#133C5F#133C5F

#133C5F is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.076 H 248.0°. Best body text is #FFFFFF at 11.42:1 contrast (WCAG AA passes).

Color values

HEX	#133C5F
RGB	rgb(19, 60, 95)
HSL	hsl(208, 67%, 22%)
HSV	hsv(208, 80%, 37%)
CMYK	cmyk(80%, 36.8%, 0%, 62.7%)
CIE-LAB	lab(24.31, -0.57, -24.84)
CIE-LCH	lch(24.31, 24.84, 268.69°)
OKLab	oklab(34.67% -0.0285 -0.0706)
OKLCH	oklch(34.67% 0.076 248)
XYZ	xyz(3.9492, 4.1959, 11.4260)
Luminance	0.0420 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C5F #5F3613

analogous

#135F5C #133C5F #13165F

triadic

#133C5F #5F133C #3C5F13

tetradic

#133C5F #5C135F #5F3613 #165F13

square

#133C5F #5C135F #5F3613 #165F13

split-complementary

#133C5F #5F1316 #5F5C13

monochromatic

#05101A #091C2C #133C5F #1D5C92 #277CC5

Accessibility & contrast

On white

11.42

#133C5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#133C5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C5F

11.42:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C5F	#FFFFFF	#000000	##FFFFFF
##133C5F	1.00	11.42	1.84	11.42
#FFFFFF	11.42	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.42	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3E60

Deuteranopia (green-blind)

#21375E

Tritanopia (blue-blind)

#004449

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133c5f;
/* rgb */ color: rgb(19, 60, 95);
/* oklch */ color: oklch(34.7% 0.076 248.0);

Tailwind

colors: {
  custom: {
    50: '#5d718c',
    500: '#133c5f',
    950: '#000000',
  },
}

SCSS

$custom: #133c5f;
$custom-light: #5d718c;
$custom-dark: #000000;

JSON

{
  "hex": "#133c5f",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 95
  },
  "hsl": {
    "h": 207.632,
    "s": 66.667,
    "l": 22.353
  },
  "oklch": {
    "l": 0.34666,
    "c": 0.07612,
    "h": 248
  },
  "luminance": 0.04196
}

Semantic roles & 50–950 ramp

primary

#133C5F

secondary

#976337

accent

#8D3EEA

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133C5F

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

Preview Lab → · Contrast checker → · Palette generator →