#133B6C#133B6C

#133B6C is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.3% C 0.096 H 255.5°. Best body text is #FFFFFF at 11.23:1 contrast (WCAG AA passes).

Color values

HEX	#133B6C
RGB	rgb(19, 59, 108)
HSL	hsl(213, 70%, 25%)
HSV	hsv(213, 82%, 42%)
CMYK	cmyk(82.4%, 45.4%, 0%, 57.6%)
CIE-LAB	lab(24.79, 5.57, -32.47)
CIE-LCH	lch(24.79, 32.94, 279.73°)
OKLab	oklab(35.31% -0.024 -0.093)
OKLCH	oklch(35.31% 0.096 255.5)
XYZ	xyz(4.5383, 4.3485, 14.7846)
Luminance	0.0435 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B6C #6C4413

analogous

#13676C #133B6C #18136C

triadic

#133B6C #6C133B #3B6C13

tetradic

#133B6C #6C1367 #6C4413 #136C18

square

#133B6C #6C1367 #6C4413 #136C18

split-complementary

#133B6C #6C1813 #676C13

monochromatic

#050E1A #0A1F38 #133B6C #1C57A0 #2574D4

Accessibility & contrast

On white

11.23

#133B6C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#133B6C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B6C

11.23:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B6C	#FFFFFF	#000000	##FFFFFF
##133B6C	1.00	11.23	1.87	11.23
#FFFFFF	11.23	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.23	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223F6E

Deuteranopia (green-blind)

#12376B

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133b6c;
/* rgb */ color: rgb(19, 59, 108);
/* oklch */ color: oklch(35.3% 0.096 255.5);

Tailwind

colors: {
  custom: {
    50: '#607096',
    500: '#133b6c',
    950: '#000000',
  },
}

SCSS

$custom: #133b6c;
$custom-light: #607096;
$custom-dark: #000000;

JSON

{
  "hex": "#133b6c",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 108
  },
  "hsl": {
    "h": 213.034,
    "s": 70.079,
    "l": 24.902
  },
  "oklch": {
    "l": 0.35307,
    "c": 0.09601,
    "h": 255.5
  },
  "luminance": 0.04349
}

Semantic roles & 50–950 ramp

primary

#133B6C

secondary

#A37338

accent

#9D3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #133B6C

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

Preview Lab → · Contrast checker → · Palette generator →