#133C6F#133C6F

#133C6F is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.8% C 0.099 H 255.9°. Best body text is #FFFFFF at 11.03:1 contrast (WCAG AA passes).

Color values

HEX	#133C6F
RGB	rgb(19, 60, 111)
HSL	hsl(213, 71%, 25%)
HSV	hsv(213, 83%, 44%)
CMYK	cmyk(82.9%, 45.9%, 0%, 56.5%)
CIE-LAB	lab(25.31, 6.13, -33.55)
CIE-LCH	lch(25.31, 34.11, 280.36°)
OKLab	oklab(35.78% -0.0242 -0.0961)
OKLCH	oklch(35.78% 0.099 255.9)
XYZ	xyz(4.7526, 4.5173, 15.6573)
Luminance	0.0452 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C6F #6F4613

analogous

#136A6F #133C6F #18136F

triadic

#133C6F #6F133C #3C6F13

tetradic

#133C6F #6F136A #6F4613 #136F18

square

#133C6F #6F136A #6F4613 #136F18

split-complementary

#133C6F #6F1813 #6A6F13

monochromatic

#040E1A #0A203B #133C6F #1C58A3 #2574D8

Accessibility & contrast

On white

11.03

#133C6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#133C6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C6F

11.03:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C6F	#FFFFFF	#000000	##FFFFFF
##133C6F	1.00	11.03	1.90	11.03
#FFFFFF	11.03	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.03	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#224071

Deuteranopia (green-blind)

#10386E

Tritanopia (blue-blind)

#004850

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #133c6f;
/* rgb */ color: rgb(19, 60, 111);
/* oklch */ color: oklch(35.8% 0.099 255.9);

Tailwind

colors: {
  custom: {
    50: '#617199',
    500: '#133c6f',
    950: '#000000',
  },
}

SCSS

$custom: #133c6f;
$custom-light: #617199;
$custom-dark: #000000;

JSON

{
  "hex": "#133c6f",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 111
  },
  "hsl": {
    "h": 213.261,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35776,
    "c": 0.09915,
    "h": 255.9
  },
  "luminance": 0.04518
}

Semantic roles & 50–950 ramp

primary

#133C6F

secondary

#A67538

accent

#9E3AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133C6F

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

Preview Lab → · Contrast checker → · Palette generator →