#121E59#121E59

#121E59 is a dark, moderate blue. Relative luminance 0.018; OKLCH L 26.8% C 0.107 H 269.0°. Best body text is #FFFFFF at 15.49:1 contrast (WCAG AA passes).

Color values

HEX	#121E59
RGB	rgb(18, 30, 89)
HSL	hsl(230, 66%, 21%)
HSV	hsv(230, 80%, 35%)
CMYK	cmyk(79.8%, 66.3%, 0%, 65.1%)
CIE-LAB	lab(14.28, 18.52, -37.00)
CIE-LCH	lch(14.28, 41.37, 296.59°)
OKLab	oklab(26.82% -0.0019 -0.1069)
OKLCH	oklch(26.82% 0.107 269)
XYZ	xyz(2.5163, 1.7781, 9.6599)
Luminance	0.0178 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E59 #594D12

analogous

#124159 #121E59 #291259

triadic

#121E59 #59121E #1E5912

tetradic

#121E59 #591241 #594D12 #125929

square

#121E59 #591241 #594D12 #125929

split-complementary

#121E59 #592912 #415912

monochromatic

#050919 #080D26 #121E59 #1C2F8C #2740BF

Accessibility & contrast

On white

15.49

#121E59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.36

#121E59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E59

15.49:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E59	#FFFFFF	#000000	##FFFFFF
##121E59	1.00	15.49	1.36	15.49
#FFFFFF	15.49	1.00	21.00	1.00
#000000	1.36	21.00	1.00	21.00
##FFFFFF	15.49	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00285B

Deuteranopia (green-blind)

#002158

Tritanopia (blue-blind)

#002D38

Achromatopsia (no color)

#242424

Design tokens & code

CSS

--color: #121e59;
/* rgb */ color: rgb(18, 30, 89);
/* oklch */ color: oklch(26.8% 0.107 269.0);

Tailwind

colors: {
  custom: {
    50: '#5c5988',
    500: '#121e59',
    950: '#000000',
  },
}

SCSS

$custom: #121e59;
$custom-light: #5c5988;
$custom-dark: #000000;

JSON

{
  "hex": "#121e59",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 89
  },
  "hsl": {
    "h": 229.859,
    "s": 66.355,
    "l": 20.98
  },
  "oklch": {
    "l": 0.2682,
    "c": 0.1069,
    "h": 269
  },
  "luminance": 0.01778
}

Semantic roles & 50–950 ramp

primary

#121E59

secondary

#928235

accent

#CC3FE9

background

#F5F5F8

surface

#E9E9F0

border

#C5C5CB

text

#05030B

muted

#79787C

Preview Lab

Preview with #121E59

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

Preview Lab → · Contrast checker → · Palette generator →