#133C4E#133C4E

#133C4E is a dark, muted cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.055 H 230.5°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#133C4E
RGB	rgb(19, 60, 78)
HSL	hsl(198, 61%, 19%)
HSV	hsv(198, 76%, 31%)
CMYK	cmyk(75.6%, 23.1%, 0%, 69.4%)
CIE-LAB	lab(23.40, -7.41, -15.09)
CIE-LCH	lch(23.40, 16.81, 243.85°)
OKLab	oklab(33.65% -0.0348 -0.0423)
OKLCH	oklch(33.65% 0.055 230.5)
XYZ	xyz(3.2590, 3.9199, 7.7911)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C4E #4E2513

analogous

#134E43 #133C4E #131F4E

triadic

#133C4E #4E133C #3C4E13

tetradic

#133C4E #43134E #4E2513 #1F4E13

square

#133C4E #43134E #4E2513 #1F4E13

split-complementary

#133C4E #4E131F #4E4313

monochromatic

#061319 #07161D #133C4E #1F627F #2B88B0

Accessibility & contrast

On white

11.77

#133C4E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#133C4E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C4E

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C4E	#FFFFFF	#000000	##FFFFFF
##133C4E	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333B4F

Deuteranopia (green-blind)

#2B354E

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133c4e;
/* rgb */ color: rgb(19, 60, 78);
/* oklch */ color: oklch(33.7% 0.055 230.5);

Tailwind

colors: {
  custom: {
    50: '#59717f',
    500: '#133c4e',
    950: '#000000',
  },
}

SCSS

$custom: #133c4e;
$custom-light: #59717f;
$custom-dark: #000000;

JSON

{
  "hex": "#133c4e",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 78
  },
  "hsl": {
    "h": 198.305,
    "s": 60.825,
    "l": 19.02
  },
  "oklch": {
    "l": 0.33653,
    "c": 0.05481,
    "h": 230.5
  },
  "luminance": 0.0392
}

Semantic roles & 50–950 ramp

primary

#133C4E

secondary

#874F36

accent

#7544E4

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133C4E

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

Preview Lab → · Contrast checker → · Palette generator →