#133A90#133A90

#133A90 is a dark, vivid blue. Relative luminance 0.052; OKLCH L 38.0% C 0.149 H 262.9°. Best body text is #FFFFFF at 10.32:1 contrast (WCAG AA passes).

Color values

HEX	#133A90
RGB	rgb(19, 58, 144)
HSL	hsl(221, 77%, 32%)
HSV	hsv(221, 87%, 56%)
CMYK	cmyk(86.8%, 59.7%, 0%, 43.5%)
CIE-LAB	lab(27.23, 21.35, -51.14)
CIE-LCH	lch(27.23, 55.42, 292.66°)
OKLab	oklab(38.04% -0.0183 -0.1479)
OKLCH	oklch(38.04% 0.149 262.9)
XYZ	xyz(6.8138, 5.1773, 27.0203)
Luminance	0.0518 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A90 #906913

analogous

#137990 #133A90 #2B1390

triadic

#133A90 #90133A #3A9013

tetradic

#133A90 #901379 #906913 #13902B

square

#133A90 #901379 #906913 #13902B

split-complementary

#133A90 #902B13 #799013

monochromatic

#050E24 #0C245A #133A90 #1A50C6 #396EE5

Accessibility & contrast

On white

10.32

#133A90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.04

#133A90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A90

10.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A90	#FFFFFF	#000000	##FFFFFF
##133A90	1.00	10.32	2.04	10.32
#FFFFFF	10.32	1.00	21.00	1.00
#000000	2.04	21.00	1.00	21.00
##FFFFFF	10.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004693

Deuteranopia (green-blind)

#003B8E

Tritanopia (blue-blind)

#00505F

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #133a90;
/* rgb */ color: rgb(19, 58, 144);
/* oklch */ color: oklch(38.0% 0.149 262.9);

Tailwind

colors: {
  custom: {
    50: '#6a6fb1',
    500: '#133a90',
    950: '#000000',
  },
}

SCSS

$custom: #133a90;
$custom-light: #6a6fb1;
$custom-dark: #000000;

JSON

{
  "hex": "#133a90",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 144
  },
  "hsl": {
    "h": 221.28,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3804,
    "c": 0.14904,
    "h": 262.9
  },
  "luminance": 0.05178
}

Semantic roles & 50–950 ramp

primary

#133A90

secondary

#C4993B

accent

#B835F3

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #133A90

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

Preview Lab → · Contrast checker → · Palette generator →