#133A5F#133A5F

#133A5F is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.078 H 250.3°. Best body text is #FFFFFF at 11.68:1 contrast (WCAG AA passes).

Color values

HEX	#133A5F
RGB	rgb(19, 58, 95)
HSL	hsl(209, 67%, 22%)
HSV	hsv(209, 80%, 37%)
CMYK	cmyk(80%, 38.9%, 0%, 62.7%)
CIE-LAB	lab(23.64, 0.80, -25.90)
CIE-LCH	lch(23.64, 25.91, 271.78°)
OKLab	oklab(34.14% -0.0264 -0.0737)
OKLCH	oklch(34.14% 0.078 250.3)
XYZ	xyz(3.8464, 3.9903, 11.3917)
Luminance	0.0399 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A5F #5F3813

analogous

#135F5E #133A5F #13145F

triadic

#133A5F #5F133A #3A5F13

tetradic

#133A5F #5E135F #5F3813 #145F13

square

#133A5F #5E135F #5F3813 #145F13

split-complementary

#133A5F #5F1314 #5F5E13

monochromatic

#05101A #091B2C #133A5F #1D5992 #2778C5

Accessibility & contrast

On white

11.68

#133A5F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.80

#133A5F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A5F

11.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A5F	#FFFFFF	#000000	##FFFFFF
##133A5F	1.00	11.68	1.80	11.68
#FFFFFF	11.68	1.00	21.00	1.00
#000000	1.80	21.00	1.00	21.00
##FFFFFF	11.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293C61

Deuteranopia (green-blind)

#1E355E

Tritanopia (blue-blind)

#004348

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133a5f;
/* rgb */ color: rgb(19, 58, 95);
/* oklch */ color: oklch(34.1% 0.078 250.3);

Tailwind

colors: {
  custom: {
    50: '#5d6f8c',
    500: '#133a5f',
    950: '#000000',
  },
}

SCSS

$custom: #133a5f;
$custom-light: #5d6f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#133a5f",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 95
  },
  "hsl": {
    "h": 209.211,
    "s": 66.667,
    "l": 22.353
  },
  "oklch": {
    "l": 0.3414,
    "c": 0.07831,
    "h": 250.3
  },
  "luminance": 0.03991
}

Semantic roles & 50–950 ramp

primary

#133A5F

secondary

#976637

accent

#923EEA

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133A5F

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

Preview Lab → · Contrast checker → · Palette generator →