#12233C#12233C

#12233C is a dark, muted blue. Relative luminance 0.017; OKLCH L 25.6% C 0.053 H 257.9°. Best body text is #FFFFFF at 15.77:1 contrast (WCAG AA passes).

Color values

HEX	#12233C
RGB	rgb(18, 35, 60)
HSL	hsl(216, 54%, 15%)
HSV	hsv(216, 70%, 24%)
CMYK	cmyk(70%, 41.7%, 0%, 76.5%)
CIE-LAB	lab(13.57, 2.41, -18.19)
CIE-LCH	lch(13.57, 18.35, 277.55°)
OKLab	oklab(25.55% -0.011 -0.0516)
OKLCH	oklch(25.55% 0.053 257.9)
XYZ	xyz(1.6658, 1.6568, 4.5061)
Luminance	0.0166 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12233C #3C2B12

analogous

#12383C #12233C #16123C

triadic

#12233C #3C1223 #233C12

tetradic

#12233C #3C1238 #3C2B12 #123C16

square

#12233C #3C1238 #3C2B12 #123C16

split-complementary

#12233C #3C1612 #383C12

monochromatic

#070E18 #070E18 #12233C #203E6B #2E5A9A

Accessibility & contrast

On white

15.77

#12233C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#12233C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12233C

15.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12233C	#FFFFFF	#000000	##FFFFFF
##12233C	1.00	15.77	1.33	15.77
#FFFFFF	15.77	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#18253D

Deuteranopia (green-blind)

#13213B

Tritanopia (blue-blind)

#00292C

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #12233c;
/* rgb */ color: rgb(18, 35, 60);
/* oklch */ color: oklch(25.6% 0.053 257.9);

Tailwind

colors: {
  custom: {
    50: '#545d72',
    500: '#12233c',
    950: '#000000',
  },
}

SCSS

$custom: #12233c;
$custom-light: #545d72;
$custom-dark: #000000;

JSON

{
  "hex": "#12233c",
  "rgb": {
    "r": 18,
    "g": 35,
    "b": 60
  },
  "hsl": {
    "h": 215.714,
    "s": 53.846,
    "l": 15.294
  },
  "oklch": {
    "l": 0.25554,
    "c": 0.05272,
    "h": 257.9
  },
  "luminance": 0.01657
}

Semantic roles & 50–950 ramp

primary

#12233C

secondary

#755B35

accent

#A24BDD

background

#F5F5F6

surface

#E9E9EC

border

#C5C5C7

text

#030408

muted

#78797B

Preview Lab

Preview with #12233C

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

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