#121E5F#121E5F

#121E5F is a dark, moderate blue. Relative luminance 0.019; OKLCH L 27.4% C 0.116 H 269.0°. Best body text is #FFFFFF at 15.25:1 contrast (WCAG AA passes).

Color values

HEX	#121E5F
RGB	rgb(18, 30, 95)
HSL	hsl(231, 68%, 22%)
HSV	hsv(231, 81%, 37%)
CMYK	cmyk(81.1%, 68.4%, 0%, 62.7%)
CIE-LAB	lab(14.86, 21.00, -40.06)
CIE-LCH	lch(14.86, 45.23, 297.67°)
OKLab	oklab(27.43% -0.0021 -0.1158)
OKLCH	oklch(27.43% 0.116 269)
XYZ	xyz(2.7786, 1.8831, 11.0413)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E5F #5F5312

analogous

#12455F #121E5F #2C125F

triadic

#121E5F #5F121E #1E5F12

tetradic

#121E5F #5F1245 #5F5312 #125F2C

square

#121E5F #5F1245 #5F5312 #125F2C

split-complementary

#121E5F #5F2C12 #455F12

monochromatic

#05081A #080E2C #121E5F #1C2E92 #253EC6

Accessibility & contrast

On white

15.25

#121E5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#121E5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E5F

15.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E5F	#FFFFFF	#000000	##FFFFFF
##121E5F	1.00	15.25	1.38	15.25
#FFFFFF	15.25	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002961

Deuteranopia (green-blind)

#00225E

Tritanopia (blue-blind)

#002F3B

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #121e5f;
/* rgb */ color: rgb(18, 30, 95);
/* oklch */ color: oklch(27.4% 0.116 269.0);

Tailwind

colors: {
  custom: {
    50: '#5e598d',
    500: '#121e5f',
    950: '#000000',
  },
}

SCSS

$custom: #121e5f;
$custom-light: #5e598d;
$custom-dark: #000000;

JSON

{
  "hex": "#121e5f",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 95
  },
  "hsl": {
    "h": 230.649,
    "s": 68.142,
    "l": 22.157
  },
  "oklch": {
    "l": 0.27431,
    "c": 0.11586,
    "h": 269
  },
  "luminance": 0.01883
}

Semantic roles & 50–950 ramp

primary

#121E5F

secondary

#978836

accent

#D03DEB

background

#F5F5F8

surface

#EAE9F0

border

#C6C5CB

text

#05030C

muted

#79787D

Preview Lab

Preview with #121E5F

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

Preview Lab → · Contrast checker → · Palette generator →