#121C54#121C54

#121C54 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.102 H 269.9°. Best body text is #FFFFFF at 15.91:1 contrast (WCAG AA passes).

Color values

HEX	#121C54
RGB	rgb(18, 28, 84)
HSL	hsl(231, 65%, 20%)
HSV	hsv(231, 79%, 33%)
CMYK	cmyk(78.6%, 66.7%, 0%, 67.1%)
CIE-LAB	lab(13.22, 17.91, -35.34)
CIE-LCH	lch(13.22, 39.62, 296.87°)
OKLab	oklab(25.89% -0.0002 -0.102)
OKLCH	oklch(25.89% 0.102 269.9)
XYZ	xyz(2.2644, 1.5990, 8.5751)
Luminance	0.0160 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C54 #544A12

analogous

#123D54 #121C54 #291254

triadic

#121C54 #54121C #1C5412

tetradic

#121C54 #54123D #544A12 #125429

square

#121C54 #54123D #544A12 #125429

split-complementary

#121C54 #542912 #3D5412

monochromatic

#050819 #070B22 #121C54 #1D2D86 #283EB9

Accessibility & contrast

On white

15.91

#121C54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#121C54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C54

15.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C54	#FFFFFF	#000000	##FFFFFF
##121C54	1.00	15.91	1.32	15.91
#FFFFFF	15.91	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002556

Deuteranopia (green-blind)

#001F53

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #121c54;
/* rgb */ color: rgb(18, 28, 84);
/* oklch */ color: oklch(25.9% 0.102 269.9);

Tailwind

colors: {
  custom: {
    50: '#5b5785',
    500: '#121c54',
    950: '#000000',
  },
}

SCSS

$custom: #121c54;
$custom-light: #5b5785;
$custom-dark: #000000;

JSON

{
  "hex": "#121c54",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 84
  },
  "hsl": {
    "h": 230.909,
    "s": 64.706,
    "l": 20
  },
  "oklch": {
    "l": 0.25893,
    "c": 0.10205,
    "h": 269.9
  },
  "luminance": 0.01599
}

Semantic roles & 50–950 ramp

primary

#121C54

secondary

#8D7F35

accent

#CE40E8

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121C54

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

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