#121C71#121C71

#121C71 is a dark, vivid blue. Relative luminance 0.022; OKLCH L 29.0% C 0.144 H 268.9°. Best body text is #FFFFFF at 14.68:1 contrast (WCAG AA passes).

Color values

HEX	#121C71
RGB	rgb(18, 28, 113)
HSL	hsl(234, 73%, 26%)
HSV	hsv(234, 84%, 44%)
CMYK	cmyk(84.1%, 75.2%, 0%, 55.7%)
CIE-LAB	lab(16.26, 29.55, -49.57)
CIE-LCH	lch(16.26, 57.71, 300.80°)
OKLab	oklab(29.03% -0.0026 -0.1436)
OKLCH	oklch(29.03% 0.144 268.9)
XYZ	xyz(3.6443, 2.1509, 15.8427)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C71 #716712

analogous

#124B71 #121C71 #371271

triadic

#121C71 #71121C #1C7112

tetradic

#121C71 #71124B #716712 #127137

square

#121C71 #71124B #716712 #127137

split-complementary

#121C71 #713712 #4B7112

monochromatic

#04071A #0A0F3C #121C71 #1A29A6 #2336DB

Accessibility & contrast

On white

14.68

#121C71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#121C71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C71

14.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C71	#FFFFFF	#000000	##FFFFFF
##121C71	1.00	14.68	1.43	14.68
#FFFFFF	14.68	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D74

Deuteranopia (green-blind)

#00246F

Tritanopia (blue-blind)

#003444

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #121c71;
/* rgb */ color: rgb(18, 28, 113);
/* oklch */ color: oklch(29.0% 0.144 268.9);

Tailwind

colors: {
  custom: {
    50: '#64589b',
    500: '#121c71',
    950: '#000000',
  },
}

SCSS

$custom: #121c71;
$custom-light: #64589b;
$custom-dark: #000000;

JSON

{
  "hex": "#121c71",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 113
  },
  "hsl": {
    "h": 233.684,
    "s": 72.519,
    "l": 25.686
  },
  "oklch": {
    "l": 0.29026,
    "c": 0.14364,
    "h": 268.9
  },
  "luminance": 0.02151
}

Semantic roles & 50–950 ramp

primary

#121C71

secondary

#A89C37

accent

#DC39EF

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#06030E

muted

#7A787E

Preview Lab

Preview with #121C71

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

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