#133A59#133A59

#133A59 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.8% C 0.070 H 246.1°. Best body text is #FFFFFF at 11.82:1 contrast (WCAG AA passes).

Color values

HEX	#133A59
RGB	rgb(19, 58, 89)
HSL	hsl(207, 65%, 21%)
HSV	hsv(207, 79%, 35%)
CMYK	cmyk(78.7%, 34.8%, 0%, 65.1%)
CIE-LAB	lab(23.29, -1.68, -22.53)
CIE-LCH	lch(23.29, 22.59, 265.73°)
OKLab	oklab(33.75% -0.0283 -0.0639)
OKLCH	oklch(33.75% 0.07 246.1)
XYZ	xyz(3.5841, 3.8854, 10.0103)
Luminance	0.0389 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A59 #593213

analogous

#135955 #133A59 #131759

triadic

#133A59 #59133A #3A5913

tetradic

#133A59 #551359 #593213 #175913

square

#133A59 #551359 #593213 #175913

split-complementary

#133A59 #591317 #595513

monochromatic

#051019 #081927 #133A59 #1E5B8B #297CBE

Accessibility & contrast

On white

11.82

#133A59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#133A59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A59

11.82:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A59	#FFFFFF	#000000	##FFFFFF
##133A59	1.00	11.82	1.78	11.82
#FFFFFF	11.82	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.82	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3B5A

Deuteranopia (green-blind)

#223558

Tritanopia (blue-blind)

#004145

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133a59;
/* rgb */ color: rgb(19, 58, 89);
/* oklch */ color: oklch(33.8% 0.070 246.1);

Tailwind

colors: {
  custom: {
    50: '#5c6f88',
    500: '#133a59',
    950: '#000000',
  },
}

SCSS

$custom: #133a59;
$custom-light: #5c6f88;
$custom-dark: #000000;

JSON

{
  "hex": "#133a59",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 89
  },
  "hsl": {
    "h": 206.571,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.3375,
    "c": 0.06987,
    "h": 246.1
  },
  "luminance": 0.03886
}

Semantic roles & 50–950 ramp

primary

#133A59

secondary

#915F37

accent

#8A40E8

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133A59

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

Preview Lab → · Contrast checker → · Palette generator →