#133D6F#133D6F

#133D6F is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 36.0% C 0.098 H 255.1°. Best body text is #FFFFFF at 10.91:1 contrast (WCAG AA passes).

Color values

HEX	#133D6F
RGB	rgb(19, 61, 111)
HSL	hsl(213, 71%, 25%)
HSV	hsv(213, 83%, 44%)
CMYK	cmyk(82.9%, 45%, 0%, 56.5%)
CIE-LAB	lab(25.63, 5.43, -33.04)
CIE-LCH	lch(25.63, 33.48, 279.34°)
OKLab	oklab(36.02% -0.0251 -0.0946)
OKLCH	oklch(36.02% 0.098 255.1)
XYZ	xyz(4.8055, 4.6231, 15.6749)
Luminance	0.0462 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D6F #6F4513

analogous

#136B6F #133D6F #17136F

triadic

#133D6F #6F133D #3D6F13

tetradic

#133D6F #6F136B #6F4513 #136F17

square

#133D6F #6F136B #6F4513 #136F17

split-complementary

#133D6F #6F1713 #6B6F13

monochromatic

#040E1A #0A203B #133D6F #1C5AA3 #2576D8

Accessibility & contrast

On white

10.91

#133D6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#133D6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D6F

10.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D6F	#FFFFFF	#000000	##FFFFFF
##133D6F	1.00	10.91	1.92	10.91
#FFFFFF	10.91	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.91	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#244171

Deuteranopia (green-blind)

#13396E

Tritanopia (blue-blind)

#004950

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #133d6f;
/* rgb */ color: rgb(19, 61, 111);
/* oklch */ color: oklch(36.0% 0.098 255.1);

Tailwind

colors: {
  custom: {
    50: '#617299',
    500: '#133d6f',
    950: '#000000',
  },
}

SCSS

$custom: #133d6f;
$custom-light: #617299;
$custom-dark: #000000;

JSON

{
  "hex": "#133d6f",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 111
  },
  "hsl": {
    "h": 212.609,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36024,
    "c": 0.0979,
    "h": 255.1
  },
  "luminance": 0.04624
}

Semantic roles & 50–950 ramp

primary

#133D6F

secondary

#A67438

accent

#9C3AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133D6F

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

Preview Lab → · Contrast checker → · Palette generator →