#121E4D#121E4D

#121E4D is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.7% C 0.088 H 268.6°. Best body text is #FFFFFF at 15.93:1 contrast (WCAG AA passes).

Color values

HEX	#121E4D
RGB	rgb(18, 30, 77)
HSL	hsl(228, 62%, 19%)
HSV	hsv(228, 77%, 30%)
CMYK	cmyk(76.6%, 61%, 0%, 69.8%)
CIE-LAB	lab(13.19, 13.44, -30.63)
CIE-LCH	lch(13.19, 33.45, 293.69°)
OKLab	oklab(25.67% -0.0021 -0.0882)
OKLCH	oklch(25.67% 0.088 268.6)
XYZ	xyz(2.0528, 1.5928, 7.2190)
Luminance	0.0159 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121E4D #4D4112

analogous

#123B4D #121E4D #23124D

triadic

#121E4D #4D121E #1E4D12

tetradic

#121E4D #4D123B #4D4112 #124D23

square

#121E4D #4D123B #4D4112 #124D23

split-complementary

#121E4D #4D2312 #3B4D12

monochromatic

#060A19 #060B1B #121E4D #1E317F #2945B0

Accessibility & contrast

On white

15.93

#121E4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#121E4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121E4D

15.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121E4D	#FFFFFF	#000000	##FFFFFF
##121E4D	1.00	15.93	1.32	15.93
#FFFFFF	15.93	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00254F

Deuteranopia (green-blind)

#001F4C

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #121e4d;
/* rgb */ color: rgb(18, 30, 77);
/* oklch */ color: oklch(25.7% 0.088 268.6);

Tailwind

colors: {
  custom: {
    50: '#59597f',
    500: '#121e4d',
    950: '#000000',
  },
}

SCSS

$custom: #121e4d;
$custom-light: #59597f;
$custom-dark: #000000;

JSON

{
  "hex": "#121e4d",
  "rgb": {
    "r": 18,
    "g": 30,
    "b": 77
  },
  "hsl": {
    "h": 227.797,
    "s": 62.105,
    "l": 18.627
  },
  "oklch": {
    "l": 0.25665,
    "c": 0.0882,
    "h": 268.6
  },
  "luminance": 0.01593
}

Semantic roles & 50–950 ramp

primary

#121E4D

secondary

#867535

accent

#C443E5

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121E4D

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

Preview Lab → · Contrast checker → · Palette generator →