#11284C#11284C

#11284C is a dark, moderate blue. Relative luminance 0.022; OKLCH L 28.0% C 0.073 H 259.1°. Best body text is #FFFFFF at 14.67:1 contrast (WCAG AA passes).

Color values

HEX	#11284C
RGB	rgb(17, 40, 76)
HSL	hsl(217, 63%, 18%)
HSV	hsv(217, 78%, 30%)
CMYK	cmyk(77.6%, 47.4%, 0%, 70.2%)
CIE-LAB	lab(16.30, 5.28, -24.94)
CIE-LCH	lch(16.30, 25.49, 281.97°)
OKLab	oklab(28% -0.0137 -0.0713)
OKLCH	oklch(28% 0.073 259.1)
XYZ	xyz(2.2940, 2.1583, 7.1318)
Luminance	0.0216 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11284C #4C3511

analogous

#11454C #11284C #17114C

triadic

#11284C #4C1128 #284C11

tetradic

#11284C #4C1145 #4C3511 #114C17

square

#11284C #4C1145 #4C3511 #114C17

split-complementary

#11284C #4C1711 #454C11

monochromatic

#060D19 #060E1A #11284C #1C427E #275DB0

Accessibility & contrast

On white

14.67

#11284C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.43

#11284C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11284C

14.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11284C	#FFFFFF	#000000	##FFFFFF
##11284C	1.00	14.67	1.43	14.67
#FFFFFF	14.67	1.00	21.00	1.00
#000000	1.43	21.00	1.00	21.00
##FFFFFF	14.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#172B4D

Deuteranopia (green-blind)

#0C264B

Tritanopia (blue-blind)

#003036

Achromatopsia (no color)

#282828

Design tokens & code

CSS

--color: #11284c;
/* rgb */ color: rgb(17, 40, 76);
/* oklch */ color: oklch(28.0% 0.073 259.1);

Tailwind

colors: {
  custom: {
    50: '#58617e',
    500: '#11284c',
    950: '#000000',
  },
}

SCSS

$custom: #11284c;
$custom-light: #58617e;
$custom-dark: #000000;

JSON

{
  "hex": "#11284c",
  "rgb": {
    "r": 17,
    "g": 40,
    "b": 76
  },
  "hsl": {
    "h": 216.61,
    "s": 63.441,
    "l": 18.235
  },
  "oklch": {
    "l": 0.28,
    "c": 0.07257,
    "h": 259.1
  },
  "luminance": 0.02159
}

Semantic roles & 50–950 ramp

primary

#11284C

secondary

#856533

accent

#A641E6

background

#F5F5F7

surface

#E9E9EE

border

#C5C5C9

text

#04050A

muted

#79797C

Preview Lab

Preview with #11284C

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

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