#121B68#121B68

#121B68 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.8% C 0.133 H 269.5°. Best body text is #FFFFFF at 15.19:1 contrast (WCAG AA passes).

Color values

HEX	#121B68
RGB	rgb(18, 27, 104)
HSL	hsl(234, 70%, 24%)
HSV	hsv(234, 83%, 41%)
CMYK	cmyk(82.7%, 74%, 0%, 59.2%)
CIE-LAB	lab(15.02, 26.73, -45.75)
CIE-LCH	lch(15.02, 52.99, 300.30°)
OKLab	oklab(27.83% -0.001 -0.1325)
OKLCH	oklch(27.83% 0.133 269.5)
XYZ	xyz(3.1392, 1.9116, 13.2975)
Luminance	0.0191 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B68 #685F12

analogous

#124668 #121B68 #341268

triadic

#121B68 #68121B #1B6812

tetradic

#121B68 #681246 #685F12 #126834

square

#121B68 #681246 #685F12 #126834

split-complementary

#121B68 #683412 #466812

monochromatic

#05071A #090D34 #121B68 #1B299C #2436D0

Accessibility & contrast

On white

15.19

#121B68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#121B68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B68

15.19:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B68	#FFFFFF	#000000	##FFFFFF
##121B68	1.00	15.19	1.38	15.19
#FFFFFF	15.19	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.19	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002A6A

Deuteranopia (green-blind)

#002267

Tritanopia (blue-blind)

#00313F

Achromatopsia (no color)

#262626

Design tokens & code

CSS

--color: #121b68;
/* rgb */ color: rgb(18, 27, 104);
/* oklch */ color: oklch(27.8% 0.133 269.5);

Tailwind

colors: {
  custom: {
    50: '#615794',
    500: '#121b68',
    950: '#000000',
  },
}

SCSS

$custom: #121b68;
$custom-light: #615794;
$custom-dark: #000000;

JSON

{
  "hex": "#121b68",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 104
  },
  "hsl": {
    "h": 233.721,
    "s": 70.492,
    "l": 23.922
  },
  "oklch": {
    "l": 0.27831,
    "c": 0.1325,
    "h": 269.5
  },
  "luminance": 0.01912
}

Semantic roles & 50–950 ramp

primary

#121B68

secondary

#A09536

accent

#DB3BED

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06030D

muted

#7A787E

Preview Lab

Preview with #121B68

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

Preview Lab → · Contrast checker → · Palette generator →