#133F68#133F68

#133F68 is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.0% C 0.085 H 250.3°. Best body text is #FFFFFF at 10.83:1 contrast (WCAG AA passes).

Color values

HEX	#133F68
RGB	rgb(19, 63, 104)
HSL	hsl(209, 69%, 24%)
HSV	hsv(209, 82%, 41%)
CMYK	cmyk(81.7%, 39.4%, 0%, 59.2%)
CIE-LAB	lab(25.84, 1.12, -28.23)
CIE-LCH	lch(25.84, 28.25, 272.28°)
OKLab	oklab(36.04% -0.0289 -0.0804)
OKLCH	oklch(36.04% 0.085 250.3)
XYZ	xyz(4.5438, 4.6924, 13.7603)
Luminance	0.0469 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F68 #683C13

analogous

#136867 #133F68 #131568

triadic

#133F68 #68133F #3F6813

tetradic

#133F68 #671368 #683C13 #156813

square

#133F68 #671368 #683C13 #156813

split-complementary

#133F68 #681315 #686713

monochromatic

#05101A #0A2034 #133F68 #1C5E9C #267ECF

Accessibility & contrast

On white

10.83

#133F68 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#133F68 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F68

10.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F68	#FFFFFF	#000000	##FFFFFF
##133F68	1.00	10.83	1.94	10.83
#FFFFFF	10.83	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C416A

Deuteranopia (green-blind)

#1F3A67

Tritanopia (blue-blind)

#00494E

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #133f68;
/* rgb */ color: rgb(19, 63, 104);
/* oklch */ color: oklch(36.0% 0.085 250.3);

Tailwind

colors: {
  custom: {
    50: '#5f7393',
    500: '#133f68',
    950: '#000000',
  },
}

SCSS

$custom: #133f68;
$custom-light: #5f7393;
$custom-dark: #000000;

JSON

{
  "hex": "#133f68",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 104
  },
  "hsl": {
    "h": 208.941,
    "s": 69.106,
    "l": 24.118
  },
  "oklch": {
    "l": 0.36042,
    "c": 0.08548,
    "h": 250.3
  },
  "luminance": 0.04693
}

Semantic roles & 50–950 ramp

primary

#133F68

secondary

#9F6A37

accent

#913CEC

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05080D

muted

#797B7E

Preview Lab

Preview with #133F68

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

Preview Lab → · Contrast checker → · Palette generator →