#121E73#121E73

#121E73 is a dark, vivid blue. Relative luminance 0.023; OKLCH L 29.6% C 0.144 H 268.5°. Best body text is #FFFFFF at 14.39:1 contrast (WCAG AA passes).

Color values

HEX	#121E73
RGB	rgb(18, 30, 115)
HSL	hsl(233, 73%, 26%)
HSV	hsv(233, 84%, 45%)
CMYK	cmyk(84.3%, 73.9%, 0%, 54.9%)
CIE-LAB	lab(16.96, 29.00, -49.71)
CIE-LCH	lch(16.96, 57.55, 300.26°)
OKLab	oklab(29.6% -0.0037 -0.144)
OKLCH	oklch(29.6% 0.144 268.5)
XYZ	xyz(3.8072, 2.2945, 16.4586)
Luminance	0.0230 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E73 #736712

analogous

#124E73 #121E73 #361273

triadic

#121E73 #73121E #1E7312

tetradic

#121E73 #73124E #736712 #127336

square

#121E73 #73124E #736712 #127336

split-complementary

#121E73 #733612 #4E7312

monochromatic

#04071A #0A103E #121E73 #1A2CA8 #233ADD

Accessibility & contrast

On white

14.39

#121E73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.46

#121E73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E73

14.39:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E73	#FFFFFF	#000000	##FFFFFF
##121E73	1.00	14.39	1.46	14.39
#FFFFFF	14.39	1.00	21.00	1.00
#000000	1.46	21.00	1.00	21.00
##FFFFFF	14.39	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002F76

Deuteranopia (green-blind)

#002571

Tritanopia (blue-blind)

#003646

Achromatopsia (no color)

#2A2A2A

Design tokens & code

CSS

--color: #121e73;
/* rgb */ color: rgb(18, 30, 115);
/* oklch */ color: oklch(29.6% 0.144 268.5);

Tailwind

colors: {
  custom: {
    50: '#645a9c',
    500: '#121e73',
    950: '#000000',
  },
}

SCSS

$custom: #121e73;
$custom-light: #645a9c;
$custom-dark: #000000;

JSON

{
  "hex": "#121e73",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 115
  },
  "hsl": {
    "h": 232.577,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29598,
    "c": 0.14407,
    "h": 268.5
  },
  "luminance": 0.02295
}

Semantic roles & 50–950 ramp

primary

#121E73

secondary

#AA9C37

accent

#D938F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06040E

muted

#7A797E

Preview Lab

Preview with #121E73

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

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