#121F56#121F56

#121F56 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.7% C 0.101 H 268.5°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#121F56
RGB	rgb(18, 31, 86)
HSL	hsl(229, 65%, 20%)
HSV	hsv(229, 79%, 34%)
CMYK	cmyk(79.1%, 64%, 0%, 66.3%)
CIE-LAB	lab(14.29, 16.51, -34.96)
CIE-LCH	lch(14.29, 38.66, 295.28°)
OKLab	oklab(26.74% -0.0027 -0.1009)
OKLCH	oklch(26.74% 0.101 268.5)
XYZ	xyz(2.4186, 1.7802, 9.0184)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F56 #564912

analogous

#124156 #121F56 #271256

triadic

#121F56 #56121F #1F5612

tetradic

#121F56 #561241 #564912 #125627

square

#121F56 #561241 #564912 #125627

split-complementary

#121F56 #562712 #415612

monochromatic

#050919 #070D23 #121F56 #1D3189 #2743BB

Accessibility & contrast

On white

15.49

#121F56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#121F56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F56

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F56	#FFFFFF	#000000	##FFFFFF
##121F56	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002758

Deuteranopia (green-blind)

#002155

Tritanopia (blue-blind)

#002D37

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #121f56;
/* rgb */ color: rgb(18, 31, 86);
/* oklch */ color: oklch(26.7% 0.101 268.5);

Tailwind

colors: {
  custom: {
    50: '#5b5a86',
    500: '#121f56',
    950: '#000000',
  },
}

SCSS

$custom: #121f56;
$custom-light: #5b5a86;
$custom-dark: #000000;

JSON

{
  "hex": "#121f56",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 86
  },
  "hsl": {
    "h": 228.529,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.26742,
    "c": 0.10092,
    "h": 268.5
  },
  "luminance": 0.0178
}

Semantic roles & 50–950 ramp

primary

#121F56

secondary

#8F7E35

accent

#C83FE8

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121F56

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

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