#121A73#121A73

#121A73 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.9% C 0.149 H 269.2°. Best body text is #FFFFFF at 14.78:1 contrast (WCAG AA passes).

Color values

HEX	#121A73
RGB	rgb(18, 26, 115)
HSL	hsl(235, 73%, 26%)
HSV	hsv(235, 84%, 45%)
CMYK	cmyk(84.3%, 77.4%, 0%, 54.9%)
CIE-LAB	lab(16.03, 31.59, -51.25)
CIE-LCH	lch(16.03, 60.20, 301.65°)
OKLab	oklab(28.93% -0.0021 -0.1485)
OKLCH	oklch(28.93% 0.149 269.2)
XYZ	xyz(3.7123, 2.1048, 16.4269)
Luminance	0.0210 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A73 #736B12

analogous

#124A73 #121A73 #3A1273

triadic

#121A73 #73121A #1A7312

tetradic

#121A73 #73124A #736B12 #12733A

square

#121A73 #73124A #736B12 #12733A

split-complementary

#121A73 #733A12 #4A7312

monochromatic

#04061A #0A0E3E #121A73 #1A26A8 #2332DD

Accessibility & contrast

On white

14.78

#121A73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#121A73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A73

14.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A73	#FFFFFF	#000000	##FFFFFF
##121A73	1.00	14.78	1.42	14.78
#FFFFFF	14.78	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D76

Deuteranopia (green-blind)

#002371

Tritanopia (blue-blind)

#003445

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #121a73;
/* rgb */ color: rgb(18, 26, 115);
/* oklch */ color: oklch(28.9% 0.149 269.2);

Tailwind

colors: {
  custom: {
    50: '#64579c',
    500: '#121a73',
    950: '#000000',
  },
}

SCSS

$custom: #121a73;
$custom-light: #64579c;
$custom-dark: #000000;

JSON

{
  "hex": "#121a73",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 115
  },
  "hsl": {
    "h": 235.052,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.28927,
    "c": 0.14851,
    "h": 269.2
  },
  "luminance": 0.02105
}

Semantic roles & 50–950 ramp

primary

#121A73

secondary

#AAA037

accent

#E038F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #121A73

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

Preview Lab → · Contrast checker → · Palette generator →