#133B64#133B64

#133B64 is a dark, moderate cyan. Relative luminance 0.042; OKLCH L 34.7% C 0.084 H 252.0°. Best body text is #FFFFFF at 11.43:1 contrast (WCAG AA passes).

Color values

HEX	#133B64
RGB	rgb(19, 59, 100)
HSL	hsl(210, 68%, 23%)
HSV	hsv(210, 81%, 39%)
CMYK	cmyk(81%, 41%, 0%, 60.8%)
CIE-LAB	lab(24.28, 2.20, -28.13)
CIE-LCH	lch(24.28, 28.22, 274.47°)
OKLab	oklab(34.74% -0.026 -0.0802)
OKLCH	oklch(34.74% 0.084 252)
XYZ	xyz(4.1319, 4.1860, 12.6443)
Luminance	0.0419 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B64 #643C13

analogous

#136364 #133B64 #131364

triadic

#133B64 #64133B #3B6413

tetradic

#133B64 #641363 #643C13 #136413

square

#133B64 #641363 #643C13 #136413

split-complementary

#133B64 #641313 #636413

monochromatic

#050F1A #091D31 #133B64 #1D5997 #2778CB

Accessibility & contrast

On white

11.43

#133B64 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.84

#133B64 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B64

11.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B64	#FFFFFF	#000000	##FFFFFF
##133B64	1.00	11.43	1.84	11.43
#FFFFFF	11.43	1.00	21.00	1.00
#000000	1.84	21.00	1.00	21.00
##FFFFFF	11.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#283E66

Deuteranopia (green-blind)

#1B3663

Tritanopia (blue-blind)

#00454A

Achromatopsia (no color)

#3A3A3A

Design tokens & code

CSS

--color: #133b64;
/* rgb */ color: rgb(19, 59, 100);
/* oklch */ color: oklch(34.7% 0.084 252.0);

Tailwind

colors: {
  custom: {
    50: '#5e7090',
    500: '#133b64',
    950: '#000000',
  },
}

SCSS

$custom: #133b64;
$custom-light: #5e7090;
$custom-dark: #000000;

JSON

{
  "hex": "#133b64",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 100
  },
  "hsl": {
    "h": 210.37,
    "s": 68.067,
    "l": 23.333
  },
  "oklch": {
    "l": 0.34739,
    "c": 0.08436,
    "h": 252
  },
  "luminance": 0.04186
}

Semantic roles & 50–950 ramp

primary

#133B64

secondary

#9C6A37

accent

#953DEB

background

#F5F6F8

surface

#EAECF0

border

#C6C7CB

text

#05070C

muted

#797A7D

Preview Lab

Preview with #133B64

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

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