#133D71#133D71

#133D71 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.2% C 0.101 H 255.8°. Best body text is #FFFFFF at 10.86:1 contrast (WCAG AA passes).

Color values

HEX	#133D71
RGB	rgb(19, 61, 113)
HSL	hsl(213, 71%, 26%)
HSV	hsv(213, 83%, 44%)
CMYK	cmyk(83.2%, 46%, 0%, 55.7%)
CIE-LAB	lab(25.77, 6.28, -34.10)
CIE-LCH	lch(25.77, 34.67, 280.43°)
OKLab	oklab(36.17% -0.0247 -0.0977)
OKLCH	oklch(36.17% 0.101 255.8)
XYZ	xyz(4.9168, 4.6676, 16.2614)
Luminance	0.0467 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D71 #714713

analogous

#136C71 #133D71 #181371

triadic

#133D71 #71133D #3D7113

tetradic

#133D71 #71136C #714713 #137118

square

#133D71 #71136C #714713 #137118

split-complementary

#133D71 #711813 #6C7113

monochromatic

#040E1A #0A213D #133D71 #1C59A5 #2576DA

Accessibility & contrast

On white

10.86

#133D71 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#133D71 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D71

10.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D71	#FFFFFF	#000000	##FFFFFF
##133D71	1.00	10.86	1.93	10.86
#FFFFFF	10.86	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224273

Deuteranopia (green-blind)

#0F3970

Tritanopia (blue-blind)

#004951

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #133d71;
/* rgb */ color: rgb(19, 61, 113);
/* oklch */ color: oklch(36.2% 0.101 255.8);

Tailwind

colors: {
  custom: {
    50: '#61729a',
    500: '#133d71',
    950: '#000000',
  },
}

SCSS

$custom: #133d71;
$custom-light: #61729a;
$custom-dark: #000000;

JSON

{
  "hex": "#133d71",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 113
  },
  "hsl": {
    "h": 213.191,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.3617,
    "c": 0.10081,
    "h": 255.8
  },
  "luminance": 0.04668
}

Semantic roles & 50–950 ramp

primary

#133D71

secondary

#A87638

accent

#9D3AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133D71

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

Preview Lab → · Contrast checker → · Palette generator →