#133C51#133C51

#133C51 is a dark, muted cyan. Relative luminance 0.040; OKLCH L 33.8% C 0.058 H 234.7°. Best body text is #FFFFFF at 11.71:1 contrast (WCAG AA passes).

Color values

HEX	#133C51
RGB	rgb(19, 60, 81)
HSL	hsl(200, 62%, 20%)
HSV	hsv(200, 77%, 32%)
CMYK	cmyk(76.5%, 25.9%, 0%, 68.2%)
CIE-LAB	lab(23.55, -6.24, -16.85)
CIE-LCH	lch(23.55, 17.97, 249.69°)
OKLab	oklab(33.82% -0.0336 -0.0474)
OKLCH	oklch(33.82% 0.058 234.7)
XYZ	xyz(3.3690, 3.9639, 8.3705)
Luminance	0.0396 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C51 #512813

analogous

#135147 #133C51 #131D51

triadic

#133C51 #51133C #3C5113

tetradic

#133C51 #471351 #512813 #1D5113

square

#133C51 #471351 #512813 #1D5113

split-complementary

#133C51 #51131D #514713

monochromatic

#061219 #07171F #133C51 #1F6183 #2A85B4

Accessibility & contrast

On white

11.71

#133C51 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.79

#133C51 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C51

11.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C51	#FFFFFF	#000000	##FFFFFF
##133C51	1.00	11.71	1.79	11.71
#FFFFFF	11.71	1.00	21.00	1.00
#000000	1.79	21.00	1.00	21.00
##FFFFFF	11.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323B52

Deuteranopia (green-blind)

#293551

Tritanopia (blue-blind)

#004243

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133c51;
/* rgb */ color: rgb(19, 60, 81);
/* oklch */ color: oklch(33.8% 0.058 234.7);

Tailwind

colors: {
  custom: {
    50: '#5a7182',
    500: '#133c51',
    950: '#000000',
  },
}

SCSS

$custom: #133c51;
$custom-light: #5a7182;
$custom-dark: #000000;

JSON

{
  "hex": "#133c51",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 81
  },
  "hsl": {
    "h": 200.323,
    "s": 62,
    "l": 19.608
  },
  "oklch": {
    "l": 0.33818,
    "c": 0.05806,
    "h": 234.7
  },
  "luminance": 0.03964
}

Semantic roles & 50–950 ramp

primary

#133C51

secondary

#8A5236

accent

#7A43E5

background

#F5F6F7

surface

#E9ECEE

border

#C5C7C9

text

#04070A

muted

#797A7C

Preview Lab

Preview with #133C51

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

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