#121F38#121F38

#121F38 is a very dark, muted blue. Relative luminance 0.014; OKLCH L 24.2% C 0.051 H 262.4°. Best body text is #FFFFFF at 16.42:1 contrast (WCAG AA passes).

Color values

HEX	#121F38
RGB	rgb(18, 31, 56)
HSL	hsl(219, 51%, 15%)
HSV	hsv(219, 68%, 22%)
CMYK	cmyk(67.9%, 44.6%, 0%, 78%)
CIE-LAB	lab(11.92, 3.76, -17.98)
CIE-LCH	lch(11.92, 18.37, 281.81°)
OKLab	oklab(24.19% -0.0068 -0.051)
OKLCH	oklch(24.19% 0.051 262.4)
XYZ	xyz(1.4530, 1.3940, 3.9331)
Luminance	0.0139 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121F38 #382B12

analogous

#123238 #121F38 #181238

triadic

#121F38 #38121F #1F3812

tetradic

#121F38 #381232 #382B12 #123818

square

#121F38 #381232 #382B12 #123818

split-complementary

#121F38 #381812 #323812

monochromatic

#070D17 #070D17 #121F38 #213966 #305295

Accessibility & contrast

On white

16.42

#121F38 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.28

#121F38 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121F38

16.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121F38	#FFFFFF	#000000	##FFFFFF
##121F38	1.00	16.42	1.28	16.42
#FFFFFF	16.42	1.00	21.00	1.00
#000000	1.28	21.00	1.00	21.00
##FFFFFF	16.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#142139

Deuteranopia (green-blind)

#101E37

Tritanopia (blue-blind)

#002528

Achromatopsia (no color)

#1F1F1F

Design tokens & code

CSS

--color: #121f38;
/* rgb */ color: rgb(18, 31, 56);
/* oklch */ color: oklch(24.2% 0.051 262.4);

Tailwind

colors: {
  custom: {
    50: '#545a6e',
    500: '#121f38',
    950: '#000000',
  },
}

SCSS

$custom: #121f38;
$custom-light: #545a6e;
$custom-dark: #000000;

JSON

{
  "hex": "#121f38",
  "rgb": {
    "r": 18,
    "g": 31,
    "b": 56
  },
  "hsl": {
    "h": 219.474,
    "s": 51.351,
    "l": 14.51
  },
  "oklch": {
    "l": 0.24186,
    "c": 0.05144,
    "h": 262.4
  },
  "luminance": 0.01394
}

Semantic roles & 50–950 ramp

primary

#121F38

secondary

#715C35

accent

#AA4DDB

background

#F4F5F6

surface

#E8E9EC

border

#C4C5C7

text

#030307

muted

#78787A

Preview Lab

Preview with #121F38

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

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