#121E51#121E51

#121E51 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.0% C 0.095 H 268.8°. Best body text is #FFFFFF at 15.79:1 contrast (WCAG AA passes).

Color values

HEX	#121E51
RGB	rgb(18, 30, 81)
HSL	hsl(229, 64%, 19%)
HSV	hsv(229, 78%, 32%)
CMYK	cmyk(77.8%, 63%, 0%, 68.2%)
CIE-LAB	lab(13.54, 15.14, -32.79)
CIE-LCH	lch(13.54, 36.12, 294.79°)
OKLab	oklab(26.04% -0.0019 -0.0945)
OKLCH	oklch(26.04% 0.095 268.8)
XYZ	xyz(2.1984, 1.6510, 7.9858)
Luminance	0.0165 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E51 #514512

analogous

#123E51 #121E51 #261251

triadic

#121E51 #51121E #1E5112

tetradic

#121E51 #51123E #514512 #125126

square

#121E51 #51123E #514512 #125126

split-complementary

#121E51 #512612 #3E5112

monochromatic

#060919 #070B1F #121E51 #1D3183 #2843B5

Accessibility & contrast

On white

15.79

#121E51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.33

#121E51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E51

15.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E51	#FFFFFF	#000000	##FFFFFF
##121E51	1.00	15.79	1.33	15.79
#FFFFFF	15.79	1.00	21.00	1.00
#000000	1.33	21.00	1.00	21.00
##FFFFFF	15.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002653

Deuteranopia (green-blind)

#002050

Tritanopia (blue-blind)

#002B34

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #121e51;
/* rgb */ color: rgb(18, 30, 81);
/* oklch */ color: oklch(26.0% 0.095 268.8);

Tailwind

colors: {
  custom: {
    50: '#5a5982',
    500: '#121e51',
    950: '#000000',
  },
}

SCSS

$custom: #121e51;
$custom-light: #5a5982;
$custom-dark: #000000;

JSON

{
  "hex": "#121e51",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 81
  },
  "hsl": {
    "h": 228.571,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.26039,
    "c": 0.09455,
    "h": 268.8
  },
  "luminance": 0.01651
}

Semantic roles & 50–950 ramp

primary

#121E51

secondary

#8A7A35

accent

#C741E7

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #121E51

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

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