#121E5C#121E5C

#121E5C is a dark, moderate blue. Relative luminance 0.018; OKLCH L 27.1% C 0.111 H 269.0°. Best body text is #FFFFFF at 15.37:1 contrast (WCAG AA passes).

Color values

HEX	#121E5C
RGB	rgb(18, 30, 92)
HSL	hsl(230, 67%, 22%)
HSV	hsv(230, 80%, 36%)
CMYK	cmyk(80.4%, 67.4%, 0%, 63.9%)
CIE-LAB	lab(14.57, 19.76, -38.54)
CIE-LCH	lch(14.57, 43.31, 297.15°)
OKLab	oklab(27.12% -0.002 -0.1114)
OKLCH	oklch(27.12% 0.111 269)
XYZ	xyz(2.6448, 1.8296, 10.3369)
Luminance	0.0183 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E5C #5C5012

analogous

#12435C #121E5C #2B125C

triadic

#121E5C #5C121E #1E5C12

tetradic

#121E5C #5C1243 #5C5012 #125C2B

square

#121E5C #5C1243 #5C5012 #125C2B

split-complementary

#121E5C #5C2B12 #435C12

monochromatic

#05081A #080D29 #121E5C #1C2F8F #263FC2

Accessibility & contrast

On white

15.37

#121E5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#121E5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E5C

15.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E5C	#FFFFFF	#000000	##FFFFFF
##121E5C	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)

#00285E

Deuteranopia (green-blind)

#00215B

Tritanopia (blue-blind)

#002E39

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #121e5c;
/* rgb */ color: rgb(18, 30, 92);
/* oklch */ color: oklch(27.1% 0.111 269.0);

Tailwind

colors: {
  custom: {
    50: '#5d598b',
    500: '#121e5c',
    950: '#000000',
  },
}

SCSS

$custom: #121e5c;
$custom-light: #5d598b;
$custom-dark: #000000;

JSON

{
  "hex": "#121e5c",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 92
  },
  "hsl": {
    "h": 230.27,
    "s": 67.273,
    "l": 21.569
  },
  "oklch": {
    "l": 0.27123,
    "c": 0.11141,
    "h": 269
  },
  "luminance": 0.0183
}

Semantic roles & 50–950 ramp

primary

#121E5C

secondary

#948535

accent

#CE3EEA

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #121E5C

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

Preview Lab → · Contrast checker → · Palette generator →