#11387D#11387D

#11387D is a dark, vivid blue. Relative luminance 0.044; OKLCH L 35.9% C 0.125 H 260.9°. Best body text is #FFFFFF at 11.14:1 contrast (WCAG AA passes).

Color values

HEX	#11387D
RGB	rgb(17, 56, 125)
HSL	hsl(218, 76%, 28%)
HSV	hsv(218, 86%, 49%)
CMYK	cmyk(86.4%, 55.2%, 0%, 51%)
CIE-LAB	lab(25.04, 14.68, -42.88)
CIE-LCH	lch(25.04, 45.33, 288.90°)
OKLab	oklab(35.87% -0.0198 -0.1237)
OKLCH	oklch(35.87% 0.125 260.9)
XYZ	xyz(5.3457, 4.4275, 19.9709)
Luminance	0.0443 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#11387D #7D5611

analogous

#116E7D #11387D #20117D

triadic

#11387D #7D1138 #387D11

tetradic

#11387D #7D116E #7D5611 #117D20

square

#11387D #7D116E #7D5611 #117D20

split-complementary

#11387D #7D2011 #6E7D11

monochromatic

#040C1B #0A2047 #11387D #1850B3 #276AE2

Accessibility & contrast

On white

11.14

#11387D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#11387D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #11387D

11.14:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##11387D	#FFFFFF	#000000	##FFFFFF
##11387D	1.00	11.14	1.89	11.14
#FFFFFF	11.14	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.14	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#02417F

Deuteranopia (green-blind)

#00377C

Tritanopia (blue-blind)

#004954

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #11387d;
/* rgb */ color: rgb(17, 56, 125);
/* oklch */ color: oklch(35.9% 0.125 260.9);

Tailwind

colors: {
  custom: {
    50: '#646ea3',
    500: '#11387d',
    950: '#000000',
  },
}

SCSS

$custom: #11387d;
$custom-light: #646ea3;
$custom-dark: #000000;

JSON

{
  "hex": "#11387d",
  "rgb": {
    "r": 17,
    "g": 56,
    "b": 125
  },
  "hsl": {
    "h": 218.333,
    "s": 76.056,
    "l": 27.843
  },
  "oklch": {
    "l": 0.35874,
    "c": 0.12529,
    "h": 260.9
  },
  "luminance": 0.04428
}

Semantic roles & 50–950 ramp

primary

#11387D

secondary

#B38637

accent

#AE35F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #11387D

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

Preview Lab → · Contrast checker → · Palette generator →