#133C4D#133C4D

#133C4D is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.6% C 0.054 H 229.1°. Best body text is #FFFFFF at 11.79:1 contrast (WCAG AA passes).

Color values

HEX	#133C4D
RGB	rgb(19, 60, 77)
HSL	hsl(198, 60%, 19%)
HSV	hsv(198, 75%, 30%)
CMYK	cmyk(75.3%, 22.1%, 0%, 69.8%)
CIE-LAB	lab(23.36, -7.80, -14.50)
CIE-LCH	lch(23.36, 16.47, 241.73°)
OKLab	oklab(33.6% -0.0352 -0.0406)
OKLCH	oklch(33.6% 0.054 229.1)
XYZ	xyz(3.2234, 3.9056, 7.6037)
Luminance	0.0391 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C4D #4D2413

analogous

#134D41 #133C4D #131F4D

triadic

#133C4D #4D133C #3C4D13

tetradic

#133C4D #41134D #4D2413 #1F4D13

square

#133C4D #41134D #4D2413 #1F4D13

split-complementary

#133C4D #4D131F #4D4113

monochromatic

#061319 #07161C #133C4D #1F627E #2B89AF

Accessibility & contrast

On white

11.79

#133C4D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#133C4D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C4D

11.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C4D	#FFFFFF	#000000	##FFFFFF
##133C4D	1.00	11.79	1.78	11.79
#FFFFFF	11.79	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4E

Deuteranopia (green-blind)

#2B354D

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133c4d;
/* rgb */ color: rgb(19, 60, 77);
/* oklch */ color: oklch(33.6% 0.054 229.1);

Tailwind

colors: {
  custom: {
    50: '#59717e',
    500: '#133c4d',
    950: '#000000',
  },
}

SCSS

$custom: #133c4d;
$custom-light: #59717e;
$custom-dark: #000000;

JSON

{
  "hex": "#133c4d",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 77
  },
  "hsl": {
    "h": 197.586,
    "s": 60.417,
    "l": 18.824
  },
  "oklch": {
    "l": 0.33599,
    "c": 0.05379,
    "h": 229.1
  },
  "luminance": 0.03906
}

Semantic roles & 50–950 ramp

primary

#133C4D

secondary

#864D36

accent

#7344E4

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133C4D

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

Preview Lab → · Contrast checker → · Palette generator →