#121B56#121B56

#121B56 is a dark, moderate blue. Relative luminance 0.016; OKLCH L 25.9% C 0.106 H 270.3°. Best body text is #FFFFFF at 15.95:1 contrast (WCAG AA passes).

Color values

HEX	#121B56
RGB	rgb(18, 27, 86)
HSL	hsl(232, 65%, 20%)
HSV	hsv(232, 79%, 34%)
CMYK	cmyk(79.1%, 68.6%, 0%, 66.3%)
CIE-LAB	lab(13.13, 19.48, -36.85)
CIE-LCH	lch(13.13, 41.68, 297.86°)
OKLab	oklab(25.89% 0.0005 -0.1065)
OKLCH	oklch(25.89% 0.106 270.3)
XYZ	xyz(2.3205, 1.5841, 8.9858)
Luminance	0.0158 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B56 #564D12

analogous

#123D56 #121B56 #2B1256

triadic

#121B56 #56121B #1B5612

tetradic

#121B56 #56123D #564D12 #12562B

square

#121B56 #56123D #564D12 #12562B

split-complementary

#121B56 #562B12 #3D5612

monochromatic

#050819 #070B23 #121B56 #1D2B89 #273BBB

Accessibility & contrast

On white

15.95

#121B56 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.32

#121B56 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B56

15.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B56	#FFFFFF	#000000	##FFFFFF
##121B56	1.00	15.95	1.32	15.95
#FFFFFF	15.95	1.00	21.00	1.00
#000000	1.32	21.00	1.00	21.00
##FFFFFF	15.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002558

Deuteranopia (green-blind)

#001F55

Tritanopia (blue-blind)

#002A35

Achromatopsia (no color)

#222222

Design tokens & code

CSS

--color: #121b56;
/* rgb */ color: rgb(18, 27, 86);
/* oklch */ color: oklch(25.9% 0.106 270.3);

Tailwind

colors: {
  custom: {
    50: '#5c5786',
    500: '#121b56',
    950: '#000000',
  },
}

SCSS

$custom: #121b56;
$custom-light: #5c5786;
$custom-dark: #000000;

JSON

{
  "hex": "#121b56",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 86
  },
  "hsl": {
    "h": 232.059,
    "s": 65.385,
    "l": 20.392
  },
  "oklch": {
    "l": 0.25886,
    "c": 0.10647,
    "h": 270.3
  },
  "luminance": 0.01584
}

Semantic roles & 50–950 ramp

primary

#121B56

secondary

#8F8335

accent

#D23FE8

background

#F5F5F8

surface

#E9E9EF

border

#C5C5CA

text

#05030B

muted

#79787C

Preview Lab

Preview with #121B56

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

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