#133E58#133E58

#133E58 is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 34.8% C 0.065 H 239.3°. Best body text is #FFFFFF at 11.30:1 contrast (WCAG AA passes).

Color values

HEX	#133E58
RGB	rgb(19, 62, 88)
HSL	hsl(203, 64%, 21%)
HSV	hsv(203, 78%, 35%)
CMYK	cmyk(78.4%, 29.5%, 0%, 65.5%)
CIE-LAB	lab(24.60, -4.76, -19.81)
CIE-LCH	lch(24.60, 20.38, 256.49°)
OKLab	oklab(34.77% -0.0331 -0.0559)
OKLCH	oklch(34.77% 0.065 239.3)
XYZ	xyz(3.7519, 4.2878, 9.8605)
Luminance	0.0429 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E58 #582D13

analogous

#13584F #133E58 #131B58

triadic

#133E58 #58133E #3E5813

tetradic

#133E58 #4F1358 #582D13 #1B5813

square

#133E58 #4F1358 #582D13 #1B5813

split-complementary

#133E58 #58131B #584F13

monochromatic

#051219 #081B26 #133E58 #1E618A #2985BD

Accessibility & contrast

On white

11.30

#133E58 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.86

#133E58 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E58

11.30:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E58	#FFFFFF	#000000	##FFFFFF
##133E58	1.00	11.30	1.86	11.30
#FFFFFF	11.30	1.00	21.00	1.00
#000000	1.86	21.00	1.00	21.00
##FFFFFF	11.30	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#323E59

Deuteranopia (green-blind)

#283758

Tritanopia (blue-blind)

#004547

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133e58;
/* rgb */ color: rgb(19, 62, 88);
/* oklch */ color: oklch(34.8% 0.065 239.3);

Tailwind

colors: {
  custom: {
    50: '#5c7387',
    500: '#133e58',
    950: '#000000',
  },
}

SCSS

$custom: #133e58;
$custom-light: #5c7387;
$custom-dark: #000000;

JSON

{
  "hex": "#133e58",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 88
  },
  "hsl": {
    "h": 202.609,
    "s": 64.486,
    "l": 20.98
  },
  "oklch": {
    "l": 0.3477,
    "c": 0.065,
    "h": 239.3
  },
  "luminance": 0.04288
}

Semantic roles & 50–950 ramp

primary

#133E58

secondary

#905837

accent

#7F40E7

background

#F5F6F8

surface

#E9ECEF

border

#C5C7CA

text

#04080B

muted

#797B7C

Preview Lab

Preview with #133E58

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

Preview Lab → · Contrast checker → · Palette generator →