#133B6B#133B6B

#133B6B is a dark, moderate cyan. Relative luminance 0.043; OKLCH L 35.2% C 0.095 H 255.2°. Best body text is #FFFFFF at 11.26:1 contrast (WCAG AA passes).

Color values

HEX	#133B6B
RGB	rgb(19, 59, 107)
HSL	hsl(213, 70%, 25%)
HSV	hsv(213, 82%, 42%)
CMYK	cmyk(82.2%, 44.9%, 0%, 58%)
CIE-LAB	lab(24.73, 5.14, -31.93)
CIE-LCH	lch(24.73, 32.34, 279.15°)
OKLab	oklab(35.23% -0.0242 -0.0914)
OKLCH	oklch(35.23% 0.095 255.2)
XYZ	xyz(4.4854, 4.3274, 14.5059)
Luminance	0.0433 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B6B #6B4313

analogous

#13676B #133B6B #17136B

triadic

#133B6B #6B133B #3B6B13

tetradic

#133B6B #6B1367 #6B4313 #136B17

square

#133B6B #6B1367 #6B4313 #136B17

split-complementary

#133B6B #6B1713 #676B13

monochromatic

#050E1A #0A1E37 #133B6B #1C589F #2574D3

Accessibility & contrast

On white

11.26

#133B6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#133B6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B6B

11.26:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B6B	#FFFFFF	#000000	##FFFFFF
##133B6B	1.00	11.26	1.87	11.26
#FFFFFF	11.26	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.26	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#233F6D

Deuteranopia (green-blind)

#13376A

Tritanopia (blue-blind)

#00464D

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133b6b;
/* rgb */ color: rgb(19, 59, 107);
/* oklch */ color: oklch(35.2% 0.095 255.2);

Tailwind

colors: {
  custom: {
    50: '#607096',
    500: '#133b6b',
    950: '#000000',
  },
}

SCSS

$custom: #133b6b;
$custom-light: #607096;
$custom-dark: #000000;

JSON

{
  "hex": "#133b6b",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 107
  },
  "hsl": {
    "h": 212.727,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35234,
    "c": 0.09455,
    "h": 255.2
  },
  "luminance": 0.04328
}

Semantic roles & 50–950 ramp

primary

#133B6B

secondary

#A27238

accent

#9C3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #133B6B

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

Preview Lab → · Contrast checker → · Palette generator →