#133B6F#133B6F

#133B6F is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.5% C 0.100 H 256.6°. Best body text is #FFFFFF at 11.15:1 contrast (WCAG AA passes).

Color values

HEX	#133B6F
RGB	rgb(19, 59, 111)
HSL	hsl(214, 71%, 25%)
HSV	hsv(214, 83%, 44%)
CMYK	cmyk(82.9%, 46.8%, 0%, 56.5%)
CIE-LAB	lab(24.99, 6.83, -34.06)
CIE-LCH	lch(24.99, 34.74, 281.34°)
OKLab	oklab(35.53% -0.0233 -0.0977)
OKLCH	oklch(35.53% 0.1 256.6)
XYZ	xyz(4.7007, 4.4135, 15.6400)
Luminance	0.0441 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B6F #6F4713

analogous

#13696F #133B6F #19136F

triadic

#133B6F #6F133B #3B6F13

tetradic

#133B6F #6F1369 #6F4713 #136F19

square

#133B6F #6F1369 #6F4713 #136F19

split-complementary

#133B6F #6F1913 #696F13

monochromatic

#040E1A #0A1F3B #133B6F #1C57A3 #2573D8

Accessibility & contrast

On white

11.15

#133B6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#133B6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B6F

11.15:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B6F	#FFFFFF	#000000	##FFFFFF
##133B6F	1.00	11.15	1.88	11.15
#FFFFFF	11.15	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.15	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#204071

Deuteranopia (green-blind)

#0C376E

Tritanopia (blue-blind)

#00474F

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133b6f;
/* rgb */ color: rgb(19, 59, 111);
/* oklch */ color: oklch(35.5% 0.100 256.6);

Tailwind

colors: {
  custom: {
    50: '#617099',
    500: '#133b6f',
    950: '#000000',
  },
}

SCSS

$custom: #133b6f;
$custom-light: #617099;
$custom-dark: #000000;

JSON

{
  "hex": "#133b6f",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 111
  },
  "hsl": {
    "h": 213.913,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.35529,
    "c": 0.10041,
    "h": 256.6
  },
  "luminance": 0.04414
}

Semantic roles & 50–950 ramp

primary

#133B6F

secondary

#A67638

accent

#A03AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133B6F

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

Preview Lab → · Contrast checker → · Palette generator →