#133180#133180

#133180 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.7% C 0.138 H 264.4°. Best body text is #FFFFFF at 11.81:1 contrast (WCAG AA passes).

Color values

HEX	#133180
RGB	rgb(19, 49, 128)
HSL	hsl(223, 74%, 29%)
HSV	hsv(223, 85%, 50%)
CMYK	cmyk(85.2%, 61.7%, 0%, 49.8%)
CIE-LAB	lab(23.31, 21.10, -47.57)
CIE-LCH	lch(23.31, 52.04, 293.92°)
OKLab	oklab(34.67% -0.0136 -0.1376)
OKLCH	oklch(34.67% 0.138 264.4)
XYZ	xyz(5.2618, 3.8929, 20.8920)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133180 #806213

analogous

#136880 #133180 #2C1380

triadic

#133180 #801331 #318013

tetradic

#133180 #801368 #806213 #13802C

square

#133180 #801368 #806213 #13802C

split-complementary

#133180 #802C13 #688013

monochromatic

#040A1B #0B1D4B #133180 #1B45B5 #2D5FE0

Accessibility & contrast

On white

11.81

#133180 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#133180 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133180

11.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133180	#FFFFFF	#000000	##FFFFFF
##133180	1.00	11.81	1.78	11.81
#FFFFFF	11.81	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D83

Deuteranopia (green-blind)

#00337E

Tritanopia (blue-blind)

#004553

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133180;
/* rgb */ color: rgb(19, 49, 128);
/* oklch */ color: oklch(34.7% 0.138 264.4);

Tailwind

colors: {
  custom: {
    50: '#6668a6',
    500: '#133180',
    950: '#000000',
  },
}

SCSS

$custom: #133180;
$custom-light: #6668a6;
$custom-dark: #000000;

JSON

{
  "hex": "#133180",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 128
  },
  "hsl": {
    "h": 223.486,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.3467,
    "c": 0.13826,
    "h": 264.4
  },
  "luminance": 0.03894
}

Semantic roles & 50–950 ramp

primary

#133180

secondary

#B59339

accent

#BE37F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #133180

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

Preview Lab → · Contrast checker → · Palette generator →