#133B6D#133B6D

#133B6D is a dark, moderate cyan. Relative luminance 0.044; OKLCH L 35.4% C 0.097 H 255.9°. Best body text is #FFFFFF at 11.20:1 contrast (WCAG AA passes).

Color values

HEX	#133B6D
RGB	rgb(19, 59, 109)
HSL	hsl(213, 70%, 25%)
HSV	hsv(213, 83%, 43%)
CMYK	cmyk(82.6%, 45.9%, 0%, 57.3%)
CIE-LAB	lab(24.86, 5.99, -33.00)
CIE-LCH	lch(24.86, 33.54, 280.28°)
OKLab	oklab(35.38% -0.0237 -0.0945)
OKLCH	oklch(35.38% 0.097 255.9)
XYZ	xyz(4.5918, 4.3700, 15.0665)
Luminance	0.0437 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133B6D #6D4513

analogous

#13686D #133B6D #18136D

triadic

#133B6D #6D133B #3B6D13

tetradic

#133B6D #6D1368 #6D4513 #136D18

square

#133B6D #6D1368 #6D4513 #136D18

split-complementary

#133B6D #6D1813 #686D13

monochromatic

#050E1A #0A1F39 #133B6D #1C57A1 #2573D5

Accessibility & contrast

On white

11.20

#133B6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.87

#133B6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133B6D

11.20:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133B6D	#FFFFFF	#000000	##FFFFFF
##133B6D	1.00	11.20	1.87	11.20
#FFFFFF	11.20	1.00	21.00	1.00
#000000	1.87	21.00	1.00	21.00
##FFFFFF	11.20	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#223F6F

Deuteranopia (green-blind)

#10376C

Tritanopia (blue-blind)

#00474E

Achromatopsia (no color)

#3B3B3B

Design tokens & code

CSS

--color: #133b6d;
/* rgb */ color: rgb(19, 59, 109);
/* oklch */ color: oklch(35.4% 0.097 255.9);

Tailwind

colors: {
  custom: {
    50: '#607097',
    500: '#133b6d',
    950: '#000000',
  },
}

SCSS

$custom: #133b6d;
$custom-light: #607097;
$custom-dark: #000000;

JSON

{
  "hex": "#133b6d",
  "rgb": {
    "r": 19,
    "g": 59,
    "b": 109
  },
  "hsl": {
    "h": 213.333,
    "s": 70.313,
    "l": 25.098
  },
  "oklch": {
    "l": 0.3538,
    "c": 0.09748,
    "h": 255.9
  },
  "luminance": 0.04371
}

Semantic roles & 50–950 ramp

primary

#133B6D

secondary

#A47438

accent

#9E3BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #133B6D

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

Preview Lab → · Contrast checker → · Palette generator →