#121B44#121B44

#121B44 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.1% C 0.078 H 270.2°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#121B44
RGB	rgb(18, 27, 68)
HSL	hsl(229, 58%, 17%)
HSV	hsv(229, 74%, 27%)
CMYK	cmyk(73.5%, 60.3%, 0%, 73.3%)
CIE-LAB	lab(11.48, 11.90, -27.15)
CIE-LCH	lch(11.48, 29.65, 293.67°)
OKLab	oklab(24.14% 0.0003 -0.078)
OKLCH	oklch(24.14% 0.078 270.2)
XYZ	xyz(1.6844, 1.3297, 5.6356)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121B44 #443B12

analogous

#123444 #121B44 #221244

triadic

#121B44 #44121B #1B4412

tetradic

#121B44 #441234 #443B12 #124422

square

#121B44 #441234 #443B12 #124422

split-complementary

#121B44 #442212 #344412

monochromatic

#060A18 #060A18 #121B44 #1F2E74 #2C41A5

Accessibility & contrast

On white

16.59

#121B44 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121B44 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121B44

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121B44	#FFFFFF	#000000	##FFFFFF
##121B44	1.00	16.59	1.27	16.59
#FFFFFF	16.59	1.00	21.00	1.00
#000000	1.27	21.00	1.00	21.00
##FFFFFF	16.59	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#022145

Deuteranopia (green-blind)

#001C43

Tritanopia (blue-blind)

#00252C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121b44;
/* rgb */ color: rgb(18, 27, 68);
/* oklch */ color: oklch(24.1% 0.078 270.2);

Tailwind

colors: {
  custom: {
    50: '#575678',
    500: '#121b44',
    950: '#000000',
  },
}

SCSS

$custom: #121b44;
$custom-light: #575678;
$custom-dark: #000000;

JSON

{
  "hex": "#121b44",
  "rgb": {
    "r": 18,
    "g": 27,
    "b": 68
  },
  "hsl": {
    "h": 229.2,
    "s": 58.14,
    "l": 16.863
  },
  "oklch": {
    "l": 0.2414,
    "c": 0.07799,
    "h": 270.2
  },
  "luminance": 0.0133
}

Semantic roles & 50–950 ramp

primary

#121B44

secondary

#7D7035

accent

#C546E1

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #121B44

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

Preview Lab → · Contrast checker → · Palette generator →