#133C59#133C59

#133C59 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.068 H 243.3°. Best body text is #FFFFFF at 11.55:1 contrast (WCAG AA passes).

Color values

HEX	#133C59
RGB	rgb(19, 60, 89)
HSL	hsl(205, 65%, 21%)
HSV	hsv(205, 79%, 35%)
CMYK	cmyk(78.7%, 32.6%, 0%, 65.1%)
CIE-LAB	lab(23.97, -3.03, -21.46)
CIE-LCH	lch(23.97, 21.67, 261.97°)
OKLab	oklab(34.29% -0.0305 -0.0607)
OKLCH	oklch(34.29% 0.068 243.3)
XYZ	xyz(3.6869, 4.0910, 10.0446)
Luminance	0.0409 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C59 #593013

analogous

#135953 #133C59 #131959

triadic

#133C59 #59133C #3C5913

tetradic

#133C59 #531359 #593013 #195913

square

#133C59 #531359 #593013 #195913

split-complementary

#133C59 #591319 #595313

monochromatic

#051119 #081A27 #133C59 #1E5E8B #2980BE

Accessibility & contrast

On white

11.55

#133C59 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#133C59 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C59

11.55:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C59	#FFFFFF	#000000	##FFFFFF
##133C59	1.00	11.55	1.82	11.55
#FFFFFF	11.55	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.55	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3D5A

Deuteranopia (green-blind)

#253658

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133c59;
/* rgb */ color: rgb(19, 60, 89);
/* oklch */ color: oklch(34.3% 0.068 243.3);

Tailwind

colors: {
  custom: {
    50: '#5c7188',
    500: '#133c59',
    950: '#000000',
  },
}

SCSS

$custom: #133c59;
$custom-light: #5c7188;
$custom-dark: #000000;

JSON

{
  "hex": "#133c59",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 89
  },
  "hsl": {
    "h": 204.857,
    "s": 64.815,
    "l": 21.176
  },
  "oklch": {
    "l": 0.34288,
    "c": 0.06796,
    "h": 243.3
  },
  "luminance": 0.04091
}

Semantic roles & 50–950 ramp

primary

#133C59

secondary

#915C37

accent

#8640E8

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133C59

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

Preview Lab → · Contrast checker → · Palette generator →