#133B72#133B72

#133B72 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.8% C 0.105 H 257.5°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#133B72
RGB	rgb(19, 59, 114)
HSL	hsl(215, 71%, 26%)
HSV	hsv(215, 83%, 45%)
CMYK	cmyk(83.3%, 48.2%, 0%, 55.3%)
CIE-LAB	lab(25.20, 8.10, -35.65)
CIE-LCH	lch(25.20, 36.55, 282.81°)
OKLab	oklab(35.75% -0.0227 -0.1023)
OKLCH	oklch(35.75% 0.105 257.5)
XYZ	xyz(4.8687, 4.4807, 16.5246)
Luminance	0.0448 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B72 #724A13

analogous

#136A72 #133B72 #1A1372

triadic

#133B72 #72133B #3B7213

tetradic

#133B72 #72136A #724A13 #13721A

square

#133B72 #72136A #724A13 #13721A

split-complementary

#133B72 #721A13 #6A7213

monochromatic

#040E1A #0A203E #133B72 #1C56A6 #2571DB

Accessibility & contrast

On white

11.07

#133B72 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#133B72 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B72

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B72	#FFFFFF	#000000	##FFFFFF
##133B72	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1D4074

Deuteranopia (green-blind)

#063871

Tritanopia (blue-blind)

#004851

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #133b72;
/* rgb */ color: rgb(19, 59, 114);
/* oklch */ color: oklch(35.8% 0.105 257.5);

Tailwind

colors: {
  custom: {
    50: '#62709b',
    500: '#133b72',
    950: '#000000',
  },
}

SCSS

$custom: #133b72;
$custom-light: #62709b;
$custom-dark: #000000;

JSON

{
  "hex": "#133b72",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 114
  },
  "hsl": {
    "h": 214.737,
    "s": 71.429,
    "l": 26.078
  },
  "oklch": {
    "l": 0.35755,
    "c": 0.10481,
    "h": 257.5
  },
  "luminance": 0.04481
}

Semantic roles & 50–950 ramp

primary

#133B72

secondary

#A97938

accent

#A23AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133B72

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

Preview Lab → · Contrast checker → · Palette generator →