LAB	lab(13.76, 3.67, -19.99)
CIE-LCH	lch(13.76, 20.33, 280.39°)
OKLab	oklab(25.77% -0.0101 -0.0568)
OKLCH	oklch(25.77% 0.058 259.9)
XYZ	xyz(1.7474, 1.6894, 4.9357)
Luminance	0.0169 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12233F #3F2E12

analogous

#12393F #12233F #17123F

triadic

#12233F #3F1223 #233F12

tetradic

#12233F #3F1239 #3F2E12 #123F17

square

#12233F #3F1239 #3F2E12 #123F17

split-complementary

#12233F #3F1712 #393F12

monochromatic

#070D18 #070D18 #12233F #203D6F #2D589E

Accessibility & contrast

On white

15.70

#12233F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#12233F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12233F

15.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12233F	#FFFFFF	#000000	##FFFFFF
##12233F	1.00	15.70	1.34	15.70
#FFFFFF	15.70	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172540

Deuteranopia (green-blind)

#10213E

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #12233f;
/* rgb */ color: rgb(18, 35, 63);
/* oklch */ color: oklch(25.8% 0.058 259.9);

Tailwind

colors: {
  custom: {
    50: '#555d74',
    500: '#12233f',
    950: '#000000',
  },
}

SCSS

$custom: #12233f;
$custom-light: #555d74;
$custom-dark: #000000;

JSON

{
  "hex": "#12233f",
  "rgb": {
    "r": 18,
    "g": 35,
    "b": 63
  },
  "hsl": {
    "h": 217.333,
    "s": 55.556,
    "l": 15.882
  },
  "oklch": {
    "l": 0.25767,
    "c": 0.05772,
    "h": 259.9
  },
  "luminance": 0.0169
}

Semantic roles & 50–950 ramp

primary

#12233F

secondary

#785F35

accent

#A649DF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #12233F

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

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