#133D6B#133D6B

#133D6B is a dark, moderate cyan. Relative luminance 0.045; OKLCH L 35.7% C 0.092 H 253.5°. Best body text is #FFFFFF at 11.01:1 contrast (WCAG AA passes).

Color values

HEX	#133D6B
RGB	rgb(19, 61, 107)
HSL	hsl(211, 70%, 25%)
HSV	hsv(211, 82%, 42%)
CMYK	cmyk(82.2%, 43%, 0%, 58%)
CIE-LAB	lab(25.37, 3.75, -30.90)
CIE-LCH	lch(25.37, 31.12, 276.93°)
OKLab	oklab(35.74% -0.0261 -0.0883)
OKLCH	oklch(35.74% 0.092 253.5)
XYZ	xyz(4.5902, 4.5369, 14.5409)
Luminance	0.0454 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133D6B #6B4113

analogous

#13696B #133D6B #15136B

triadic

#133D6B #6B133D #3D6B13

tetradic

#133D6B #6B1369 #6B4113 #136B15

square

#133D6B #6B1369 #6B4113 #136B15

split-complementary

#133D6B #6B1513 #696B13

monochromatic

#050F1A #0A1F37 #133D6B #1C5B9F #2578D3

Accessibility & contrast

On white

11.01

#133D6B on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.91

#133D6B on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133D6B

11.01:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133D6B	#FFFFFF	#000000	##FFFFFF
##133D6B	1.00	11.01	1.91	11.01
#FFFFFF	11.01	1.00	21.00	1.00
#000000	1.91	21.00	1.00	21.00
##FFFFFF	11.01	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#27406D

Deuteranopia (green-blind)

#18386A

Tritanopia (blue-blind)

#00484E

Achromatopsia (no color)

#3C3C3C

Design tokens & code

CSS

--color: #133d6b;
/* rgb */ color: rgb(19, 61, 107);
/* oklch */ color: oklch(35.7% 0.092 253.5);

Tailwind

colors: {
  custom: {
    50: '#607296',
    500: '#133d6b',
    950: '#000000',
  },
}

SCSS

$custom: #133d6b;
$custom-light: #607296;
$custom-dark: #000000;

JSON

{
  "hex": "#133d6b",
  "rgb": {
    "r": 19,
    "g": 61,
    "b": 107
  },
  "hsl": {
    "h": 211.364,
    "s": 69.841,
    "l": 24.706
  },
  "oklch": {
    "l": 0.35737,
    "c": 0.0921,
    "h": 253.5
  },
  "luminance": 0.04537
}

Semantic roles & 50–950 ramp

primary

#133D6B

secondary

#A26F38

accent

#983BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05070D

muted

#7A7A7E

Preview Lab

Preview with #133D6B

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

Preview Lab → · Contrast checker → · Palette generator →