#133F65#133F65

#133F65 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.8% C 0.081 H 248.5°. Best body text is #FFFFFF at 10.90:1 contrast (WCAG AA passes).

Color values

HEX	#133F65
RGB	rgb(19, 63, 101)
HSL	hsl(208, 68%, 24%)
HSV	hsv(208, 81%, 40%)
CMYK	cmyk(81.2%, 37.6%, 0%, 60.4%)
CIE-LAB	lab(25.66, -0.12, -26.58)
CIE-LCH	lch(25.66, 26.58, 269.74°)
OKLab	oklab(35.84% -0.0298 -0.0756)
OKLCH	oklch(35.84% 0.081 248.5)
XYZ	xyz(4.3941, 4.6325, 12.9720)
Luminance	0.0463 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F65 #653913

analogous

#136562 #133F65 #131665

triadic

#133F65 #65133F #3F6513

tetradic

#133F65 #621365 #653913 #166513

square

#133F65 #621365 #653913 #166513

split-complementary

#133F65 #651316 #656213

monochromatic

#05101A #091F31 #133F65 #1D5F99 #267FCC

Accessibility & contrast

On white

10.90

#133F65 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.93

#133F65 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F65

10.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F65	#FFFFFF	#000000	##FFFFFF
##133F65	1.00	10.90	1.93	10.90
#FFFFFF	10.90	1.00	21.00	1.00
#000000	1.93	21.00	1.00	21.00
##FFFFFF	10.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4167

Deuteranopia (green-blind)

#213964

Tritanopia (blue-blind)

#00484D

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #133f65;
/* rgb */ color: rgb(19, 63, 101);
/* oklch */ color: oklch(35.8% 0.081 248.5);

Tailwind

colors: {
  custom: {
    50: '#5e7391',
    500: '#133f65',
    950: '#000000',
  },
}

SCSS

$custom: #133f65;
$custom-light: #5e7391;
$custom-dark: #000000;

JSON

{
  "hex": "#133f65",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 101
  },
  "hsl": {
    "h": 207.805,
    "s": 68.333,
    "l": 23.529
  },
  "oklch": {
    "l": 0.35843,
    "c": 0.08128,
    "h": 248.5
  },
  "luminance": 0.04633
}

Semantic roles & 50–950 ramp

primary

#133F65

secondary

#9D6637

accent

#8E3DEB

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #133F65

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

Preview Lab → · Contrast checker → · Palette generator →