#133980#133980

#133980 is a dark, vivid blue. Relative luminance 0.046; OKLCH L 36.4% C 0.128 H 261.5°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#133980
RGB	rgb(19, 57, 128)
HSL	hsl(219, 74%, 29%)
HSV	hsv(219, 85%, 50%)
CMYK	cmyk(85.2%, 55.5%, 0%, 49.8%)
CIE-LAB	lab(25.63, 15.42, -43.80)
CIE-LCH	lch(25.63, 46.44, 289.40°)
OKLab	oklab(36.42% -0.019 -0.1264)
OKLCH	oklch(36.42% 0.128 261.5)
XYZ	xyz(5.6266, 4.6225, 21.0136)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133980 #805A13

analogous

#137080 #133980 #241380

triadic

#133980 #801339 #398013

tetradic

#133980 #801370 #805A13 #138024

square

#133980 #801370 #805A13 #138024

split-complementary

#133980 #802413 #708013

monochromatic

#040C1B #0B214B #133980 #1B51B5 #2D6CE0

Accessibility & contrast

On white

10.91

#133980 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#133980 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133980

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133980	#FFFFFF	#000000	##FFFFFF
##133980	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004282

Deuteranopia (green-blind)

#00387F

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #133980;
/* rgb */ color: rgb(19, 57, 128);
/* oklch */ color: oklch(36.4% 0.128 261.5);

Tailwind

colors: {
  custom: {
    50: '#666ea5',
    500: '#133980',
    950: '#000000',
  },
}

SCSS

$custom: #133980;
$custom-light: #666ea5;
$custom-dark: #000000;

JSON

{
  "hex": "#133980",
  "rgb": {
    "r": 19,
    "g": 57,
    "b": 128
  },
  "hsl": {
    "h": 219.083,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.36417,
    "c": 0.12779,
    "h": 261.5
  },
  "luminance": 0.04623
}

Semantic roles & 50–950 ramp

primary

#133980

secondary

#B58A39

accent

#B037F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #133980

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

Preview Lab → · Contrast checker → · Palette generator →