#133A76#133A76

#133A76 is a dark, moderate blue. Relative luminance 0.045; OKLCH L 35.8% C 0.112 H 259.1°. Best body text is #FFFFFF at 11.08:1 contrast (WCAG AA passes).

Color values

HEX	#133A76
RGB	rgb(19, 58, 118)
HSL	hsl(216, 72%, 27%)
HSV	hsv(216, 84%, 46%)
CMYK	cmyk(83.9%, 50.8%, 0%, 53.7%)
CIE-LAB	lab(25.17, 10.50, -38.23)
CIE-LCH	lch(25.17, 39.65, 285.36°)
OKLab	oklab(35.83% -0.0211 -0.11)
OKLCH	oklch(35.83% 0.112 259.1)
XYZ	xyz(5.0504, 4.4720, 17.7330)
Luminance	0.0447 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A76 #764F13

analogous

#136C76 #133A76 #1E1376

triadic

#133A76 #76133A #3A7613

tetradic

#133A76 #76136C #764F13 #13761E

square

#133A76 #76136C #764F13 #13761E

split-complementary

#133A76 #761E13 #6C7613

monochromatic

#040D1A #0B2041 #133A76 #1B54AB #276EDC

Accessibility & contrast

On white

11.08

#133A76 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#133A76 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A76

11.08:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A76	#FFFFFF	#000000	##FFFFFF
##133A76	1.00	11.08	1.89	11.08
#FFFFFF	11.08	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.08	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#174078

Deuteranopia (green-blind)

#003775

Tritanopia (blue-blind)

#004852

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #133a76;
/* rgb */ color: rgb(19, 58, 118);
/* oklch */ color: oklch(35.8% 0.112 259.1);

Tailwind

colors: {
  custom: {
    50: '#636f9e',
    500: '#133a76',
    950: '#000000',
  },
}

SCSS

$custom: #133a76;
$custom-light: #636f9e;
$custom-dark: #000000;

JSON

{
  "hex": "#133a76",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 118
  },
  "hsl": {
    "h": 216.364,
    "s": 72.263,
    "l": 26.863
  },
  "oklch": {
    "l": 0.35826,
    "c": 0.11197,
    "h": 259.1
  },
  "luminance": 0.04473
}

Semantic roles & 50–950 ramp

primary

#133A76

secondary

#AC7F39

accent

#A739EF

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133A76

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

Preview Lab → · Contrast checker → · Palette generator →