#121E53#121E53

#121E53 is a dark, moderate blue. Relative luminance 0.017; OKLCH L 26.2% C 0.098 H 268.9°. Best body text is #FFFFFF at 15.71:1 contrast (WCAG AA passes).

Color values

HEX	#121E53
RGB	rgb(18, 30, 83)
HSL	hsl(229, 64%, 20%)
HSV	hsv(229, 78%, 33%)
CMYK	cmyk(78.3%, 63.9%, 0%, 67.5%)
CIE-LAB	lab(13.72, 15.99, -33.86)
CIE-LCH	lch(13.72, 37.44, 295.28°)
OKLab	oklab(26.23% -0.0019 -0.0977)
OKLCH	oklch(26.23% 0.098 268.9)
XYZ	xyz(2.2745, 1.6814, 8.3866)
Luminance	0.0168 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E53 #534712

analogous

#123F53 #121E53 #271253

triadic

#121E53 #53121E #1E5312

tetradic

#121E53 #53123F #534712 #125327

square

#121E53 #53123F #534712 #125327

split-complementary

#121E53 #532712 #3F5312

monochromatic

#050919 #070C21 #121E53 #1D3085 #2842B8

Accessibility & contrast

On white

15.71

#121E53 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.34

#121E53 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E53

15.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E53	#FFFFFF	#000000	##FFFFFF
##121E53	1.00	15.71	1.34	15.71
#FFFFFF	15.71	1.00	21.00	1.00
#000000	1.34	21.00	1.00	21.00
##FFFFFF	15.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002655

Deuteranopia (green-blind)

#002052

Tritanopia (blue-blind)

#002B35

Achromatopsia (no color)

#232323

Design tokens & code

CSS

--color: #121e53;
/* rgb */ color: rgb(18, 30, 83);
/* oklch */ color: oklch(26.2% 0.098 268.9);

Tailwind

colors: {
  custom: {
    50: '#5b5984',
    500: '#121e53',
    950: '#000000',
  },
}

SCSS

$custom: #121e53;
$custom-light: #5b5984;
$custom-dark: #000000;

JSON

{
  "hex": "#121e53",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 83
  },
  "hsl": {
    "h": 228.923,
    "s": 64.356,
    "l": 19.804
  },
  "oklch": {
    "l": 0.26231,
    "c": 0.09768,
    "h": 268.9
  },
  "luminance": 0.01682
}

Semantic roles & 50–950 ramp

primary

#121E53

secondary

#8C7C35

accent

#C940E7

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030B

muted

#79787C

Preview Lab

Preview with #121E53

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

Preview Lab → · Contrast checker → · Palette generator →