#133D58#133D58

#133D58 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.5% C 0.066 H 240.9°. Best body text is #FFFFFF at 11.44:1 contrast (WCAG AA passes).

Color values

HEX	#133D58
RGB	rgb(19, 61, 88)
HSL	hsl(203, 64%, 21%)
HSV	hsv(203, 78%, 35%)
CMYK	cmyk(78.4%, 30.7%, 0%, 65.5%)
CIE-LAB	lab(24.26, -4.10, -20.35)
CIE-LCH	lch(24.26, 20.76, 258.61°)
OKLab	oklab(34.5% -0.032 -0.0575)
OKLCH	oklch(34.5% 0.066 240.9)
XYZ	xyz(3.6981, 4.1801, 9.8426)
Luminance	0.0418 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D58 #582E13

analogous

#135850 #133D58 #131A58

triadic

#133D58 #58133D #3D5813

tetradic

#133D58 #501358 #582E13 #1A5813

square

#133D58 #501358 #582E13 #1A5813

split-complementary

#133D58 #58131A #585013

monochromatic

#051119 #081A26 #133D58 #1E608A #2983BD

Accessibility & contrast

On white

11.44

#133D58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#133D58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D58

11.44:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D58	#FFFFFF	#000000	##FFFFFF
##133D58	1.00	11.44	1.84	11.44
#FFFFFF	11.44	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.44	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#303D59

Deuteranopia (green-blind)

#273758

Tritanopia (blue-blind)

#004446

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133d58;
/* rgb */ color: rgb(19, 61, 88);
/* oklch */ color: oklch(34.5% 0.066 240.9);

Tailwind

colors: {
  custom: {
    50: '#5b7287',
    500: '#133d58',
    950: '#000000',
  },
}

SCSS

$custom: #133d58;
$custom-light: #5b7287;
$custom-dark: #000000;

JSON

{
  "hex": "#133d58",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 88
  },
  "hsl": {
    "h": 203.478,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.34498,
    "c": 0.0658,
    "h": 240.9
  },
  "luminance": 0.04181
}

Semantic roles & 50–950 ramp

primary

#133D58

secondary

#905A37

accent

#8240E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133D58

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

Preview Lab → · Contrast checker → · Palette generator →