#133F4E#133F4E

#133F4E is a dark, muted cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.054 H 224.4°. Best body text is #FFFFFF at 11.36:1 contrast (WCAG AA passes).

Color values

HEX	#133F4E
RGB	rgb(19, 63, 78)
HSL	hsl(195, 61%, 19%)
HSV	hsv(195, 76%, 31%)
CMYK	cmyk(75.6%, 19.2%, 0%, 69.4%)
CIE-LAB	lab(24.46, -9.31, -13.46)
CIE-LCH	lch(24.46, 16.37, 235.33°)
OKLab	oklab(34.5% -0.0384 -0.0376)
OKLCH	oklch(34.5% 0.054 224.4)
XYZ	xyz(3.4207, 4.2431, 7.8450)
Luminance	0.0424 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F4E #4E2213

analogous

#134E40 #133F4E #13224E

triadic

#133F4E #4E133F #3F4E13

tetradic

#133F4E #40134E #4E2213 #224E13

square

#133F4E #40134E #4E2213 #224E13

split-complementary

#133F4E #4E1322 #4E4013

monochromatic

#061419 #07171D #133F4E #1F677F #2B8EB0

Accessibility & contrast

On white

11.36

#133F4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#133F4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F4E

11.36:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F4E	#FFFFFF	#000000	##FFFFFF
##133F4E	1.00	11.36	1.85	11.36
#FFFFFF	11.36	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.36	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#373D4F

Deuteranopia (green-blind)

#2E374E

Tritanopia (blue-blind)

#004444

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133f4e;
/* rgb */ color: rgb(19, 63, 78);
/* oklch */ color: oklch(34.5% 0.054 224.4);

Tailwind

colors: {
  custom: {
    50: '#5a747f',
    500: '#133f4e',
    950: '#000000',
  },
}

SCSS

$custom: #133f4e;
$custom-light: #5a747f;
$custom-dark: #000000;

JSON

{
  "hex": "#133f4e",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 78
  },
  "hsl": {
    "h": 195.254,
    "s": 60.825,
    "l": 19.02
  },
  "oklch": {
    "l": 0.34496,
    "c": 0.05379,
    "h": 224.4
  },
  "luminance": 0.04244
}

Semantic roles & 50–950 ramp

primary

#133F4E

secondary

#874B36

accent

#6D44E4

background

#F5F7F7

surface

#E9EDEE

border

#C5C8C9

text

#04080A

muted

#797B7C

Preview Lab

Preview with #133F4E

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

Preview Lab → · Contrast checker → · Palette generator →