#133A58#133A58

#133A58 is a dark, moderate cyan. Relative luminance 0.039; OKLCH L 33.7% C 0.068 H 245.3°. Best body text is #FFFFFF at 11.84:1 contrast (WCAG AA passes).

Color values

HEX	#133A58
RGB	rgb(19, 58, 88)
HSL	hsl(206, 64%, 21%)
HSV	hsv(206, 78%, 35%)
CMYK	cmyk(78.4%, 34.1%, 0%, 65.5%)
CIE-LAB	lab(23.23, -2.09, -21.96)
CIE-LCH	lch(23.23, 22.06, 264.56°)
OKLab	oklab(33.69% -0.0287 -0.0622)
OKLCH	oklch(33.69% 0.068 245.3)
XYZ	xyz(3.5424, 3.8687, 9.7907)
Luminance	0.0387 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133A58 #583113

analogous

#135853 #133A58 #131758

triadic

#133A58 #58133A #3A5813

tetradic

#133A58 #531358 #583113 #175813

square

#133A58 #531358 #583113 #175813

split-complementary

#133A58 #581317 #585313

monochromatic

#051119 #081926 #133A58 #1E5B8A #297CBD

Accessibility & contrast

On white

11.84

#133A58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.77

#133A58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133A58

11.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133A58	#FFFFFF	#000000	##FFFFFF
##133A58	1.00	11.84	1.77	11.84
#FFFFFF	11.84	1.00	21.00	1.00
#000000	1.77	21.00	1.00	21.00
##FFFFFF	11.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C3B59

Deuteranopia (green-blind)

#233457

Tritanopia (blue-blind)

#004145

Achromatopsia (no color)

#373737

Design tokens & code

CSS

--color: #133a58;
/* rgb */ color: rgb(19, 58, 88);
/* oklch */ color: oklch(33.7% 0.068 245.3);

Tailwind

colors: {
  custom: {
    50: '#5b6f87',
    500: '#133a58',
    950: '#000000',
  },
}

SCSS

$custom: #133a58;
$custom-light: #5b6f87;
$custom-dark: #000000;

JSON

{
  "hex": "#133a58",
  "rgb": {
    "r": 19,
    "g": 58,
    "b": 88
  },
  "hsl": {
    "h": 206.087,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.33687,
    "c": 0.06849,
    "h": 245.3
  },
  "luminance": 0.03869
}

Semantic roles & 50–950 ramp

primary

#133A58

secondary

#905E37

accent

#8940E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133A58

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

Preview Lab → · Contrast checker → · Palette generator →