#133B71#133B71

#133B71 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.103 H 257.2°. Best body text is #FFFFFF at 11.10:1 contrast (WCAG AA passes).

Color values

HEX	#133B71
RGB	rgb(19, 59, 113)
HSL	hsl(214, 71%, 26%)
HSV	hsv(214, 83%, 44%)
CMYK	cmyk(83.2%, 47.8%, 0%, 55.7%)
CIE-LAB	lab(25.13, 7.68, -35.12)
CIE-LCH	lch(25.13, 35.95, 282.33°)
OKLab	oklab(35.68% -0.0229 -0.1008)
OKLCH	oklch(35.68% 0.103 257.2)
XYZ	xyz(4.8121, 4.4581, 16.2265)
Luminance	0.0446 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B71 #714913

analogous

#136A71 #133B71 #1A1371

triadic

#133B71 #71133B #3B7113

tetradic

#133B71 #71136A #714913 #13711A

square

#133B71 #71136A #714913 #13711A

split-complementary

#133B71 #711A13 #6A7113

monochromatic

#040E1A #0A203D #133B71 #1C56A5 #2572DA

Accessibility & contrast

On white

11.10

#133B71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.89

#133B71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B71

11.10:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B71	#FFFFFF	#000000	##FFFFFF
##133B71	1.00	11.10	1.89	11.10
#FFFFFF	11.10	1.00	21.00	1.00
#000000	1.89	21.00	1.00	21.00
##FFFFFF	11.10	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1E4073

Deuteranopia (green-blind)

#083870

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #133b71;
/* rgb */ color: rgb(19, 59, 113);
/* oklch */ color: oklch(35.7% 0.103 257.2);

Tailwind

colors: {
  custom: {
    50: '#61709a',
    500: '#133b71',
    950: '#000000',
  },
}

SCSS

$custom: #133b71;
$custom-light: #61709a;
$custom-dark: #000000;

JSON

{
  "hex": "#133b71",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 113
  },
  "hsl": {
    "h": 214.468,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.35679,
    "c": 0.10335,
    "h": 257.2
  },
  "luminance": 0.04459
}

Semantic roles & 50–950 ramp

primary

#133B71

secondary

#A87838

accent

#A13AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133B71

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

Preview Lab → · Contrast checker → · Palette generator →