#133B4C#133B4C

#133B4C is a dark, muted cyan. Relative luminance 0.038; OKLCH L 33.3% C 0.053 H 229.6°. Best body text is #FFFFFF at 11.95:1 contrast (WCAG AA passes).

Color values

HEX	#133B4C
RGB	rgb(19, 59, 76)
HSL	hsl(198, 60%, 19%)
HSV	hsv(198, 75%, 30%)
CMYK	cmyk(75%, 22.4%, 0%, 70.2%)
CIE-LAB	lab(22.96, -7.54, -14.46)
CIE-LCH	lch(22.96, 16.31, 242.45°)
OKLab	oklab(33.26% -0.0345 -0.0405)
OKLCH	oklch(33.26% 0.053 229.6)
XYZ	xyz(3.1365, 3.7878, 7.4019)
Luminance	0.0379 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B4C #4C2413

analogous

#134C40 #133B4C #131E4C

triadic

#133B4C #4C133B #3B4C13

tetradic

#133B4C #40134C #4C2413 #1E4C13

square

#133B4C #40134C #4C2413 #1E4C13

split-complementary

#133B4C #4C131E #4C4013

monochromatic

#061318 #07151B #133B4C #1F617D #2B87AE

Accessibility & contrast

On white

11.95

#133B4C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.76

#133B4C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B4C

11.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B4C	#FFFFFF	#000000	##FFFFFF
##133B4C	1.00	11.95	1.76	11.95
#FFFFFF	11.95	1.00	21.00	1.00
#000000	1.76	21.00	1.00	21.00
##FFFFFF	11.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323A4D

Deuteranopia (green-blind)

#2A344C

Tritanopia (blue-blind)

#004041

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133b4c;
/* rgb */ color: rgb(19, 59, 76);
/* oklch */ color: oklch(33.3% 0.053 229.6);

Tailwind

colors: {
  custom: {
    50: '#59707e',
    500: '#133b4c',
    950: '#000000',
  },
}

SCSS

$custom: #133b4c;
$custom-light: #59707e;
$custom-dark: #000000;

JSON

{
  "hex": "#133b4c",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 76
  },
  "hsl": {
    "h": 197.895,
    "s": 60,
    "l": 18.627
  },
  "oklch": {
    "l": 0.33264,
    "c": 0.05319,
    "h": 229.6
  },
  "luminance": 0.03788
}

Semantic roles & 50–950 ramp

primary

#133B4C

secondary

#854E36

accent

#7445E3

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#040709

muted

#797A7B

Preview Lab

Preview with #133B4C

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

Preview Lab → · Contrast checker → · Palette generator →