#11387C#11387C

#11387C is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.8% C 0.124 H 260.7°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#11387C
RGB	rgb(17, 56, 124)
HSL	hsl(218, 76%, 28%)
HSV	hsv(218, 86%, 49%)
CMYK	cmyk(86.3%, 54.8%, 0%, 51.4%)
CIE-LAB	lab(24.96, 14.26, -42.38)
CIE-LCH	lch(24.96, 44.71, 288.60°)
OKLab	oklab(35.79% -0.0199 -0.1222)
OKLCH	oklch(35.79% 0.124 260.7)
XYZ	xyz(5.2821, 4.4021, 19.6362)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11387C #7C5511

analogous

#116D7C #11387C #1F117C

triadic

#11387C #7C1138 #387C11

tetradic

#11387C #7C116D #7C5511 #117C1F

square

#11387C #7C116D #7C5511 #117C1F

split-complementary

#11387C #7C1F11 #6D7C11

monochromatic

#040C1B #0A2046 #11387C #1850B2 #266AE1

Accessibility & contrast

On white

11.17

#11387C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#11387C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11387C

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11387C	#FFFFFF	#000000	##FFFFFF
##11387C	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#04407E

Deuteranopia (green-blind)

#00377B

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #11387c;
/* rgb */ color: rgb(17, 56, 124);
/* oklch */ color: oklch(35.8% 0.124 260.7);

Tailwind

colors: {
  custom: {
    50: '#646ea2',
    500: '#11387c',
    950: '#000000',
  },
}

SCSS

$custom: #11387c;
$custom-light: #646ea2;
$custom-dark: #000000;

JSON

{
  "hex": "#11387c",
  "rgb": {
    "r": 17,
    "g": 56,
    "b": 124
  },
  "hsl": {
    "h": 218.131,
    "s": 75.887,
    "l": 27.647
  },
  "oklch": {
    "l": 0.35789,
    "c": 0.12384,
    "h": 260.7
  },
  "luminance": 0.04403
}

Semantic roles & 50–950 ramp

primary

#11387C

secondary

#B28537

accent

#AE35F2

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #11387C

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

Preview Lab → · Contrast checker → · Palette generator →