#11377E#11377E

#11377E is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.7% C 0.128 H 261.5°. Best body text is #FFFFFF at 11.22:1 contrast (WCAG AA passes).

Color values

HEX	#11377E
RGB	rgb(17, 55, 126)
HSL	hsl(219, 76%, 28%)
HSV	hsv(219, 87%, 49%)
CMYK	cmyk(86.5%, 56.3%, 0%, 50.6%)
CIE-LAB	lab(24.82, 15.82, -43.86)
CIE-LCH	lch(24.82, 46.63, 289.83°)
OKLab	oklab(35.73% -0.019 -0.1266)
OKLCH	oklch(35.73% 0.128 261.5)
XYZ	xyz(5.3619, 4.3572, 20.2931)
Luminance	0.0436 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11377E #7E5811

analogous

#116D7E #11377E #22117E

triadic

#11377E #7E1137 #377E11

tetradic

#11377E #7E116D #7E5811 #117E22

square

#11377E #7E116D #7E5811 #117E22

split-complementary

#11377E #7E2211 #6D7E11

monochromatic

#040C1B #0A1F48 #11377E #184FB4 #2768E2

Accessibility & contrast

On white

11.22

#11377E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#11377E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11377E

11.22:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11377E	#FFFFFF	#000000	##FFFFFF
##11377E	1.00	11.22	1.87	11.22
#FFFFFF	11.22	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.22	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004080

Deuteranopia (green-blind)

#00367D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #11377e;
/* rgb */ color: rgb(17, 55, 126);
/* oklch */ color: oklch(35.7% 0.128 261.5);

Tailwind

colors: {
  custom: {
    50: '#656da4',
    500: '#11377e',
    950: '#000000',
  },
}

SCSS

$custom: #11377e;
$custom-light: #656da4;
$custom-dark: #000000;

JSON

{
  "hex": "#11377e",
  "rgb": {
    "r": 17,
    "g": 55,
    "b": 126
  },
  "hsl": {
    "h": 219.083,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35733,
    "c": 0.12804,
    "h": 261.5
  },
  "luminance": 0.04358
}

Semantic roles & 50–950 ramp

primary

#11377E

secondary

#B48837

accent

#B135F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #11377E

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

Preview Lab → · Contrast checker → · Palette generator →