#133C5D#133C5D

#133C5D is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.073 H 246.6°. Best body text is #FFFFFF at 11.46:1 contrast (WCAG AA passes).

Color values

HEX	#133C5D
RGB	rgb(19, 60, 93)
HSL	hsl(207, 66%, 22%)
HSV	hsv(207, 80%, 36%)
CMYK	cmyk(79.6%, 35.5%, 0%, 63.5%)
CIE-LAB	lab(24.19, -1.39, -23.72)
CIE-LCH	lch(24.19, 23.76, 266.64°)
OKLab	oklab(34.54% -0.0292 -0.0673)
OKLCH	oklch(34.54% 0.073 246.6)
XYZ	xyz(3.8594, 4.1600, 10.9534)
Luminance	0.0416 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C5D #5D3413

analogous

#135D59 #133C5D #13175D

triadic

#133C5D #5D133C #3C5D13

tetradic

#133C5D #59135D #5D3413 #175D13

square

#133C5D #59135D #5D3413 #175D13

split-complementary

#133C5D #5D1317 #5D5913

monochromatic

#051019 #091B2A #133C5D #1D5D90 #287EC3

Accessibility & contrast

On white

11.46

#133C5D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.83

#133C5D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C5D

11.46:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C5D	#FFFFFF	#000000	##FFFFFF
##133C5D	1.00	11.46	1.83	11.46
#FFFFFF	11.46	1.00	21.00	1.00
#000000	1.83	21.00	1.00	21.00
##FFFFFF	11.46	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D3D5E

Deuteranopia (green-blind)

#22365C

Tritanopia (blue-blind)

#004448

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133c5d;
/* rgb */ color: rgb(19, 60, 93);
/* oklch */ color: oklch(34.5% 0.073 246.6);

Tailwind

colors: {
  custom: {
    50: '#5c718b',
    500: '#133c5d',
    950: '#000000',
  },
}

SCSS

$custom: #133c5d;
$custom-light: #5c718b;
$custom-dark: #000000;

JSON

{
  "hex": "#133c5d",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 93
  },
  "hsl": {
    "h": 206.757,
    "s": 66.071,
    "l": 21.961
  },
  "oklch": {
    "l": 0.34537,
    "c": 0.07335,
    "h": 246.6
  },
  "luminance": 0.0416
}

Semantic roles & 50–950 ramp

primary

#133C5D

secondary

#956137

accent

#8B3FE9

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133C5D

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

Preview Lab → · Contrast checker → · Palette generator →