#121F68#121F68

#121F68 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.6% C 0.128 H 268.5°. Best body text is #FFFFFF at 14.77:1 contrast (WCAG AA passes).

Color values

HEX	#121F68
RGB	rgb(18, 31, 104)
HSL	hsl(231, 70%, 24%)
HSV	hsv(231, 83%, 41%)
CMYK	cmyk(82.7%, 70.2%, 0%, 59.2%)
CIE-LAB	lab(16.04, 23.96, -44.06)
CIE-LCH	lch(16.04, 50.16, 298.54°)
OKLab	oklab(28.58% -0.0032 -0.1276)
OKLCH	oklch(28.58% 0.128 268.5)
XYZ	xyz(3.2373, 2.1077, 13.3302)
Luminance	0.0211 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F68 #685B12

analogous

#124A68 #121F68 #301268

triadic

#121F68 #68121F #1F6812

tetradic

#121F68 #68124A #685B12 #126830

square

#121F68 #68124A #685B12 #126830

split-complementary

#121F68 #683012 #4A6812

monochromatic

#05081A #090F34 #121F68 #1B2F9C #243ED0

Accessibility & contrast

On white

14.77

#121F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.42

#121F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F68

14.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F68	#FFFFFF	#000000	##FFFFFF
##121F68	1.00	14.77	1.42	14.77
#FFFFFF	14.77	1.00	21.00	1.00
#000000	1.42	21.00	1.00	21.00
##FFFFFF	14.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002C6A

Deuteranopia (green-blind)

#002467

Tritanopia (blue-blind)

#003340

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #121f68;
/* rgb */ color: rgb(18, 31, 104);
/* oklch */ color: oklch(28.6% 0.128 268.5);

Tailwind

colors: {
  custom: {
    50: '#615a94',
    500: '#121f68',
    950: '#000000',
  },
}

SCSS

$custom: #121f68;
$custom-light: #615a94;
$custom-dark: #000000;

JSON

{
  "hex": "#121f68",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 104
  },
  "hsl": {
    "h": 230.93,
    "s": 70.492,
    "l": 23.922
  },
  "oklch": {
    "l": 0.28576,
    "c": 0.1276,
    "h": 268.5
  },
  "luminance": 0.02108
}

Semantic roles & 50–950 ramp

primary

#121F68

secondary

#A09036

accent

#D23BED

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#06040D

muted

#7A797E

Preview Lab

Preview with #121F68

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

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