#121F66#121F66

#121F66 is a dark, vivid blue. Relative luminance 0.021; OKLCH L 28.4% C 0.125 H 268.6°. Best body text is #FFFFFF at 14.86:1 contrast (WCAG AA passes).

Color values

HEX	#121F66
RGB	rgb(18, 31, 102)
HSL	hsl(231, 70%, 24%)
HSV	hsv(231, 82%, 40%)
CMYK	cmyk(82.4%, 69.6%, 0%, 60%)
CIE-LAB	lab(15.84, 23.15, -43.09)
CIE-LCH	lch(15.84, 48.91, 298.25°)
OKLab	oklab(28.36% -0.0031 -0.1247)
OKLCH	oklch(28.36% 0.125 268.6)
XYZ	xyz(3.1369, 2.0675, 12.8015)
Luminance	0.0207 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F66 #665912

analogous

#124966 #121F66 #2F1266

triadic

#121F66 #66121F #1F6612

tetradic

#121F66 #661249 #665912 #12662F

square

#121F66 #661249 #665912 #12662F

split-complementary

#121F66 #662F12 #496612

monochromatic

#05081A #090F32 #121F66 #1B2F9A #243FCE

Accessibility & contrast

On white

14.86

#121F66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#121F66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F66

14.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F66	#FFFFFF	#000000	##FFFFFF
##121F66	1.00	14.86	1.41	14.86
#FFFFFF	14.86	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B68

Deuteranopia (green-blind)

#002365

Tritanopia (blue-blind)

#00323F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #121f66;
/* rgb */ color: rgb(18, 31, 102);
/* oklch */ color: oklch(28.4% 0.125 268.6);

Tailwind

colors: {
  custom: {
    50: '#605a92',
    500: '#121f66',
    950: '#000000',
  },
}

SCSS

$custom: #121f66;
$custom-light: #605a92;
$custom-dark: #000000;

JSON

{
  "hex": "#121f66",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 102
  },
  "hsl": {
    "h": 230.714,
    "s": 70,
    "l": 23.529
  },
  "oklch": {
    "l": 0.28364,
    "c": 0.12474,
    "h": 268.6
  },
  "luminance": 0.02068
}

Semantic roles & 50–950 ramp

primary

#121F66

secondary

#9E8E36

accent

#D13BED

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05040D

muted

#79797E

Preview Lab

Preview with #121F66

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

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