#133F73#133F73

#133F73 is a dark, moderate cyan. Relative luminance 0.049; OKLCH L 36.8% C 0.101 H 255.1°. Best body text is #FFFFFF at 10.57:1 contrast (WCAG AA passes).

Color values

HEX	#133F73
RGB	rgb(19, 63, 115)
HSL	hsl(213, 72%, 26%)
HSV	hsv(213, 83%, 45%)
CMYK	cmyk(83.5%, 45.2%, 0%, 54.9%)
CIE-LAB	lab(26.54, 5.73, -34.14)
CIE-LCH	lch(26.54, 34.62, 279.52°)
OKLab	oklab(36.81% -0.026 -0.0978)
OKLCH	oklch(36.81% 0.101 255.1)
XYZ	xyz(5.1394, 4.9306, 16.8972)
Luminance	0.0493 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F73 #734713

analogous

#136F73 #133F73 #171373

triadic

#133F73 #73133F #3F7313

tetradic

#133F73 #73136F #734713 #137317

square

#133F73 #73136F #734713 #137317

split-complementary

#133F73 #731713 #6F7313

monochromatic

#040E1A #0A223E #133F73 #1C5CA8 #2579DB

Accessibility & contrast

On white

10.57

#133F73 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.99

#133F73 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F73

10.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F73	#FFFFFF	#000000	##FFFFFF
##133F73	1.00	10.57	1.99	10.57
#FFFFFF	10.57	1.00	21.00	1.00
#000000	1.99	21.00	1.00	21.00
##FFFFFF	10.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#254375

Deuteranopia (green-blind)

#123B72

Tritanopia (blue-blind)

#004B53

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #133f73;
/* rgb */ color: rgb(19, 63, 115);
/* oklch */ color: oklch(36.8% 0.101 255.1);

Tailwind

colors: {
  custom: {
    50: '#62739c',
    500: '#133f73',
    950: '#000000',
  },
}

SCSS

$custom: #133f73;
$custom-light: #62739c;
$custom-dark: #000000;

JSON

{
  "hex": "#133f73",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 115
  },
  "hsl": {
    "h": 212.5,
    "s": 71.642,
    "l": 26.275
  },
  "oklch": {
    "l": 0.36811,
    "c": 0.10122,
    "h": 255.1
  },
  "luminance": 0.04931
}

Semantic roles & 50–950 ramp

primary

#133F73

secondary

#AA7638

accent

#9B39EE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #133F73

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

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