#11428C#11428C

#11428C is a dark, vivid blue. Relative luminance 0.059; OKLCH L 39.4% C 0.134 H 259.2°. Best body text is #FFFFFF at 9.63:1 contrast (WCAG AA passes).

Color values

HEX	#11428C
RGB	rgb(17, 66, 140)
HSL	hsl(216, 78%, 31%)
HSV	hsv(216, 88%, 55%)
CMYK	cmyk(87.9%, 52.9%, 0%, 45.1%)
CIE-LAB	lab(29.18, 13.95, -45.52)
CIE-LCH	lch(29.18, 47.61, 287.04°)
OKLab	oklab(39.4% -0.025 -0.1312)
OKLCH	oklch(39.4% 0.134 259.2)
XYZ	xyz(6.9113, 5.9082, 25.5820)
Luminance	0.0591 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11428C #8C5B11

analogous

#117F8C #11428C #1E118C

triadic

#11428C #8C1142 #428C11

tetradic

#11428C #8C117F #8C5B11 #118C1E

square

#11428C #8C117F #8C5B11 #118C1E

split-complementary

#11428C #8C1E11 #7F8C11

monochromatic

#040F1F #0A2855 #11428C #185CC3 #3179E6

Accessibility & contrast

On white

9.63

#11428C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.18

#11428C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11428C

9.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11428C	#FFFFFF	#000000	##FFFFFF
##11428C	1.00	9.63	2.18	9.63
#FFFFFF	9.63	1.00	21.00	1.00
#000000	2.18	21.00	1.00	21.00
##FFFFFF	9.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0E4B8F

Deuteranopia (green-blind)

#00408B

Tritanopia (blue-blind)

#005460

Achromatopsia (no color)

#454545

Design tokens & code

CSS

--color: #11428c;
/* rgb */ color: rgb(17, 66, 140);
/* oklch */ color: oklch(39.4% 0.134 259.2);

Tailwind

colors: {
  custom: {
    50: '#6875ae',
    500: '#11428c',
    950: '#000000',
  },
}

SCSS

$custom: #11428c;
$custom-light: #6875ae;
$custom-dark: #000000;

JSON

{
  "hex": "#11428c",
  "rgb": {
    "r": 17,
    "g": 66,
    "b": 140
  },
  "hsl": {
    "h": 216.098,
    "s": 78.344,
    "l": 30.784
  },
  "oklch": {
    "l": 0.39399,
    "c": 0.13361,
    "h": 259.2
  },
  "luminance": 0.05909
}

Semantic roles & 50–950 ramp

primary

#11428C

secondary

#C18A38

accent

#A833F5

background

#F6F7FA

surface

#ECEDF4

border

#C7C8CE

text

#070810

muted

#7A7B7F

Preview Lab

Preview with #11428C

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

Preview Lab → · Contrast checker → · Palette generator →