#121A5E#121A5E

#121A5E is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.5% C 0.120 H 270.3°. Best body text is #FFFFFF at 15.73:1 contrast (WCAG AA passes).

Color values

HEX	#121A5E
RGB	rgb(18, 26, 94)
HSL	hsl(234, 68%, 22%)
HSV	hsv(234, 81%, 37%)
CMYK	cmyk(80.9%, 72.3%, 0%, 63.1%)
CIE-LAB	lab(13.68, 23.46, -41.32)
CIE-LCH	lch(13.68, 47.52, 299.58°)
OKLab	oklab(26.54% 0.0006 -0.1196)
OKLCH	oklch(26.54% 0.12 270.3)
XYZ	xyz(2.6385, 1.6753, 10.7718)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A5E #5E5612

analogous

#12405E #121A5E #30125E

triadic

#121A5E #5E121A #1A5E12

tetradic

#121A5E #5E1240 #5E5612 #125E30

square

#121A5E #5E1240 #5E5612 #125E30

split-complementary

#121A5E #5E3012 #405E12

monochromatic

#05071A #080C2B #121A5E #1C2891 #2636C5

Accessibility & contrast

On white

15.73

#121A5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#121A5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A5E

15.73:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A5E	#FFFFFF	#000000	##FFFFFF
##121A5E	1.00	15.73	1.34	15.73
#FFFFFF	15.73	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.73	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002760

Deuteranopia (green-blind)

#001F5D

Tritanopia (blue-blind)

#002C39

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #121a5e;
/* rgb */ color: rgb(18, 26, 94);
/* oklch */ color: oklch(26.5% 0.120 270.3);

Tailwind

colors: {
  custom: {
    50: '#5e568c',
    500: '#121a5e',
    950: '#000000',
  },
}

SCSS

$custom: #121a5e;
$custom-light: #5e568c;
$custom-dark: #000000;

JSON

{
  "hex": "#121a5e",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 94
  },
  "hsl": {
    "h": 233.684,
    "s": 67.857,
    "l": 21.961
  },
  "oklch": {
    "l": 0.26538,
    "c": 0.11958,
    "h": 270.3
  },
  "luminance": 0.01676
}

Semantic roles & 50–950 ramp

primary

#121A5E

secondary

#968C35

accent

#D83DEB

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #121A5E

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

Preview Lab → · Contrast checker → · Palette generator →