#133B48#133B48

#133B48 is a dark, muted cyan. Relative luminance 0.037; OKLCH L 33.1% C 0.050 H 222.9°. Best body text is #FFFFFF at 12.02:1 contrast (WCAG AA passes).

Color values

HEX	#133B48
RGB	rgb(19, 59, 72)
HSL	hsl(195, 58%, 18%)
HSV	hsv(195, 74%, 28%)
CMYK	cmyk(73.6%, 18.1%, 0%, 71.8%)
CIE-LAB	lab(22.77, -9.07, -12.08)
CIE-LCH	lch(22.77, 15.11, 233.09°)
OKLab	oklab(33.05% -0.0362 -0.0337)
OKLCH	oklch(33.05% 0.05 222.9)
XYZ	xyz(3.0017, 3.7339, 6.6922)
Luminance	0.0373 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B48 #482013

analogous

#13483A #133B48 #132048

triadic

#133B48 #48133B #3B4813

tetradic

#133B48 #3A1348 #482013 #204813

square

#133B48 #3A1348 #482013 #204813

split-complementary

#133B48 #481320 #483A13

monochromatic

#061418 #061418 #133B48 #206378 #2D8AA9

Accessibility & contrast

On white

12.02

#133B48 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.75

#133B48 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B48

12.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B48	#FFFFFF	#000000	##FFFFFF
##133B48	1.00	12.02	1.75	12.02
#FFFFFF	12.02	1.00	21.00	1.00
#000000	1.75	21.00	1.00	21.00
##FFFFFF	12.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#343949

Deuteranopia (green-blind)

#2C3448

Tritanopia (blue-blind)

#003F3F

Achromatopsia (no color)

#363636

Design tokens & code

CSS

--color: #133b48;
/* rgb */ color: rgb(19, 59, 72);
/* oklch */ color: oklch(33.1% 0.050 222.9);

Tailwind

colors: {
  custom: {
    50: '#58717b',
    500: '#133b48',
    950: '#000000',
  },
}

SCSS

$custom: #133b48;
$custom-light: #58717b;
$custom-dark: #000000;

JSON

{
  "hex": "#133b48",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 72
  },
  "hsl": {
    "h": 194.717,
    "s": 58.242,
    "l": 17.843
  },
  "oklch": {
    "l": 0.33054,
    "c": 0.0495,
    "h": 222.9
  },
  "luminance": 0.03734
}

Semantic roles & 50–950 ramp

primary

#133B48

secondary

#814836

accent

#6C46E1

background

#F5F6F7

surface

#E9ECED

border

#C5C7C8

text

#040709

muted

#797A7B

Preview Lab

Preview with #133B48

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

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