#121C40#121C40

#121C40 is a very dark, moderate blue. Relative luminance 0.013; OKLCH L 24.0% C 0.070 H 269.0°. Best body text is #FFFFFF at 16.59:1 contrast (WCAG AA passes).

Color values

HEX	#121C40
RGB	rgb(18, 28, 64)
HSL	hsl(227, 56%, 16%)
HSV	hsv(227, 72%, 25%)
CMYK	cmyk(71.9%, 56.2%, 0%, 74.9%)
CIE-LAB	lab(11.48, 9.43, -24.35)
CIE-LCH	lch(11.48, 26.11, 291.18°)
OKLab	oklab(24.03% -0.0013 -0.0697)
OKLCH	oklch(24.03% 0.07 269)
XYZ	xyz(1.5898, 1.3291, 5.0223)
Luminance	0.0133 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#121C40 #403612

analogous

#123340 #121C40 #1F1240

triadic

#121C40 #40121C #1C4012

tetradic

#121C40 #401233 #403612 #12401F

square

#121C40 #401233 #403612 #12401F

split-complementary

#121C40 #401F12 #334012

monochromatic

#070A18 #070A18 #121C40 #1F3170 #2D46A0

Accessibility & contrast

On white

16.59

#121C40 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.27

#121C40 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #121C40

16.59:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##121C40	#FFFFFF	#000000	##FFFFFF
##121C40	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)

#092141

Deuteranopia (green-blind)

#021C3F

Tritanopia (blue-blind)

#00242A

Achromatopsia (no color)

#1E1E1E

Design tokens & code

CSS

--color: #121c40;
/* rgb */ color: rgb(18, 28, 64);
/* oklch */ color: oklch(24.0% 0.070 269.0);

Tailwind

colors: {
  custom: {
    50: '#565775',
    500: '#121c40',
    950: '#000000',
  },
}

SCSS

$custom: #121c40;
$custom-light: #565775;
$custom-dark: #000000;

JSON

{
  "hex": "#121c40",
  "rgb": {
    "r": 18,
    "g": 28,
    "b": 64
  },
  "hsl": {
    "h": 226.957,
    "s": 56.098,
    "l": 16.078
  },
  "oklch": {
    "l": 0.24034,
    "c": 0.06974,
    "h": 269
  },
  "luminance": 0.01329
}

Semantic roles & 50–950 ramp

primary

#121C40

secondary

#796A35

accent

#BF48DF

background

#F5F5F7

surface

#E9E9ED

border

#C5C5C8

text

#030308

muted

#78787B

Preview Lab

Preview with #121C40

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

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