#133D5E#133D5E

#133D5E is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.9% C 0.074 H 246.1°. Best body text is #FFFFFF at 11.31:1 contrast (WCAG AA passes).

Color values

HEX	#133D5E
RGB	rgb(19, 61, 94)
HSL	hsl(206, 66%, 22%)
HSV	hsv(206, 80%, 37%)
CMYK	cmyk(79.8%, 35.1%, 0%, 63.1%)
CIE-LAB	lab(24.59, -1.66, -23.75)
CIE-LCH	lch(24.59, 23.80, 266.01°)
OKLab	oklab(34.87% -0.0299 -0.0674)
OKLCH	oklch(34.87% 0.074 246.1)
XYZ	xyz(3.9569, 4.2836, 11.2058)
Luminance	0.0428 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D5E #5E3413

analogous

#135E5A #133D5E #13175E

triadic

#133D5E #5E133D #3D5E13

tetradic

#133D5E #5A135E #5E3413 #175E13

square

#133D5E #5A135E #5E3413 #175E13

split-complementary

#133D5E #5E1317 #5E5A13

monochromatic

#051119 #091C2B #133D5E #1D5E91 #287FC4

Accessibility & contrast

On white

11.31

#133D5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#133D5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D5E

11.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D5E	#FFFFFF	#000000	##FFFFFF
##133D5E	1.00	11.31	1.86	11.31
#FFFFFF	11.31	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3E5F

Deuteranopia (green-blind)

#23375D

Tritanopia (blue-blind)

#004549

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133d5e;
/* rgb */ color: rgb(19, 61, 94);
/* oklch */ color: oklch(34.9% 0.074 246.1);

Tailwind

colors: {
  custom: {
    50: '#5d728c',
    500: '#133d5e',
    950: '#000000',
  },
}

SCSS

$custom: #133d5e;
$custom-light: #5d728c;
$custom-dark: #000000;

JSON

{
  "hex": "#133d5e",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 94
  },
  "hsl": {
    "h": 206.4,
    "s": 66.372,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34867,
    "c": 0.07372,
    "h": 246.1
  },
  "luminance": 0.04284
}

Semantic roles & 50–950 ramp

primary

#133D5E

secondary

#966137

accent

#8A3FE9

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133D5E

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

Preview Lab → · Contrast checker → · Palette generator →