#133A5C#133A5C

#133A5C is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.9% C 0.074 H 248.3°. Best body text is #FFFFFF at 11.75:1 contrast (WCAG AA passes).

Color values

HEX	#133A5C
RGB	rgb(19, 58, 92)
HSL	hsl(208, 66%, 22%)
HSV	hsv(208, 79%, 36%)
CMYK	cmyk(79.3%, 37%, 0%, 63.9%)
CIE-LAB	lab(23.46, -0.44, -24.22)
CIE-LCH	lch(23.46, 24.22, 268.95°)
OKLab	oklab(33.94% -0.0273 -0.0688)
OKLCH	oklch(33.94% 0.074 248.3)
XYZ	xyz(3.7126, 3.9368, 10.6874)
Luminance	0.0394 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A5C #5C3513

analogous

#135C5A #133A5C #13165C

triadic

#133A5C #5C133A #3A5C13

tetradic

#133A5C #5A135C #5C3513 #165C13

square

#133A5C #5A135C #5C3513 #165C13

split-complementary

#133A5C #5C1316 #5C5A13

monochromatic

#051019 #091A29 #133A5C #1D5A8F #287AC1

Accessibility & contrast

On white

11.75

#133A5C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#133A5C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A5C

11.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A5C	#FFFFFF	#000000	##FFFFFF
##133A5C	1.00	11.75	1.79	11.75
#FFFFFF	11.75	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2A3C5D

Deuteranopia (green-blind)

#20355B

Tritanopia (blue-blind)

#004246

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133a5c;
/* rgb */ color: rgb(19, 58, 92);
/* oklch */ color: oklch(33.9% 0.074 248.3);

Tailwind

colors: {
  custom: {
    50: '#5c6f8a',
    500: '#133a5c',
    950: '#000000',
  },
}

SCSS

$custom: #133a5c;
$custom-light: #5c6f8a;
$custom-dark: #000000;

JSON

{
  "hex": "#133a5c",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 92
  },
  "hsl": {
    "h": 207.945,
    "s": 65.766,
    "l": 21.765
  },
  "oklch": {
    "l": 0.33943,
    "c": 0.07404,
    "h": 248.3
  },
  "luminance": 0.03937
}

Semantic roles & 50–950 ramp

primary

#133A5C

secondary

#946237

accent

#8E3FE9

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133A5C

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

Preview Lab → · Contrast checker → · Palette generator →