#121C44#121C44

#121C44 is a very dark, moderate blue. Relative luminance 0.014; OKLCH L 24.4% C 0.076 H 269.4°. Best body text is #FFFFFF at 16.47:1 contrast (WCAG AA passes).

Color values

HEX	#121C44
RGB	rgb(18, 28, 68)
HSL	hsl(228, 58%, 17%)
HSV	hsv(228, 74%, 27%)
CMYK	cmyk(73.5%, 58.8%, 0%, 73.3%)
CIE-LAB	lab(11.80, 11.13, -26.64)
CIE-LCH	lch(11.80, 28.87, 292.68°)
OKLab	oklab(24.38% -0.0008 -0.0765)
OKLCH	oklch(24.38% 0.076 269.4)
XYZ	xyz(1.7077, 1.3763, 5.6434)
Luminance	0.0138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C44 #443A12

analogous

#123544 #121C44 #211244

triadic

#121C44 #44121C #1C4412

tetradic

#121C44 #441235 #443A12 #124421

square

#121C44 #441235 #443A12 #124421

split-complementary

#121C44 #442112 #354412

monochromatic

#060A18 #060A18 #121C44 #1F3074 #2C44A5

Accessibility & contrast

On white

16.47

#121C44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#121C44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C44

16.47:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C44	#FFFFFF	#000000	##FFFFFF
##121C44	1.00	16.47	1.28	16.47
#FFFFFF	16.47	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.47	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#042145

Deuteranopia (green-blind)

#001D43

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121c44;
/* rgb */ color: rgb(18, 28, 68);
/* oklch */ color: oklch(24.4% 0.076 269.4);

Tailwind

colors: {
  custom: {
    50: '#575778',
    500: '#121c44',
    950: '#000000',
  },
}

SCSS

$custom: #121c44;
$custom-light: #575778;
$custom-dark: #000000;

JSON

{
  "hex": "#121c44",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 68
  },
  "hsl": {
    "h": 228,
    "s": 58.14,
    "l": 16.863
  },
  "oklch": {
    "l": 0.2438,
    "c": 0.07647,
    "h": 269.4
  },
  "luminance": 0.01376
}

Semantic roles & 50–950 ramp

primary

#121C44

secondary

#7D6F35

accent

#C246E1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #121C44

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

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