#121A51#121A51

#121A51 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.100 H 270.9°. Best body text is #FFFFFF at 16.25:1 contrast (WCAG AA passes).

Color values

HEX	#121A51
RGB	rgb(18, 26, 81)
HSL	hsl(232, 64%, 19%)
HSV	hsv(232, 78%, 32%)
CMYK	cmyk(77.8%, 67.9%, 0%, 68.2%)
CIE-LAB	lab(12.36, 18.14, -34.71)
CIE-LCH	lch(12.36, 39.16, 297.59°)
OKLab	oklab(25.17% 0.0015 -0.1002)
OKLCH	oklch(25.17% 0.1 270.9)
XYZ	xyz(2.1035, 1.4613, 7.9542)
Luminance	0.0146 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 6.29

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A51 #514912

analogous

#123A51 #121A51 #2A1251

triadic

#121A51 #51121A #1A5112

tetradic

#121A51 #51123A #514912 #12512A

square

#121A51 #51123A #514912 #12512A

split-complementary

#121A51 #512A12 #3A5112

monochromatic

#060819 #070A1F #121A51 #1D2A83 #283AB5

Accessibility & contrast

On white

16.25

#121A51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.29

#121A51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A51

16.25:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A51	#FFFFFF	#000000	##FFFFFF
##121A51	1.00	16.25	1.29	16.25
#FFFFFF	16.25	1.00	21.00	1.00
#000000	1.29	21.00	1.00	21.00
##FFFFFF	16.25	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002353

Deuteranopia (green-blind)

#001D50

Tritanopia (blue-blind)

#002832

Achromatopsia (no color)

#202020

Design tokens & code

CSS

--color: #121a51;
/* rgb */ color: rgb(18, 26, 81);
/* oklch */ color: oklch(25.2% 0.100 270.9);

Tailwind

colors: {
  custom: {
    50: '#5a5682',
    500: '#121a51',
    950: '#000000',
  },
}

SCSS

$custom: #121a51;
$custom-light: #5a5682;
$custom-dark: #000000;

JSON

{
  "hex": "#121a51",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 81
  },
  "hsl": {
    "h": 232.381,
    "s": 63.636,
    "l": 19.412
  },
  "oklch": {
    "l": 0.25165,
    "c": 0.10023,
    "h": 270.9
  },
  "luminance": 0.01461
}

Semantic roles & 50–950 ramp

primary

#121A51

secondary

#8A7F35

accent

#D241E7

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#04030A

muted

#79787C

Preview Lab

Preview with #121A51

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

Preview Lab → · Contrast checker → · Palette generator →