#133E63#133E63

#133E63 is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.5% C 0.080 H 248.3°. Best body text is #FFFFFF at 11.07:1 contrast (WCAG AA passes).

Color values

HEX	#133E63
RGB	rgb(19, 62, 99)
HSL	hsl(208, 68%, 23%)
HSV	hsv(208, 81%, 39%)
CMYK	cmyk(80.8%, 37.4%, 0%, 61.2%)
CIE-LAB	lab(25.21, -0.27, -26.00)
CIE-LCH	lch(25.21, 26.00, 269.40°)
OKLab	oklab(35.45% -0.0294 -0.074)
OKLCH	oklch(35.45% 0.08 248.3)
XYZ	xyz(4.2425, 4.4841, 12.4439)
Luminance	0.0449 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E63 #633813

analogous

#136360 #133E63 #131663

triadic

#133E63 #63133E #3E6313

tetradic

#133E63 #601363 #633813 #166313

square

#133E63 #601363 #633813 #166313

split-complementary

#133E63 #631316 #636013

monochromatic

#05101A #091E30 #133E63 #1D5E96 #277ECA

Accessibility & contrast

On white

11.07

#133E63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.90

#133E63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E63

11.07:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E63	#FFFFFF	#000000	##FFFFFF
##133E63	1.00	11.07	1.90	11.07
#FFFFFF	11.07	1.00	21.00	1.00
#000000	1.90	21.00	1.00	21.00
##FFFFFF	11.07	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2D4065

Deuteranopia (green-blind)

#213862

Tritanopia (blue-blind)

#00474B

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #133e63;
/* rgb */ color: rgb(19, 62, 99);
/* oklch */ color: oklch(35.5% 0.080 248.3);

Tailwind

colors: {
  custom: {
    50: '#5e738f',
    500: '#133e63',
    950: '#000000',
  },
}

SCSS

$custom: #133e63;
$custom-light: #5e738f;
$custom-dark: #000000;

JSON

{
  "hex": "#133e63",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 99
  },
  "hsl": {
    "h": 207.75,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35452,
    "c": 0.07957,
    "h": 248.3
  },
  "luminance": 0.04485
}

Semantic roles & 50–950 ramp

primary

#133E63

secondary

#9B6537

accent

#8D3DEB

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #133E63

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

Preview Lab → · Contrast checker → · Palette generator →