#133C58#133C58

#133C58 is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.2% C 0.067 H 242.4°. Best body text is #FFFFFF at 11.57:1 contrast (WCAG AA passes).

Color values

HEX	#133C58
RGB	rgb(19, 60, 88)
HSL	hsl(204, 64%, 21%)
HSV	hsv(204, 78%, 35%)
CMYK	cmyk(78.4%, 31.8%, 0%, 65.5%)
CIE-LAB	lab(23.92, -3.43, -20.89)
CIE-LCH	lch(23.92, 21.17, 260.66°)
OKLab	oklab(34.23% -0.0309 -0.0591)
OKLCH	oklch(34.23% 0.067 242.4)
XYZ	xyz(3.6452, 4.0743, 9.8249)
Luminance	0.0408 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C58 #582F13

analogous

#135851 #133C58 #131958

triadic

#133C58 #58133C #3C5813

tetradic

#133C58 #511358 #582F13 #195813

square

#133C58 #511358 #582F13 #195813

split-complementary

#133C58 #581319 #585113

monochromatic

#051119 #081A26 #133C58 #1E5E8A #2981BD

Accessibility & contrast

On white

11.57

#133C58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#133C58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C58

11.57:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C58	#FFFFFF	#000000	##FFFFFF
##133C58	1.00	11.57	1.82	11.57
#FFFFFF	11.57	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.57	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2F3D59

Deuteranopia (green-blind)

#263657

Tritanopia (blue-blind)

#004346

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133c58;
/* rgb */ color: rgb(19, 60, 88);
/* oklch */ color: oklch(34.2% 0.067 242.4);

Tailwind

colors: {
  custom: {
    50: '#5b7187',
    500: '#133c58',
    950: '#000000',
  },
}

SCSS

$custom: #133c58;
$custom-light: #5b7187;
$custom-dark: #000000;

JSON

{
  "hex": "#133c58",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 88
  },
  "hsl": {
    "h": 204.348,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.34227,
    "c": 0.06665,
    "h": 242.4
  },
  "luminance": 0.04075
}

Semantic roles & 50–950 ramp

primary

#133C58

secondary

#905B37

accent

#8440E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133C58

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

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