#133C66#133C66

#133C66 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.1% C 0.086 H 252.1°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#133C66
RGB	rgb(19, 60, 102)
HSL	hsl(210, 69%, 24%)
HSV	hsv(210, 81%, 40%)
CMYK	cmyk(81.4%, 41.2%, 0%, 60%)
CIE-LAB	lab(24.73, 2.35, -28.70)
CIE-LCH	lch(24.73, 28.80, 274.67°)
OKLab	oklab(35.13% -0.0264 -0.0819)
OKLCH	oklch(35.13% 0.086 252.1)
XYZ	xyz(4.2818, 4.3290, 13.1777)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C66 #663D13

analogous

#136566 #133C66 #131366

triadic

#133C66 #66133C #3C6613

tetradic

#133C66 #661365 #663D13 #136613

square

#133C66 #661365 #663D13 #136613

split-complementary

#133C66 #661313 #656613

monochromatic

#050F1A #091E32 #133C66 #1D5A9A #2679CD

Accessibility & contrast

On white

11.26

#133C66 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#133C66 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C66

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C66	#FFFFFF	#000000	##FFFFFF
##133C66	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283F68

Deuteranopia (green-blind)

#1B3765

Tritanopia (blue-blind)

#00464C

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133c66;
/* rgb */ color: rgb(19, 60, 102);
/* oklch */ color: oklch(35.1% 0.086 252.1);

Tailwind

colors: {
  custom: {
    50: '#5f7192',
    500: '#133c66',
    950: '#000000',
  },
}

SCSS

$custom: #133c66;
$custom-light: #5f7192;
$custom-dark: #000000;

JSON

{
  "hex": "#133c66",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 102
  },
  "hsl": {
    "h": 210.361,
    "s": 68.595,
    "l": 23.725
  },
  "oklch": {
    "l": 0.35134,
    "c": 0.08607,
    "h": 252.1
  },
  "luminance": 0.04329
}

Semantic roles & 50–950 ramp

primary

#133C66

secondary

#9D6B37

accent

#953CEB

background

#F5F6F9

surface

#EAECF1

border

#C6C7CB

text

#05070D

muted

#797A7E

Preview Lab

Preview with #133C66

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

Preview Lab → · Contrast checker → · Palette generator →