#133B90#133B90

#133B90 is a dark, vivid blue. Relative luminance 0.053; OKLCH L 38.3% C 0.148 H 262.6°. Best body text is #FFFFFF at 10.21:1 contrast (WCAG AA passes).

Color values

HEX	#133B90
RGB	rgb(19, 59, 144)
HSL	hsl(221, 77%, 32%)
HSV	hsv(221, 87%, 56%)
CMYK	cmyk(86.8%, 59%, 0%, 43.5%)
CIE-LAB	lab(27.52, 20.66, -50.68)
CIE-LCH	lch(27.52, 54.73, 292.18°)
OKLab	oklab(38.25% -0.0189 -0.1465)
OKLCH	oklch(38.25% 0.148 262.6)
XYZ	xyz(6.8648, 5.2791, 27.0373)
Luminance	0.0528 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B90 #906813

analogous

#137A90 #133B90 #2A1390

triadic

#133B90 #90133B #3B9013

tetradic

#133B90 #90137A #906813 #13902A

square

#133B90 #90137A #906813 #13902A

split-complementary

#133B90 #902A13 #7A9013

monochromatic

#050F24 #0C255A #133B90 #1A51C6 #3970E5

Accessibility & contrast

On white

10.21

#133B90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.06

#133B90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B90

10.21:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B90	#FFFFFF	#000000	##FFFFFF
##133B90	1.00	10.21	2.06	10.21
#FFFFFF	10.21	1.00	21.00	1.00
#000000	2.06	21.00	1.00	21.00
##FFFFFF	10.21	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004793

Deuteranopia (green-blind)

#003C8E

Tritanopia (blue-blind)

#00515F

Achromatopsia (no color)

#414141

Design tokens & code

CSS

--color: #133b90;
/* rgb */ color: rgb(19, 59, 144);
/* oklch */ color: oklch(38.3% 0.148 262.6);

Tailwind

colors: {
  custom: {
    50: '#6a70b1',
    500: '#133b90',
    950: '#000000',
  },
}

SCSS

$custom: #133b90;
$custom-light: #6a70b1;
$custom-dark: #000000;

JSON

{
  "hex": "#133b90",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 144
  },
  "hsl": {
    "h": 220.8,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.38251,
    "c": 0.14776,
    "h": 262.6
  },
  "luminance": 0.0528
}

Semantic roles & 50–950 ramp

primary

#133B90

secondary

#C4983B

accent

#B635F3

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #133B90

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

Preview Lab → · Contrast checker → · Palette generator →