#121D4F#121D4F

#121D4F is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.6% C 0.093 H 269.3°. Best body text is #FFFFFF at 15.98:1 contrast (WCAG AA passes).

Color values

HEX	#121D4F
RGB	rgb(18, 29, 79)
HSL	hsl(229, 63%, 19%)
HSV	hsv(229, 77%, 31%)
CMYK	cmyk(77.2%, 63.3%, 0%, 69%)
CIE-LAB	lab(13.06, 15.05, -32.21)
CIE-LCH	lch(13.06, 35.55, 295.05°)
OKLab	oklab(25.62% -0.0011 -0.0928)
OKLCH	oklch(25.62% 0.093 269.3)
XYZ	xyz(2.0996, 1.5716, 7.5883)
Luminance	0.0157 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.75

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121D4F #4F4412

analogous

#123C4F #121D4F #26124F

triadic

#121D4F #4F121D #1D4F12

tetradic

#121D4F #4F123C #4F4412 #124F26

square

#121D4F #4F123C #4F4412 #124F26

split-complementary

#121D4F #4F2612 #3C4F12

monochromatic

#060919 #070B1D #121D4F #1D2F81 #2942B3

Accessibility & contrast

On white

15.98

#121D4F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#121D4F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121D4F

15.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121D4F	#FFFFFF	#000000	##FFFFFF
##121D4F	1.00	15.98	1.31	15.98
#FFFFFF	15.98	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	15.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002551

Deuteranopia (green-blind)

#001F4E

Tritanopia (blue-blind)

#002932

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #121d4f;
/* rgb */ color: rgb(18, 29, 79);
/* oklch */ color: oklch(25.6% 0.093 269.3);

Tailwind

colors: {
  custom: {
    50: '#5a5881',
    500: '#121d4f',
    950: '#000000',
  },
}

SCSS

$custom: #121d4f;
$custom-light: #5a5881;
$custom-dark: #000000;

JSON

{
  "hex": "#121d4f",
  "rgb": {
    "r": 18,
    "g": 29,
    "b": 79
  },
  "hsl": {
    "h": 229.18,
    "s": 62.887,
    "l": 19.02
  },
  "oklch": {
    "l": 0.25624,
    "c": 0.09284,
    "h": 269.3
  },
  "luminance": 0.01572
}

Semantic roles & 50–950 ramp

primary

#121D4F

secondary

#887935

accent

#C842E6

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04030A

muted

#79787C

Preview Lab

Preview with #121D4F

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

Preview Lab → · Contrast checker → · Palette generator →