#133A6B#133A6B

#133A6B is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 35.0% C 0.096 H 255.9°. Best body text is #FFFFFF at 11.38:1 contrast (WCAG AA passes).

Color values

HEX	#133A6B
RGB	rgb(19, 58, 107)
HSL	hsl(213, 70%, 25%)
HSV	hsv(213, 82%, 42%)
CMYK	cmyk(82.2%, 45.8%, 0%, 58%)
CIE-LAB	lab(24.40, 5.85, -32.45)
CIE-LCH	lch(24.40, 32.97, 280.21°)
OKLab	oklab(34.98% -0.0233 -0.0929)
OKLCH	oklch(34.98% 0.096 255.9)
XYZ	xyz(4.4345, 4.2256, 14.4890)
Luminance	0.0423 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A6B #6B4413

analogous

#13666B #133A6B #18136B

triadic

#133A6B #6B133A #3A6B13

tetradic

#133A6B #6B1366 #6B4413 #136B18

square

#133A6B #6B1366 #6B4413 #136B18

split-complementary

#133A6B #6B1813 #666B13

monochromatic

#050E1A #0A1E37 #133A6B #1C569F #2572D3

Accessibility & contrast

On white

11.38

#133A6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#133A6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A6B

11.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A6B	#FFFFFF	#000000	##FFFFFF
##133A6B	1.00	11.38	1.85	11.38
#FFFFFF	11.38	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#213E6D

Deuteranopia (green-blind)

#10366A

Tritanopia (blue-blind)

#00464D

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133a6b;
/* rgb */ color: rgb(19, 58, 107);
/* oklch */ color: oklch(35.0% 0.096 255.9);

Tailwind

colors: {
  custom: {
    50: '#606f96',
    500: '#133a6b',
    950: '#000000',
  },
}

SCSS

$custom: #133a6b;
$custom-light: #606f96;
$custom-dark: #000000;

JSON

{
  "hex": "#133a6b",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 107
  },
  "hsl": {
    "h": 213.409,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.34984,
    "c": 0.09581,
    "h": 255.9
  },
  "luminance": 0.04226
}

Semantic roles & 50–950 ramp

primary

#133A6B

secondary

#A27338

accent

#9E3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #133A6B

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

Preview Lab → · Contrast checker → · Palette generator →