#133C5A#133C5A

#133C5A is a dark, moderate cyan. Relative luminance 0.041; OKLCH L 34.3% C 0.069 H 244.2°. Best body text is #FFFFFF at 11.53:1 contrast (WCAG AA passes).

Color values

HEX	#133C5A
RGB	rgb(19, 60, 90)
HSL	hsl(205, 65%, 21%)
HSV	hsv(205, 79%, 35%)
CMYK	cmyk(78.9%, 33.3%, 0%, 64.7%)
CIE-LAB	lab(24.02, -2.62, -22.02)
CIE-LCH	lch(24.02, 22.18, 263.21°)
OKLab	oklab(34.35% -0.0302 -0.0624)
OKLCH	oklch(34.35% 0.069 244.2)
XYZ	xyz(3.7292, 4.1079, 10.2672)
Luminance	0.0411 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C5A #5A3113

analogous

#135A55 #133C5A #13195A

triadic

#133C5A #5A133C #3C5A13

tetradic

#133C5A #55135A #5A3113 #195A13

square

#133C5A #55135A #5A3113 #195A13

split-complementary

#133C5A #5A1319 #5A5513

monochromatic

#051119 #081A27 #133C5A #1E5E8D #287FBF

Accessibility & contrast

On white

11.53

#133C5A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.82

#133C5A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C5A

11.53:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C5A	#FFFFFF	#000000	##FFFFFF
##133C5A	1.00	11.53	1.82	11.53
#FFFFFF	11.53	1.00	21.00	1.00
#000000	1.82	21.00	1.00	21.00
##FFFFFF	11.53	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E3D5B

Deuteranopia (green-blind)

#243659

Tritanopia (blue-blind)

#004347

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133c5a;
/* rgb */ color: rgb(19, 60, 90);
/* oklch */ color: oklch(34.3% 0.069 244.2);

Tailwind

colors: {
  custom: {
    50: '#5c7189',
    500: '#133c5a',
    950: '#000000',
  },
}

SCSS

$custom: #133c5a;
$custom-light: #5c7189;
$custom-dark: #000000;

JSON

{
  "hex": "#133c5a",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 90
  },
  "hsl": {
    "h": 205.352,
    "s": 65.138,
    "l": 21.373
  },
  "oklch": {
    "l": 0.34349,
    "c": 0.06929,
    "h": 244.2
  },
  "luminance": 0.04108
}

Semantic roles & 50–950 ramp

primary

#133C5A

secondary

#925D37

accent

#8740E8

background

#F5F6F8

surface

#E9ECF0

border

#C5C7CB

text

#04070B

muted

#797A7C

Preview Lab

Preview with #133C5A

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

Preview Lab → · Contrast checker → · Palette generator →