#121C41#121C41

#121C41 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.071 H 269.1°. Best body text is #FFFFFF at 16.56:1 contrast (WCAG AA passes).

Color values

HEX	#121C41
RGB	rgb(18, 28, 65)
HSL	hsl(227, 57%, 16%)
HSV	hsv(227, 72%, 25%)
CMYK	cmyk(72.3%, 56.9%, 0%, 74.5%)
CIE-LAB	lab(11.56, 9.86, -24.93)
CIE-LCH	lch(11.56, 26.81, 291.58°)
OKLab	oklab(24.12% -0.0011 -0.0714)
OKLCH	oklch(24.12% 0.071 269.1)
XYZ	xyz(1.6185, 1.3406, 5.1735)
Luminance	0.0134 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C41 #413712

analogous

#123441 #121C41 #201241

triadic

#121C41 #41121C #1C4112

tetradic

#121C41 #411234 #413712 #124120

square

#121C41 #411234 #413712 #124120

split-complementary

#121C41 #412012 #344112

monochromatic

#070A18 #070A18 #121C41 #1F3171 #2D45A1

Accessibility & contrast

On white

16.56

#121C41 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121C41 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C41

16.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C41	#FFFFFF	#000000	##FFFFFF
##121C41	1.00	16.56	1.27	16.56
#FFFFFF	16.56	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#082142

Deuteranopia (green-blind)

#011D40

Tritanopia (blue-blind)

#00252B

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121c41;
/* rgb */ color: rgb(18, 28, 65);
/* oklch */ color: oklch(24.1% 0.071 269.1);

Tailwind

colors: {
  custom: {
    50: '#565776',
    500: '#121c41',
    950: '#000000',
  },
}

SCSS

$custom: #121c41;
$custom-light: #565776;
$custom-dark: #000000;

JSON

{
  "hex": "#121c41",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 65
  },
  "hsl": {
    "h": 227.234,
    "s": 56.627,
    "l": 16.275
  },
  "oklch": {
    "l": 0.24119,
    "c": 0.07144,
    "h": 269.1
  },
  "luminance": 0.01341
}

Semantic roles & 50–950 ramp

primary

#121C41

secondary

#7A6B35

accent

#C048E0

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #121C41

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

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