#133E57#133E57

#133E57 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.7% C 0.064 H 238.3°. Best body text is #FFFFFF at 11.32:1 contrast (WCAG AA passes).

Color values

HEX	#133E57
RGB	rgb(19, 62, 87)
HSL	hsl(202, 64%, 21%)
HSV	hsv(202, 78%, 34%)
CMYK	cmyk(78.2%, 28.7%, 0%, 65.9%)
CIE-LAB	lab(24.55, -5.16, -19.24)
CIE-LCH	lch(24.55, 19.92, 254.99°)
OKLab	oklab(34.71% -0.0335 -0.0543)
OKLCH	oklch(34.71% 0.064 238.3)
XYZ	xyz(3.7108, 4.2714, 9.6439)
Luminance	0.0427 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E57 #572C13

analogous

#13574E #133E57 #131C57

triadic

#133E57 #57133E #3E5713

tetradic

#133E57 #4E1357 #572C13 #1C5713

square

#133E57 #4E1357 #572C13 #1C5713

split-complementary

#133E57 #57131C #574E13

monochromatic

#051219 #081A25 #133E57 #1E6289 #2986BB

Accessibility & contrast

On white

11.32

#133E57 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.85

#133E57 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E57

11.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E57	#FFFFFF	#000000	##FFFFFF
##133E57	1.00	11.32	1.85	11.32
#FFFFFF	11.32	1.00	21.00	1.00
#000000	1.85	21.00	1.00	21.00
##FFFFFF	11.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323E58

Deuteranopia (green-blind)

#293757

Tritanopia (blue-blind)

#004447

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133e57;
/* rgb */ color: rgb(19, 62, 87);
/* oklch */ color: oklch(34.7% 0.064 238.3);

Tailwind

colors: {
  custom: {
    50: '#5b7386',
    500: '#133e57',
    950: '#000000',
  },
}

SCSS

$custom: #133e57;
$custom-light: #5b7386;
$custom-dark: #000000;

JSON

{
  "hex": "#133e57",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 87
  },
  "hsl": {
    "h": 202.059,
    "s": 64.151,
    "l": 20.784
  },
  "oklch": {
    "l": 0.34711,
    "c": 0.06378,
    "h": 238.3
  },
  "luminance": 0.04272
}

Semantic roles & 50–950 ramp

primary

#133E57

secondary

#8F5736

accent

#7E41E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #133E57

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

Preview Lab → · Contrast checker → · Palette generator →