#11387E#11387E

#11387E is a dark, vivid blue. Relative luminance 0.045; OKLCH L 36.0% C 0.127 H 261.1°. Best body text is #FFFFFF at 11.11:1 contrast (WCAG AA passes).

Color values

HEX	#11387E
RGB	rgb(17, 56, 126)
HSL	hsl(219, 76%, 28%)
HSV	hsv(219, 87%, 49%)
CMYK	cmyk(86.5%, 55.6%, 0%, 50.6%)
CIE-LAB	lab(25.12, 15.11, -43.38)
CIE-LCH	lch(25.12, 45.94, 289.20°)
OKLab	oklab(35.96% -0.0197 -0.1252)
OKLCH	oklch(35.96% 0.127 261.1)
XYZ	xyz(5.4099, 4.4532, 20.3090)
Luminance	0.0445 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11387E #7E5711

analogous

#116E7E #11387E #20117E

triadic

#11387E #7E1138 #387E11

tetradic

#11387E #7E116E #7E5711 #117E20

square

#11387E #7E116E #7E5711 #117E20

split-complementary

#11387E #7E2011 #6E7E11

monochromatic

#040C1B #0A2048 #11387E #1850B4 #276AE2

Accessibility & contrast

On white

11.11

#11387E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#11387E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11387E

11.11:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11387E	#FFFFFF	#000000	##FFFFFF
##11387E	1.00	11.11	1.89	11.11
#FFFFFF	11.11	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.11	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004180

Deuteranopia (green-blind)

#00377D

Tritanopia (blue-blind)

#004955

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #11387e;
/* rgb */ color: rgb(17, 56, 126);
/* oklch */ color: oklch(36.0% 0.127 261.1);

Tailwind

colors: {
  custom: {
    50: '#656ea4',
    500: '#11387e',
    950: '#000000',
  },
}

SCSS

$custom: #11387e;
$custom-light: #656ea4;
$custom-dark: #000000;

JSON

{
  "hex": "#11387e",
  "rgb": {
    "r": 17,
    "g": 56,
    "b": 126
  },
  "hsl": {
    "h": 218.532,
    "s": 76.224,
    "l": 28.039
  },
  "oklch": {
    "l": 0.35959,
    "c": 0.12672,
    "h": 261.1
  },
  "luminance": 0.04454
}

Semantic roles & 50–950 ramp

primary

#11387E

secondary

#B48737

accent

#AF35F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #11387E

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

Preview Lab → · Contrast checker → · Palette generator →