#121C64#121C64

#121C64 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.6% C 0.126 H 269.5°. Best body text is #FFFFFF at 15.26:1 contrast (WCAG AA passes).

Color values

HEX	#121C64
RGB	rgb(18, 28, 100)
HSL	hsl(233, 69%, 23%)
HSV	hsv(233, 82%, 39%)
CMYK	cmyk(82%, 72%, 0%, 60.8%)
CIE-LAB	lab(14.84, 24.46, -43.41)
CIE-LCH	lch(14.84, 49.83, 299.40°)
OKLab	oklab(27.57% -0.0012 -0.1257)
OKLCH	oklch(27.57% 0.126 269.5)
XYZ	xyz(2.9642, 1.8789, 12.2606)
Luminance	0.0188 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C64 #645A12

analogous

#124564 #121C64 #311264

triadic

#121C64 #64121C #1C6412

tetradic

#121C64 #641245 #645A12 #126431

square

#121C64 #641245 #645A12 #126431

split-complementary

#121C64 #643112 #456412

monochromatic

#05071A #090D30 #121C64 #1B2B98 #2539CC

Accessibility & contrast

On white

15.26

#121C64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.38

#121C64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C64

15.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C64	#FFFFFF	#000000	##FFFFFF
##121C64	1.00	15.26	1.38	15.26
#FFFFFF	15.26	1.00	21.00	1.00
#000000	1.38	21.00	1.00	21.00
##FFFFFF	15.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002966

Deuteranopia (green-blind)

#002163

Tritanopia (blue-blind)

#00303D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #121c64;
/* rgb */ color: rgb(18, 28, 100);
/* oklch */ color: oklch(27.6% 0.126 269.5);

Tailwind

colors: {
  custom: {
    50: '#605891',
    500: '#121c64',
    950: '#000000',
  },
}

SCSS

$custom: #121c64;
$custom-light: #605891;
$custom-dark: #000000;

JSON

{
  "hex": "#121c64",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 100
  },
  "hsl": {
    "h": 232.683,
    "s": 69.492,
    "l": 23.137
  },
  "oklch": {
    "l": 0.27571,
    "c": 0.12567,
    "h": 269.5
  },
  "luminance": 0.01879
}

Semantic roles & 50–950 ramp

primary

#121C64

secondary

#9C8F36

accent

#D73BEC

background

#F6F5F9

surface

#EBE9F1

border

#C6C5CB

text

#05030D

muted

#79787E

Preview Lab

Preview with #121C64

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

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