#121C63#121C63

#121C63 is a dark, vivid blue. Relative luminance 0.019; OKLCH L 27.5% C 0.124 H 269.5°. Best body text is #FFFFFF at 15.31:1 contrast (WCAG AA passes).

Color values

HEX	#121C63
RGB	rgb(18, 28, 99)
HSL	hsl(233, 69%, 23%)
HSV	hsv(233, 82%, 39%)
CMYK	cmyk(81.8%, 71.7%, 0%, 61.2%)
CIE-LAB	lab(14.73, 24.06, -42.92)
CIE-LCH	lch(14.73, 49.21, 299.27°)
OKLab	oklab(27.46% -0.0011 -0.1242)
OKLCH	oklch(27.46% 0.124 269.5)
XYZ	xyz(2.9161, 1.8596, 12.0072)
Luminance	0.0186 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C63 #635912

analogous

#124463 #121C63 #311263

triadic

#121C63 #63121C #1C6312

tetradic

#121C63 #631244 #635912 #126331

square

#121C63 #631244 #635912 #126331

split-complementary

#121C63 #633112 #446312

monochromatic

#05071A #090D2F #121C63 #1B2B97 #2539CB

Accessibility & contrast

On white

15.31

#121C63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.37

#121C63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C63

15.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C63	#FFFFFF	#000000	##FFFFFF
##121C63	1.00	15.31	1.37	15.31
#FFFFFF	15.31	1.00	21.00	1.00
#000000	1.37	21.00	1.00	21.00
##FFFFFF	15.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002965

Deuteranopia (green-blind)

#002162

Tritanopia (blue-blind)

#002F3D

Achromatopsia (no color)

#252525

Design tokens & code

CSS

--color: #121c63;
/* rgb */ color: rgb(18, 28, 99);
/* oklch */ color: oklch(27.5% 0.124 269.5);

Tailwind

colors: {
  custom: {
    50: '#5f5890',
    500: '#121c63',
    950: '#000000',
  },
}

SCSS

$custom: #121c63;
$custom-light: #5f5890;
$custom-dark: #000000;

JSON

{
  "hex": "#121c63",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 99
  },
  "hsl": {
    "h": 232.593,
    "s": 69.231,
    "l": 22.941
  },
  "oklch": {
    "l": 0.27463,
    "c": 0.12424,
    "h": 269.5
  },
  "luminance": 0.0186
}

Semantic roles & 50–950 ramp

primary

#121C63

secondary

#9B8F36

accent

#D63CEC

background

#F6F5F8

surface

#EBE9F0

border

#C6C5CB

text

#05030D

muted

#7A787D

Preview Lab

Preview with #121C63

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

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