#121B64#121B64

#121B64 is a dark, vivid blue. Relative luminance 0.018; OKLCH L 27.4% C 0.127 H 269.7°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#121B64
RGB	rgb(18, 27, 100)
HSL	hsl(233, 69%, 23%)
HSV	hsv(233, 82%, 39%)
CMYK	cmyk(82%, 73%, 0%, 60.8%)
CIE-LAB	lab(14.58, 25.15, -43.83)
CIE-LCH	lch(14.58, 50.54, 299.85°)
OKLab	oklab(27.39% -0.0006 -0.1269)
OKLCH	oklch(27.39% 0.127 269.7)
XYZ	xyz(2.9408, 1.8322, 12.2528)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B64 #645B12

analogous

#124464 #121B64 #321264

triadic

#121B64 #64121B #1B6412

tetradic

#121B64 #641244 #645B12 #126432

square

#121B64 #641244 #645B12 #126432

split-complementary

#121B64 #643212 #446412

monochromatic

#05071A #090D30 #121B64 #1B2998 #2537CC

Accessibility & contrast

On white

15.37

#121B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#121B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B64

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B64	#FFFFFF	#000000	##FFFFFF
##121B64	1.00	15.37	1.37	15.37
#FFFFFF	15.37	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002966

Deuteranopia (green-blind)

#002163

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #121b64;
/* rgb */ color: rgb(18, 27, 100);
/* oklch */ color: oklch(27.4% 0.127 269.7);

Tailwind

colors: {
  custom: {
    50: '#605791',
    500: '#121b64',
    950: '#000000',
  },
}

SCSS

$custom: #121b64;
$custom-light: #605791;
$custom-dark: #000000;

JSON

{
  "hex": "#121b64",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 100
  },
  "hsl": {
    "h": 233.415,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.27385,
    "c": 0.1269,
    "h": 269.7
  },
  "luminance": 0.01833
}

Semantic roles & 50–950 ramp

primary

#121B64

secondary

#9C9136

accent

#D93BEC

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05030D

muted

#79787E

Preview Lab

Preview with #121B64

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

Preview Lab → · Contrast checker → · Palette generator →