#133D90#133D90

#133D90 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 38.7% C 0.145 H 262.0°. Best body text is #FFFFFF at 10.01:1 contrast (WCAG AA passes).

Color values

HEX	#133D90
RGB	rgb(19, 61, 144)
HSL	hsl(220, 77%, 32%)
HSV	hsv(220, 87%, 56%)
CMYK	cmyk(86.8%, 57.6%, 0%, 43.5%)
CIE-LAB	lab(28.08, 19.26, -49.76)
CIE-LCH	lch(28.08, 53.35, 291.16°)
OKLab	oklab(38.68% -0.0202 -0.1438)
OKLCH	oklch(38.68% 0.145 262)
XYZ	xyz(6.9695, 5.4887, 27.0722)
Luminance	0.0549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D90 #906613

analogous

#137C90 #133D90 #281390

triadic

#133D90 #90133D #3D9013

tetradic

#133D90 #90137C #906613 #139028

square

#133D90 #90137C #906613 #139028

split-complementary

#133D90 #902813 #7C9013

monochromatic

#050F24 #0C265A #133D90 #1A54C6 #3972E5

Accessibility & contrast

On white

10.01

#133D90 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#133D90 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D90

10.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D90	#FFFFFF	#000000	##FFFFFF
##133D90	1.00	10.01	2.10	10.01
#FFFFFF	10.01	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004893

Deuteranopia (green-blind)

#003D8E

Tritanopia (blue-blind)

#005260

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #133d90;
/* rgb */ color: rgb(19, 61, 144);
/* oklch */ color: oklch(38.7% 0.145 262.0);

Tailwind

colors: {
  custom: {
    50: '#6a71b1',
    500: '#133d90',
    950: '#000000',
  },
}

SCSS

$custom: #133d90;
$custom-light: #6a71b1;
$custom-dark: #000000;

JSON

{
  "hex": "#133d90",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 144
  },
  "hsl": {
    "h": 219.84,
    "s": 76.687,
    "l": 31.961
  },
  "oklch": {
    "l": 0.3868,
    "c": 0.1452,
    "h": 262
  },
  "luminance": 0.0549
}

Semantic roles & 50–950 ramp

primary

#133D90

secondary

#C4963B

accent

#B335F3

background

#F6F6FB

surface

#ECECF6

border

#C7C7D0

text

#080711

muted

#7A7A80

Preview Lab

Preview with #133D90

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

Preview Lab → · Contrast checker → · Palette generator →