#121B38#121B38

#121B38 is a very dark, muted blue. Relative luminance 0.012; OKLCH L 23.1% C 0.057 H 268.6°. Best body text is #FFFFFF at 16.94:1 contrast (WCAG AA passes).

Color values

HEX	#121B38
RGB	rgb(18, 27, 56)
HSL	hsl(226, 51%, 15%)
HSV	hsv(226, 68%, 22%)
CMYK	cmyk(67.9%, 51.8%, 0%, 78%)
CIE-LAB	lab(10.54, 6.83, -20.17)
CIE-LCH	lch(10.54, 21.29, 288.72°)
OKLab	oklab(23.13% -0.0014 -0.0574)
OKLCH	oklch(23.13% 0.057 268.6)
XYZ	xyz(1.3550, 1.1979, 3.9004)
Luminance	0.0120 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B38 #382F12

analogous

#122E38 #121B38 #1C1238

triadic

#121B38 #38121B #1B3812

tetradic

#121B38 #38122E #382F12 #12381C

square

#121B38 #38122E #382F12 #12381C

split-complementary

#121B38 #381C12 #2E3812

monochromatic

#070B17 #070B17 #121B38 #213166 #304895

Accessibility & contrast

On white

16.94

#121B38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.24

#121B38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B38

16.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B38	#FFFFFF	#000000	##FFFFFF
##121B38	1.00	16.94	1.24	16.94
#FFFFFF	16.94	1.00	21.00	1.00
#000000	1.24	21.00	1.00	21.00
##FFFFFF	16.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E1E39

Deuteranopia (green-blind)

#091B37

Tritanopia (blue-blind)

#002126

Achromatopsia (no color)

#1D1D1D

Design tokens & code

CSS

--color: #121b38;
/* rgb */ color: rgb(18, 27, 56);
/* oklch */ color: oklch(23.1% 0.057 268.6);

Tailwind

colors: {
  custom: {
    50: '#54566f',
    500: '#121b38',
    950: '#000000',
  },
}

SCSS

$custom: #121b38;
$custom-light: #54566f;
$custom-dark: #000000;

JSON

{
  "hex": "#121b38",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 56
  },
  "hsl": {
    "h": 225.789,
    "s": 51.351,
    "l": 14.51
  },
  "oklch": {
    "l": 0.23126,
    "c": 0.05747,
    "h": 268.6
  },
  "luminance": 0.01198
}

Semantic roles & 50–950 ramp

primary

#121B38

secondary

#716335

accent

#B94DDB

background

#F4F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #121B38

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

Preview Lab → · Contrast checker → · Palette generator →