#12233E#12233E

#12233E is a dark, muted blue. Relative luminance 0.017; OKLCH L 25.7% C 0.056 H 259.3°. Best body text is #FFFFFF at 15.72:1 contrast (WCAG AA passes).

Color values

HEX	#12233E
RGB	rgb(18, 35, 62)
HSL	hsl(217, 55%, 16%)
HSV	hsv(217, 71%, 24%)
CMYK	cmyk(71%, 43.5%, 0%, 75.7%)
CIE-LAB	lab(13.70, 3.25, -19.40)
CIE-LCH	lch(13.70, 19.67, 279.51°)
OKLab	oklab(25.7% -0.0104 -0.0551)
OKLCH	oklch(25.7% 0.056 259.3)
XYZ	xyz(1.7197, 1.6783, 4.7898)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#12233E #3E2D12

analogous

#12393E #12233E #17123E

triadic

#12233E #3E1223 #233E12

tetradic

#12233E #3E1239 #3E2D12 #123E17

square

#12233E #3E1239 #3E2D12 #123E17

split-complementary

#12233E #3E1712 #393E12

monochromatic

#070D18 #070D18 #12233E #203E6D #2E599D

Accessibility & contrast

On white

15.72

#12233E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#12233E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #12233E

15.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##12233E	#FFFFFF	#000000	##FFFFFF
##12233E	1.00	15.72	1.34	15.72
#FFFFFF	15.72	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#17253F

Deuteranopia (green-blind)

#11213D

Tritanopia (blue-blind)

#00292D

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #12233e;
/* rgb */ color: rgb(18, 35, 62);
/* oklch */ color: oklch(25.7% 0.056 259.3);

Tailwind

colors: {
  custom: {
    50: '#555d73',
    500: '#12233e',
    950: '#000000',
  },
}

SCSS

$custom: #12233e;
$custom-light: #555d73;
$custom-dark: #000000;

JSON

{
  "hex": "#12233e",
  "rgb": {
    "r": 18,
    "g": 35,
    "b": 62
  },
  "hsl": {
    "h": 216.818,
    "s": 55,
    "l": 15.686
  },
  "oklch": {
    "l": 0.25695,
    "c": 0.05606,
    "h": 259.3
  },
  "luminance": 0.01678
}

Semantic roles & 50–950 ramp

primary

#12233E

secondary

#775D35

accent

#A549DE

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030408

muted

#78797B

Preview Lab

Preview with #12233E

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

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