#133F58#133F58

#133F58 is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.0% C 0.064 H 237.8°. Best body text is #FFFFFF at 11.17:1 contrast (WCAG AA passes).

Color values

HEX	#133F58
RGB	rgb(19, 63, 88)
HSL	hsl(202, 64%, 21%)
HSV	hsv(202, 78%, 35%)
CMYK	cmyk(78.4%, 28.4%, 0%, 65.5%)
CIE-LAB	lab(24.94, -5.41, -19.28)
CIE-LCH	lch(24.94, 20.02, 254.31°)
OKLab	oklab(35.04% -0.0343 -0.0543)
OKLCH	oklch(35.04% 0.064 237.8)
XYZ	xyz(3.8068, 4.3976, 9.8788)
Luminance	0.0440 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F58 #582C13

analogous

#13584E #133F58 #131C58

triadic

#133F58 #58133F #3F5813

tetradic

#133F58 #4E1358 #582C13 #1C5813

square

#133F58 #4E1358 #582C13 #1C5813

split-complementary

#133F58 #58131C #584E13

monochromatic

#051219 #081B26 #133F58 #1E638A #2987BD

Accessibility & contrast

On white

11.17

#133F58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.88

#133F58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F58

11.17:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F58	#FFFFFF	#000000	##FFFFFF
##133F58	1.00	11.17	1.88	11.17
#FFFFFF	11.17	1.00	21.00	1.00
#000000	1.88	21.00	1.00	21.00
##FFFFFF	11.17	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#333F59

Deuteranopia (green-blind)

#2A3858

Tritanopia (blue-blind)

#004548

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133f58;
/* rgb */ color: rgb(19, 63, 88);
/* oklch */ color: oklch(35.0% 0.064 237.8);

Tailwind

colors: {
  custom: {
    50: '#5c7387',
    500: '#133f58',
    950: '#000000',
  },
}

SCSS

$custom: #133f58;
$custom-light: #5c7387;
$custom-dark: #000000;

JSON

{
  "hex": "#133f58",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 88
  },
  "hsl": {
    "h": 201.739,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.35043,
    "c": 0.06425,
    "h": 237.8
  },
  "luminance": 0.04398
}

Semantic roles & 50–950 ramp

primary

#133F58

secondary

#905737

accent

#7D40E7

background

#F5F7F8

surface

#E9EDEF

border

#C5C8CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #133F58

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

Preview Lab → · Contrast checker → · Palette generator →