#121E55#121E55

#121E55 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.4% C 0.101 H 268.9°. Best body text is #FFFFFF at 15.64:1 contrast (WCAG AA passes).

Color values

HEX	#121E55
RGB	rgb(18, 30, 85)
HSL	hsl(229, 65%, 20%)
HSV	hsv(229, 79%, 33%)
CMYK	cmyk(78.8%, 64.7%, 0%, 66.7%)
CIE-LAB	lab(13.90, 16.84, -34.91)
CIE-LCH	lch(13.90, 38.76, 295.74°)
OKLab	oklab(26.42% -0.0019 -0.1008)
OKLCH	oklch(26.42% 0.101 268.9)
XYZ	xyz(2.3529, 1.7128, 8.7992)
Luminance	0.0171 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E55 #554912

analogous

#123F55 #121E55 #281255

triadic

#121E55 #55121E #1E5512

tetradic

#121E55 #55123F #554912 #125528

square

#121E55 #55123F #554912 #125528

split-complementary

#121E55 #552812 #3F5512

monochromatic

#050919 #070C22 #121E55 #1D3088 #2742BA

Accessibility & contrast

On white

15.64

#121E55 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#121E55 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E55

15.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E55	#FFFFFF	#000000	##FFFFFF
##121E55	1.00	15.64	1.34	15.64
#FFFFFF	15.64	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002757

Deuteranopia (green-blind)

#002054

Tritanopia (blue-blind)

#002C36

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #121e55;
/* rgb */ color: rgb(18, 30, 85);
/* oklch */ color: oklch(26.4% 0.101 268.9);

Tailwind

colors: {
  custom: {
    50: '#5b5985',
    500: '#121e55',
    950: '#000000',
  },
}

SCSS

$custom: #121e55;
$custom-light: #5b5985;
$custom-dark: #000000;

JSON

{
  "hex": "#121e55",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 85
  },
  "hsl": {
    "h": 229.254,
    "s": 65.049,
    "l": 20.196
  },
  "oklch": {
    "l": 0.26425,
    "c": 0.10079,
    "h": 268.9
  },
  "luminance": 0.01713
}

Semantic roles & 50–950 ramp

primary

#121E55

secondary

#8E7E35

accent

#CA40E8

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121E55

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

Preview Lab → · Contrast checker → · Palette generator →