#133A5E#133A5E

#133A5E is a dark, moderate cyan. Relative luminance 0.040; OKLCH L 34.1% C 0.077 H 249.7°. Best body text is #FFFFFF at 11.70:1 contrast (WCAG AA passes).

Color values

HEX	#133A5E
RGB	rgb(19, 58, 94)
HSL	hsl(209, 66%, 22%)
HSV	hsv(209, 80%, 37%)
CMYK	cmyk(79.8%, 38.3%, 0%, 63.1%)
CIE-LAB	lab(23.58, 0.39, -25.34)
CIE-LCH	lch(23.58, 25.34, 270.87°)
OKLab	oklab(34.07% -0.0267 -0.0721)
OKLCH	oklch(34.07% 0.077 249.7)
XYZ	xyz(3.8012, 3.9723, 11.1539)
Luminance	0.0397 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A5E #5E3713

analogous

#135E5D #133A5E #13145E

triadic

#133A5E #5E133A #3A5E13

tetradic

#133A5E #5D135E #5E3713 #145E13

square

#133A5E #5D135E #5E3713 #145E13

split-complementary

#133A5E #5E1314 #5E5D13

monochromatic

#051019 #091B2B #133A5E #1D5991 #2879C4

Accessibility & contrast

On white

11.70

#133A5E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#133A5E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A5E

11.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A5E	#FFFFFF	#000000	##FFFFFF
##133A5E	1.00	11.70	1.79	11.70
#FFFFFF	11.70	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#293C5F

Deuteranopia (green-blind)

#1E355D

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133a5e;
/* rgb */ color: rgb(19, 58, 94);
/* oklch */ color: oklch(34.1% 0.077 249.7);

Tailwind

colors: {
  custom: {
    50: '#5d6f8c',
    500: '#133a5e',
    950: '#000000',
  },
}

SCSS

$custom: #133a5e;
$custom-light: #5d6f8c;
$custom-dark: #000000;

JSON

{
  "hex": "#133a5e",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 94
  },
  "hsl": {
    "h": 208.8,
    "s": 66.372,
    "l": 22.157
  },
  "oklch": {
    "l": 0.34074,
    "c": 0.07687,
    "h": 249.7
  },
  "luminance": 0.03973
}

Semantic roles & 50–950 ramp

primary

#133A5E

secondary

#966437

accent

#903FE9

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133A5E

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

Preview Lab → · Contrast checker → · Palette generator →