#133D4C#133D4C

#133D4C is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.8% C 0.053 H 225.4°. Best body text is #FFFFFF at 11.67:1 contrast (WCAG AA passes).

Color values

HEX	#133D4C
RGB	rgb(19, 61, 76)
HSL	hsl(196, 60%, 19%)
HSV	hsv(196, 75%, 30%)
CMYK	cmyk(75%, 19.7%, 0%, 70.2%)
CIE-LAB	lab(23.66, -8.82, -13.37)
CIE-LCH	lch(23.66, 16.02, 236.59°)
OKLab	oklab(33.83% -0.0369 -0.0374)
OKLCH	oklch(33.83% 0.053 225.4)
XYZ	xyz(3.2413, 3.9974, 7.4368)
Luminance	0.0400 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D4C #4C2213

analogous

#134C3E #133D4C #13204C

triadic

#133D4C #4C133D #3D4C13

tetradic

#133D4C #3E134C #4C2213 #204C13

square

#133D4C #3E134C #4C2213 #204C13

split-complementary

#133D4C #4C1320 #4C3E13

monochromatic

#061418 #07161B #133D4C #1F647D #2B8CAE

Accessibility & contrast

On white

11.67

#133D4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#133D4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D4C

11.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D4C	#FFFFFF	#000000	##FFFFFF
##133D4C	1.00	11.67	1.80	11.67
#FFFFFF	11.67	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#353C4D

Deuteranopia (green-blind)

#2D364C

Tritanopia (blue-blind)

#004142

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133d4c;
/* rgb */ color: rgb(19, 61, 76);
/* oklch */ color: oklch(33.8% 0.053 225.4);

Tailwind

colors: {
  custom: {
    50: '#59727e',
    500: '#133d4c',
    950: '#000000',
  },
}

SCSS

$custom: #133d4c;
$custom-light: #59727e;
$custom-dark: #000000;

JSON

{
  "hex": "#133d4c",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 76
  },
  "hsl": {
    "h": 195.789,
    "s": 60,
    "l": 18.627
  },
  "oklch": {
    "l": 0.33828,
    "c": 0.05252,
    "h": 225.4
  },
  "luminance": 0.03998
}

Semantic roles & 50–950 ramp

primary

#133D4C

secondary

#854B36

accent

#6E45E3

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040809

muted

#797B7B

Preview Lab

Preview with #133D4C

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

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