#121F72#121F72

#121F72 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.7% C 0.142 H 268.3°. Best body text is #FFFFFF at 14.34:1 contrast (WCAG AA passes).

Color values

HEX	#121F72
RGB	rgb(18, 31, 114)
HSL	hsl(232, 73%, 26%)
HSV	hsv(232, 84%, 45%)
CMYK	cmyk(84.2%, 72.8%, 0%, 55.3%)
CIE-LAB	lab(17.10, 27.94, -48.84)
CIE-LCH	lch(17.10, 56.26, 299.77°)
OKLab	oklab(29.66% -0.0041 -0.1415)
OKLCH	oklch(29.66% 0.142 268.3)
XYZ	xyz(3.7757, 2.3230, 16.1657)
Luminance	0.0232 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F72 #726512

analogous

#124F72 #121F72 #351272

triadic

#121F72 #72121F #1F7212

tetradic

#121F72 #72124F #726512 #127235

square

#121F72 #72124F #726512 #127235

split-complementary

#121F72 #723512 #4F7212

monochromatic

#04071A #0A113D #121F72 #1A2DA7 #233CDC

Accessibility & contrast

On white

14.34

#121F72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#121F72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F72

14.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F72	#FFFFFF	#000000	##FFFFFF
##121F72	1.00	14.34	1.46	14.34
#FFFFFF	14.34	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F75

Deuteranopia (green-blind)

#002570

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #121f72;
/* rgb */ color: rgb(18, 31, 114);
/* oklch */ color: oklch(29.7% 0.142 268.3);

Tailwind

colors: {
  custom: {
    50: '#645b9b',
    500: '#121f72',
    950: '#000000',
  },
}

SCSS

$custom: #121f72;
$custom-light: #645b9b;
$custom-dark: #000000;

JSON

{
  "hex": "#121f72",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 114
  },
  "hsl": {
    "h": 231.875,
    "s": 72.727,
    "l": 25.882
  },
  "oklch": {
    "l": 0.29663,
    "c": 0.14154,
    "h": 268.3
  },
  "luminance": 0.02323
}

Semantic roles & 50–950 ramp

primary

#121F72

secondary

#A99937

accent

#D738EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #121F72

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

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