#133F63#133F63

#133F63 is a dark, moderate cyan. Relative luminance 0.046; OKLCH L 35.7% C 0.079 H 247.2°. Best body text is #FFFFFF at 10.94:1 contrast (WCAG AA passes).

Color values

HEX	#133F63
RGB	rgb(19, 63, 99)
HSL	hsl(207, 68%, 23%)
HSV	hsv(207, 81%, 39%)
CMYK	cmyk(80.8%, 36.4%, 0%, 61.2%)
CIE-LAB	lab(25.54, -0.95, -25.48)
CIE-LCH	lch(25.54, 25.49, 267.87°)
OKLab	oklab(35.71% -0.0304 -0.0724)
OKLCH	oklch(35.71% 0.079 247.2)
XYZ	xyz(4.2973, 4.5938, 12.4622)
Luminance	0.0459 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F63 #633713

analogous

#13635F #133F63 #131763

triadic

#133F63 #63133F #3F6313

tetradic

#133F63 #5F1363 #633713 #176313

square

#133F63 #5F1363 #633713 #176313

split-complementary

#133F63 #631317 #635F13

monochromatic

#05101A #091E30 #133F63 #1D6096 #2780CA

Accessibility & contrast

On white

10.94

#133F63 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.92

#133F63 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F63

10.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F63	#FFFFFF	#000000	##FFFFFF
##133F63	1.00	10.94	1.92	10.94
#FFFFFF	10.94	1.00	21.00	1.00
#000000	1.92	21.00	1.00	21.00
##FFFFFF	10.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E4165

Deuteranopia (green-blind)

#233962

Tritanopia (blue-blind)

#00484C

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #133f63;
/* rgb */ color: rgb(19, 63, 99);
/* oklch */ color: oklch(35.7% 0.079 247.2);

Tailwind

colors: {
  custom: {
    50: '#5e738f',
    500: '#133f63',
    950: '#000000',
  },
}

SCSS

$custom: #133f63;
$custom-light: #5e738f;
$custom-dark: #000000;

JSON

{
  "hex": "#133f63",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 99
  },
  "hsl": {
    "h": 207,
    "s": 67.797,
    "l": 23.137
  },
  "oklch": {
    "l": 0.35714,
    "c": 0.07852,
    "h": 247.2
  },
  "luminance": 0.04594
}

Semantic roles & 50–950 ramp

primary

#133F63

secondary

#9B6437

accent

#8B3DEB

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05080C

muted

#797B7D

Preview Lab

Preview with #133F63

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

Preview Lab → · Contrast checker → · Palette generator →