#133F90#133F90

#133F90 is a dark, vivid blue. Relative luminance 0.057; OKLCH L 39.1% C 0.143 H 261.3°. Best body text is #FFFFFF at 9.81:1 contrast (WCAG AA passes).

Color values

HEX	#133F90
RGB	rgb(19, 63, 144)
HSL	hsl(219, 77%, 32%)
HSV	hsv(219, 87%, 56%)
CMYK	cmyk(86.8%, 56.3%, 0%, 43.5%)
CIE-LAB	lab(28.66, 17.87, -48.82)
CIE-LCH	lch(28.66, 51.99, 290.10°)
OKLab	oklab(39.12% -0.0215 -0.141)
OKLCH	oklch(39.12% 0.143 261.3)
XYZ	xyz(7.0783, 5.7062, 27.1085)
Luminance	0.0571 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F90 #906413

analogous

#137E90 #133F90 #261390

triadic

#133F90 #90133F #3F9013

tetradic

#133F90 #90137E #906413 #139026

square

#133F90 #90137E #906413 #139026

split-complementary

#133F90 #902613 #7E9013

monochromatic

#051024 #0C275A #133F90 #1A57C6 #3975E5

Accessibility & contrast

On white

9.81

#133F90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.14

#133F90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F90

9.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F90	#FFFFFF	#000000	##FFFFFF
##133F90	1.00	9.81	2.14	9.81
#FFFFFF	9.81	1.00	21.00	1.00
#000000	2.14	21.00	1.00	21.00
##FFFFFF	9.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004993

Deuteranopia (green-blind)

#003E8E

Tritanopia (blue-blind)

#005361

Achromatopsia (no color)

#444444

Design tokens & code

CSS

--color: #133f90;
/* rgb */ color: rgb(19, 63, 144);
/* oklch */ color: oklch(39.1% 0.143 261.3);

Tailwind

colors: {
  custom: {
    50: '#6a73b1',
    500: '#133f90',
    950: '#000000',
  },
}

SCSS

$custom: #133f90;
$custom-light: #6a73b1;
$custom-dark: #000000;

JSON

{
  "hex": "#133f90",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 144
  },
  "hsl": {
    "h": 218.88,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.39115,
    "c": 0.14263,
    "h": 261.3
  },
  "luminance": 0.05707
}

Semantic roles & 50–950 ramp

primary

#133F90

secondary

#C4943B

accent

#B035F3

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080811

muted

#7A7B80

Preview Lab

Preview with #133F90

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

Preview Lab → · Contrast checker → · Palette generator →