#121F45#121F45

#121F45 is a dark, moderate blue. Relative luminance 0.015; OKLCH L 25.2% C 0.074 H 266.9°. Best body text is #FFFFFF at 16.06:1 contrast (WCAG AA passes).

Color values

HEX	#121F45
RGB	rgb(18, 31, 69)
HSL	hsl(225, 59%, 17%)
HSV	hsv(225, 74%, 27%)
CMYK	cmyk(73.9%, 55.1%, 0%, 72.9%)
CIE-LAB	lab(12.85, 9.25, -25.65)
CIE-LCH	lch(12.85, 27.26, 289.84°)
OKLab	oklab(25.2% -0.004 -0.0735)
OKLCH	oklch(25.2% 0.074 266.9)
XYZ	xyz(1.8132, 1.5381, 5.8304)
Luminance	0.0154 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F45 #453812

analogous

#123945 #121F45 #1F1245

triadic

#121F45 #45121F #1F4512

tetradic

#121F45 #451239 #453812 #12451F

square

#121F45 #451239 #453812 #12451F

split-complementary

#121F45 #451F12 #394512

monochromatic

#060B18 #060B18 #121F45 #1F3576 #2B4BA6

Accessibility & contrast

On white

16.06

#121F45 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.31

#121F45 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F45

16.06:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F45	#FFFFFF	#000000	##FFFFFF
##121F45	1.00	16.06	1.31	16.06
#FFFFFF	16.06	1.00	21.00	1.00
#000000	1.31	21.00	1.00	21.00
##FFFFFF	16.06	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A2446

Deuteranopia (green-blind)

#011F44

Tritanopia (blue-blind)

#00282E

Achromatopsia (no color)

#212121

Design tokens & code

CSS

--color: #121f45;
/* rgb */ color: rgb(18, 31, 69);
/* oklch */ color: oklch(25.2% 0.074 266.9);

Tailwind

colors: {
  custom: {
    50: '#575a79',
    500: '#121f45',
    950: '#000000',
  },
}

SCSS

$custom: #121f45;
$custom-light: #575a79;
$custom-dark: #000000;

JSON

{
  "hex": "#121f45",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 69
  },
  "hsl": {
    "h": 224.706,
    "s": 58.621,
    "l": 17.059
  },
  "oklch": {
    "l": 0.25201,
    "c": 0.0736,
    "h": 266.9
  },
  "luminance": 0.01538
}

Semantic roles & 50–950 ramp

primary

#121F45

secondary

#7E6B35

accent

#BA46E2

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030309

muted

#78787B

Preview Lab

Preview with #121F45

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

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