#121F65#121F65

#121F65 is a dark, vivid blue. Relative luminance 0.020; OKLCH L 28.3% C 0.123 H 268.6°. Best body text is #FFFFFF at 14.90:1 contrast (WCAG AA passes).

Color values

HEX	#121F65
RGB	rgb(18, 31, 101)
HSL	hsl(231, 70%, 23%)
HSV	hsv(231, 82%, 40%)
CMYK	cmyk(82.2%, 69.3%, 0%, 60.4%)
CIE-LAB	lab(15.74, 22.74, -42.59)
CIE-LCH	lch(15.74, 48.29, 298.10°)
OKLab	oklab(28.26% -0.0031 -0.1233)
OKLCH	oklch(28.26% 0.123 268.6)
XYZ	xyz(3.0876, 2.0478, 12.5419)
Luminance	0.0205 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F65 #655812

analogous

#124865 #121F65 #2E1265

triadic

#121F65 #65121F #1F6512

tetradic

#121F65 #651248 #655812 #12652E

square

#121F65 #651248 #655812 #12652E

split-complementary

#121F65 #652E12 #486512

monochromatic

#05081A #090F31 #121F65 #1B2F99 #253FCD

Accessibility & contrast

On white

14.90

#121F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.41

#121F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F65

14.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F65	#FFFFFF	#000000	##FFFFFF
##121F65	1.00	14.90	1.41	14.90
#FFFFFF	14.90	1.00	21.00	1.00
#000000	1.41	21.00	1.00	21.00
##FFFFFF	14.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002B67

Deuteranopia (green-blind)

#002364

Tritanopia (blue-blind)

#00323F

Achromatopsia (no color)

#272727

Design tokens & code

CSS

--color: #121f65;
/* rgb */ color: rgb(18, 31, 101);
/* oklch */ color: oklch(28.3% 0.123 268.6);

Tailwind

colors: {
  custom: {
    50: '#605a92',
    500: '#121f65',
    950: '#000000',
  },
}

SCSS

$custom: #121f65;
$custom-light: #605a92;
$custom-dark: #000000;

JSON

{
  "hex": "#121f65",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 101
  },
  "hsl": {
    "h": 230.602,
    "s": 69.748,
    "l": 23.333
  },
  "oklch": {
    "l": 0.28258,
    "c": 0.1233,
    "h": 268.6
  },
  "luminance": 0.02048
}

Semantic roles & 50–950 ramp

primary

#121F65

secondary

#9D8D36

accent

#D13BED

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05040D

muted

#79797E

Preview Lab

Preview with #121F65

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

Preview Lab → · Contrast checker → · Palette generator →