#113581#113581

#113581 is a dark, vivid blue. Relative luminance 0.043; OKLCH L 35.6% C 0.135 H 262.6°. Best body text is #FFFFFF at 11.35:1 contrast (WCAG AA passes).

Color values

HEX	#113581
RGB	rgb(17, 53, 129)
HSL	hsl(221, 77%, 29%)
HSV	hsv(221, 87%, 51%)
CMYK	cmyk(86.8%, 58.9%, 0%, 49.4%)
CIE-LAB	lab(24.48, 18.50, -46.30)
CIE-LCH	lch(24.48, 49.86, 291.78°)
OKLab	oklab(35.55% -0.0174 -0.1338)
OKLCH	oklch(35.55% 0.135 262.6)
XYZ	xyz(5.4653, 4.2497, 21.2968)
Luminance	0.0425 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#113581 #815D11

analogous

#116D81 #113581 #251181

triadic

#113581 #811135 #358111

tetradic

#113581 #81116D #815D11 #118125

square

#113581 #81116D #815D11 #118125

split-complementary

#113581 #812511 #6D8111

monochromatic

#040B1B #0A1F4B #113581 #184BB7 #2A65E3

Accessibility & contrast

On white

11.35

#113581 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#113581 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #113581

11.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##113581	#FFFFFF	#000000	##FFFFFF
##113581	1.00	11.35	1.85	11.35
#FFFFFF	11.35	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003F84

Deuteranopia (green-blind)

#003580

Tritanopia (blue-blind)

#004855

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #113581;
/* rgb */ color: rgb(17, 53, 129);
/* oklch */ color: oklch(35.6% 0.135 262.6);

Tailwind

colors: {
  custom: {
    50: '#666ba6',
    500: '#113581',
    950: '#000000',
  },
}

SCSS

$custom: #113581;
$custom-light: #666ba6;
$custom-dark: #000000;

JSON

{
  "hex": "#113581",
  "rgb": {
    "r": 17,
    "g": 53,
    "b": 129
  },
  "hsl": {
    "h": 220.714,
    "s": 76.712,
    "l": 28.627
  },
  "oklch": {
    "l": 0.35554,
    "c": 0.13496,
    "h": 262.6
  },
  "luminance": 0.0425
}

Semantic roles & 50–950 ramp

primary

#113581

secondary

#B78E37

accent

#B635F3

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #113581

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

Preview Lab → · Contrast checker → · Palette generator →