#121A45#121A45

#121A45 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.081 H 271.0°. Best body text is #FFFFFF at 16.67:1 contrast (WCAG AA passes).

Color values

HEX	#121A45
RGB	rgb(18, 26, 69)
HSL	hsl(231, 59%, 17%)
HSV	hsv(231, 74%, 27%)
CMYK	cmyk(73.9%, 62.3%, 0%, 72.9%)
CIE-LAB	lab(11.25, 13.10, -28.22)
CIE-LCH	lch(11.25, 31.11, 294.90°)
OKLab	oklab(24% 0.0015 -0.0811)
OKLCH	oklch(24% 0.081 271)
XYZ	xyz(1.6927, 1.2969, 5.7902)
Luminance	0.0130 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Midnight Blue (survey)

#020035

ΔE00 5.67

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121A45 #453D12

analogous

#123445 #121A45 #241245

triadic

#121A45 #45121A #1A4512

tetradic

#121A45 #451234 #453D12 #124524

square

#121A45 #451234 #453D12 #124524

split-complementary

#121A45 #452412 #344512

monochromatic

#060918 #060918 #121A45 #1F2C76 #2B3FA6

Accessibility & contrast

On white

16.67

#121A45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.26

#121A45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121A45

16.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121A45	#FFFFFF	#000000	##FFFFFF
##121A45	1.00	16.67	1.26	16.67
#FFFFFF	16.67	1.00	21.00	1.00
#000000	1.26	21.00	1.00	21.00
##FFFFFF	16.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#002046

Deuteranopia (green-blind)

#001C44

Tritanopia (blue-blind)

#00242C

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121a45;
/* rgb */ color: rgb(18, 26, 69);
/* oklch */ color: oklch(24.0% 0.081 271.0);

Tailwind

colors: {
  custom: {
    50: '#575679',
    500: '#121a45',
    950: '#000000',
  },
}

SCSS

$custom: #121a45;
$custom-light: #575679;
$custom-dark: #000000;

JSON

{
  "hex": "#121a45",
  "rgb": {
    "r": 18,
    "g": 26,
    "b": 69
  },
  "hsl": {
    "h": 230.588,
    "s": 58.621,
    "l": 17.059
  },
  "oklch": {
    "l": 0.23997,
    "c": 0.08116,
    "h": 271
  },
  "luminance": 0.01297
}

Semantic roles & 50–950 ramp

primary

#121A45

secondary

#7E7335

accent

#C946E2

background

#F5F5F7

surface

#E9E8ED

border

#C5C4C8

text

#030309

muted

#78787B

Preview Lab

Preview with #121A45

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

Preview Lab → · Contrast checker → · Palette generator →