#133E80#133E80

#133E80 is a dark, vivid blue. Relative luminance 0.051; OKLCH L 37.6% C 0.121 H 259.2°. Best body text is #FFFFFF at 10.35:1 contrast (WCAG AA passes).

Color values

HEX	#133E80
RGB	rgb(19, 62, 128)
HSL	hsl(216, 74%, 29%)
HSV	hsv(216, 85%, 50%)
CMYK	cmyk(85.2%, 51.6%, 0%, 49.8%)
CIE-LAB	lab(27.13, 11.89, -41.37)
CIE-LCH	lch(27.13, 43.04, 286.04°)
OKLab	oklab(37.56% -0.0227 -0.1191)
OKLCH	oklch(37.56% 0.121 259.2)
XYZ	xyz(5.8860, 5.1415, 21.1001)
Luminance	0.0514 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E80 #805513

analogous

#137580 #133E80 #1E1380

triadic

#133E80 #80133E #3E8013

tetradic

#133E80 #801375 #805513 #13801E

square

#133E80 #801375 #805513 #13801E

split-complementary

#133E80 #801E13 #758013

monochromatic

#040D1B #0B244B #133E80 #1B58B5 #2D74E0

Accessibility & contrast

On white

10.35

#133E80 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.03

#133E80 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E80

10.35:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E80	#FFFFFF	#000000	##FFFFFF
##133E80	1.00	10.35	2.03	10.35
#FFFFFF	10.35	1.00	21.00	1.00
#000000	2.03	21.00	1.00	21.00
##FFFFFF	10.35	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#154582

Deuteranopia (green-blind)

#003B7F

Tritanopia (blue-blind)

#004E59

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #133e80;
/* rgb */ color: rgb(19, 62, 128);
/* oklch */ color: oklch(37.6% 0.121 259.2);

Tailwind

colors: {
  custom: {
    50: '#6572a5',
    500: '#133e80',
    950: '#000000',
  },
}

SCSS

$custom: #133e80;
$custom-light: #6572a5;
$custom-dark: #000000;

JSON

{
  "hex": "#133e80",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 128
  },
  "hsl": {
    "h": 216.33,
    "s": 74.15,
    "l": 28.824
  },
  "oklch": {
    "l": 0.37564,
    "c": 0.12125,
    "h": 259.2
  },
  "luminance": 0.05142
}

Semantic roles & 50–950 ramp

primary

#133E80

secondary

#B58439

accent

#A837F1

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #133E80

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

Preview Lab → · Contrast checker → · Palette generator →