#121B73#121B73

#121B73 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 29.1% C 0.147 H 269.0°. Best body text is #FFFFFF at 14.69:1 contrast (WCAG AA passes).

Color values

HEX	#121B73
RGB	rgb(18, 27, 115)
HSL	hsl(234, 73%, 26%)
HSV	hsv(234, 84%, 45%)
CMYK	cmyk(84.3%, 76.5%, 0%, 54.9%)
CIE-LAB	lab(16.25, 30.96, -50.88)
CIE-LCH	lch(16.25, 59.55, 301.32°)
OKLab	oklab(29.09% -0.0025 -0.1474)
OKLCH	oklch(29.09% 0.147 269)
XYZ	xyz(3.7348, 2.1498, 16.4344)
Luminance	0.0215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B73 #736A12

analogous

#124B73 #121B73 #391273

triadic

#121B73 #73121B #1B7312

tetradic

#121B73 #73124B #736A12 #127339

square

#121B73 #73124B #736A12 #127339

split-complementary

#121B73 #733912 #4B7312

monochromatic

#04061A #0A0F3E #121B73 #1A27A8 #2334DD

Accessibility & contrast

On white

14.69

#121B73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#121B73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B73

14.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B73	#FFFFFF	#000000	##FFFFFF
##121B73	1.00	14.69	1.43	14.69
#FFFFFF	14.69	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002D76

Deuteranopia (green-blind)

#002371

Tritanopia (blue-blind)

#003545

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #121b73;
/* rgb */ color: rgb(18, 27, 115);
/* oklch */ color: oklch(29.1% 0.147 269.0);

Tailwind

colors: {
  custom: {
    50: '#64589c',
    500: '#121b73',
    950: '#000000',
  },
}

SCSS

$custom: #121b73;
$custom-light: #64589c;
$custom-dark: #000000;

JSON

{
  "hex": "#121b73",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 115
  },
  "hsl": {
    "h": 234.433,
    "s": 72.932,
    "l": 26.078
  },
  "oklch": {
    "l": 0.29089,
    "c": 0.14743,
    "h": 269
  },
  "luminance": 0.0215
}

Semantic roles & 50–950 ramp

primary

#121B73

secondary

#AA9F37

accent

#DF38F0

background

#F6F5F9

surface

#EBE9F2

border

#C6C5CC

text

#07030E

muted

#7A787E

Preview Lab

Preview with #121B73

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

Preview Lab → · Contrast checker → · Palette generator →