#121F54#121F54

#121F54 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.6% C 0.098 H 268.4°. Best body text is #FFFFFF at 15.56:1 contrast (WCAG AA passes).

Color values

HEX	#121F54
RGB	rgb(18, 31, 84)
HSL	hsl(228, 65%, 20%)
HSV	hsv(228, 79%, 33%)
CMYK	cmyk(78.6%, 63.1%, 0%, 67.1%)
CIE-LAB	lab(14.11, 15.66, -33.90)
CIE-LCH	lch(14.11, 37.35, 294.80°)
OKLab	oklab(26.55% -0.0027 -0.0978)
OKLCH	oklch(26.55% 0.098 268.4)
XYZ	xyz(2.3391, 1.7484, 8.6000)
Luminance	0.0175 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F54 #544712

analogous

#124054 #121F54 #261254

triadic

#121F54 #54121F #1F5412

tetradic

#121F54 #541240 #544712 #125426

square

#121F54 #541240 #544712 #125426

split-complementary

#121F54 #542612 #405412

monochromatic

#050919 #070C22 #121F54 #1D3286 #2844B9

Accessibility & contrast

On white

15.56

#121F54 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.35

#121F54 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F54

15.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F54	#FFFFFF	#000000	##FFFFFF
##121F54	1.00	15.56	1.35	15.56
#FFFFFF	15.56	1.00	21.00	1.00
#000000	1.35	21.00	1.00	21.00
##FFFFFF	15.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002756

Deuteranopia (green-blind)

#002153

Tritanopia (blue-blind)

#002C36

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #121f54;
/* rgb */ color: rgb(18, 31, 84);
/* oklch */ color: oklch(26.6% 0.098 268.4);

Tailwind

colors: {
  custom: {
    50: '#5b5a85',
    500: '#121f54',
    950: '#000000',
  },
}

SCSS

$custom: #121f54;
$custom-light: #5b5a85;
$custom-dark: #000000;

JSON

{
  "hex": "#121f54",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 84
  },
  "hsl": {
    "h": 228.182,
    "s": 64.706,
    "l": 20
  },
  "oklch": {
    "l": 0.2655,
    "c": 0.09782,
    "h": 268.4
  },
  "luminance": 0.01749
}

Semantic roles & 50–950 ramp

primary

#121F54

secondary

#8D7C35

accent

#C740E8

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121F54

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

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