#11377C#11377C

#11377C is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.6% C 0.125 H 261.2°. Best body text is #FFFFFF at 11.28:1 contrast (WCAG AA passes).

Color values

HEX	#11377C
RGB	rgb(17, 55, 124)
HSL	hsl(219, 76%, 28%)
HSV	hsv(219, 86%, 49%)
CMYK	cmyk(86.3%, 55.6%, 0%, 51.4%)
CIE-LAB	lab(24.66, 14.97, -42.86)
CIE-LCH	lch(24.66, 45.40, 289.26°)
OKLab	oklab(35.56% -0.0192 -0.1237)
OKLCH	oklch(35.56% 0.125 261.2)
XYZ	xyz(5.2341, 4.3061, 19.6202)
Luminance	0.0431 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11377C #7C5611

analogous

#116C7C #11377C #21117C

triadic

#11377C #7C1137 #377C11

tetradic

#11377C #7C116C #7C5611 #117C21

square

#11377C #7C116C #7C5611 #117C21

split-complementary

#11377C #7C2111 #6C7C11

monochromatic

#040C1B #0A1F46 #11377C #184FB2 #2669E1

Accessibility & contrast

On white

11.28

#11377C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#11377C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11377C

11.28:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11377C	#FFFFFF	#000000	##FFFFFF
##11377C	1.00	11.28	1.86	11.28
#FFFFFF	11.28	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.28	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00407E

Deuteranopia (green-blind)

#00367B

Tritanopia (blue-blind)

#004854

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #11377c;
/* rgb */ color: rgb(17, 55, 124);
/* oklch */ color: oklch(35.6% 0.125 261.2);

Tailwind

colors: {
  custom: {
    50: '#646da2',
    500: '#11377c',
    950: '#000000',
  },
}

SCSS

$custom: #11377c;
$custom-light: #646da2;
$custom-dark: #000000;

JSON

{
  "hex": "#11377c",
  "rgb": {
    "r": 17,
    "g": 55,
    "b": 124
  },
  "hsl": {
    "h": 218.692,
    "s": 75.887,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35561,
    "c": 0.12516,
    "h": 261.2
  },
  "luminance": 0.04307
}

Semantic roles & 50–950 ramp

primary

#11377C

secondary

#B28637

accent

#AF35F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #11377C

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

Preview Lab → · Contrast checker → · Palette generator →