#133B59#133B59

#133B59 is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.0% C 0.069 H 244.7°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#133B59
RGB	rgb(19, 59, 89)
HSL	hsl(206, 65%, 21%)
HSV	hsv(206, 79%, 35%)
CMYK	cmyk(78.7%, 33.7%, 0%, 65.1%)
CIE-LAB	lab(23.63, -2.36, -21.99)
CIE-LCH	lch(23.63, 22.12, 263.88°)
OKLab	oklab(34.02% -0.0294 -0.0623)
OKLCH	oklch(34.02% 0.069 244.7)
XYZ	xyz(3.6350, 3.9872, 10.0273)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B59 #593113

analogous

#135954 #133B59 #131859

triadic

#133B59 #59133B #3B5913

tetradic

#133B59 #541359 #593113 #185913

square

#133B59 #541359 #593113 #185913

split-complementary

#133B59 #591318 #595413

monochromatic

#051119 #081A27 #133B59 #1E5C8B #297EBE

Accessibility & contrast

On white

11.68

#133B59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#133B59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B59

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B59	#FFFFFF	#000000	##FFFFFF
##133B59	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3C5A

Deuteranopia (green-blind)

#243558

Tritanopia (blue-blind)

#004246

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133b59;
/* rgb */ color: rgb(19, 59, 89);
/* oklch */ color: oklch(34.0% 0.069 244.7);

Tailwind

colors: {
  custom: {
    50: '#5c7088',
    500: '#133b59',
    950: '#000000',
  },
}

SCSS

$custom: #133b59;
$custom-light: #5c7088;
$custom-dark: #000000;

JSON

{
  "hex": "#133b59",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 89
  },
  "hsl": {
    "h": 205.714,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.34019,
    "c": 0.06889,
    "h": 244.7
  },
  "luminance": 0.03988
}

Semantic roles & 50–950 ramp

primary

#133B59

secondary

#915D37

accent

#8840E8

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133B59

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

Preview Lab → · Contrast checker → · Palette generator →