#121540#121540

#121540 is a very dark, moderate blue. Relative luminance 0.010; OKLCH L 22.4% C 0.081 H 274.8°. Best body text is #FFFFFF at 17.40:1 contrast (WCAG AA passes).

Color values

HEX	#121540
RGB	rgb(18, 21, 64)
HSL	hsl(236, 56%, 16%)
HSV	hsv(236, 72%, 25%)
CMYK	cmyk(71.9%, 67.2%, 0%, 74.9%)
CIE-LAB	lab(9.28, 14.83, -27.91)
CIE-LCH	lch(9.28, 31.60, 297.99°)
OKLab	oklab(22.38% 0.0067 -0.0803)
OKLCH	oklch(22.38% 0.081 274.8)
XYZ	xyz(1.4427, 1.0350, 4.9732)
Luminance	0.0103 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121540 #403D12

analogous

#122C40 #121540 #261240

triadic

#121540 #401215 #154012

tetradic

#121540 #40122C #403D12 #124026

square

#121540 #40122C #403D12 #124026

split-complementary

#121540 #402612 #2C4012

monochromatic

#070818 #070818 #121540 #1F2570 #2D34A0

Accessibility & contrast

On white

17.40

#121540 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.21

#121540 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121540

17.40:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121540	#FFFFFF	#000000	##FFFFFF
##121540	1.00	17.40	1.21	17.40
#FFFFFF	17.40	1.00	21.00	1.00
#000000	1.21	21.00	1.00	21.00
##FFFFFF	17.40	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#001C41

Deuteranopia (green-blind)

#00183F

Tritanopia (blue-blind)

#002028

Achromatopsia (no color)

#1A1A1A

Design tokens & code

CSS

--color: #121540;
/* rgb */ color: rgb(18, 21, 64);
/* oklch */ color: oklch(22.4% 0.081 274.8);

Tailwind

colors: {
  custom: {
    50: '#565275',
    500: '#121540',
    950: '#000000',
  },
}

SCSS

$custom: #121540;
$custom-light: #565275;
$custom-dark: #000000;

JSON

{
  "hex": "#121540",
  "rgb": {
    "r": 18,
    "g": 21,
    "b": 64
  },
  "hsl": {
    "h": 236.087,
    "s": 56.098,
    "l": 16.078
  },
  "oklch": {
    "l": 0.22384,
    "c": 0.08057,
    "h": 274.8
  },
  "luminance": 0.01035
}

Semantic roles & 50–950 ramp

primary

#121540

secondary

#797535

accent

#D648DF

background

#F5F4F7

surface

#E9E7ED

border

#C5C3C8

text

#030208

muted

#78787B

Preview Lab

Preview with #121540

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

Preview Lab → · Contrast checker → · Palette generator →