#121E5D#121E5D

#121E5D is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.2% C 0.113 H 269.0°. Best body text is #FFFFFF at 15.34:1 contrast (WCAG AA passes).

Color values

HEX	#121E5D
RGB	rgb(18, 30, 93)
HSL	hsl(230, 68%, 22%)
HSV	hsv(230, 81%, 36%)
CMYK	cmyk(80.6%, 67.7%, 0%, 63.5%)
CIE-LAB	lab(14.66, 20.18, -39.05)
CIE-LCH	lch(14.66, 43.95, 297.33°)
OKLab	oklab(27.23% -0.002 -0.1129)
OKLCH	oklch(27.23% 0.113 269)
XYZ	xyz(2.6888, 1.8472, 10.5686)
Luminance	0.0185 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E5D #5D5112

analogous

#12445D #121E5D #2C125D

triadic

#121E5D #5D121E #1E5D12

tetradic

#121E5D #5D1244 #5D5112 #125D2C

square

#121E5D #5D1244 #5D5112 #125D2C

split-complementary

#121E5D #5D2C12 #445D12

monochromatic

#05081A #080D2A #121E5D #1C2F90 #263FC4

Accessibility & contrast

On white

15.34

#121E5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#121E5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E5D

15.34:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E5D	#FFFFFF	#000000	##FFFFFF
##121E5D	1.00	15.34	1.37	15.34
#FFFFFF	15.34	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.34	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00295F

Deuteranopia (green-blind)

#00225C

Tritanopia (blue-blind)

#002E3A

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #121e5d;
/* rgb */ color: rgb(18, 30, 93);
/* oklch */ color: oklch(27.2% 0.113 269.0);

Tailwind

colors: {
  custom: {
    50: '#5d598c',
    500: '#121e5d',
    950: '#000000',
  },
}

SCSS

$custom: #121e5d;
$custom-light: #5d598c;
$custom-dark: #000000;

JSON

{
  "hex": "#121e5d",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 93
  },
  "hsl": {
    "h": 230.4,
    "s": 67.568,
    "l": 21.765
  },
  "oklch": {
    "l": 0.27225,
    "c": 0.1129,
    "h": 269
  },
  "luminance": 0.01847
}

Semantic roles & 50–950 ramp

primary

#121E5D

secondary

#958635

accent

#CF3DEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #121E5D

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

Preview Lab → · Contrast checker → · Palette generator →