#133F6D#133F6D

#133F6D is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.4% C 0.093 H 252.7°. Best body text is #FFFFFF at 10.72:1 contrast (WCAG AA passes).

Color values

HEX	#133F6D
RGB	rgb(19, 63, 109)
HSL	hsl(211, 70%, 25%)
HSV	hsv(211, 83%, 43%)
CMYK	cmyk(82.6%, 42.2%, 0%, 57.3%)
CIE-LAB	lab(26.15, 3.21, -30.94)
CIE-LCH	lch(26.15, 31.11, 275.92°)
OKLab	oklab(36.38% -0.0275 -0.0884)
OKLCH	oklch(36.38% 0.093 252.7)
XYZ	xyz(4.8053, 4.7970, 15.1377)
Luminance	0.0480 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F6D #6D4113

analogous

#136C6D #133F6D #14136D

triadic

#133F6D #6D133F #3F6D13

tetradic

#133F6D #6D136C #6D4113 #136D14

square

#133F6D #6D136C #6D4113 #136D14

split-complementary

#133F6D #6D1413 #6C6D13

monochromatic

#050F1A #0A2139 #133F6D #1C5DA1 #257BD5

Accessibility & contrast

On white

10.72

#133F6D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.96

#133F6D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F6D

10.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F6D	#FFFFFF	#000000	##FFFFFF
##133F6D	1.00	10.72	1.96	10.72
#FFFFFF	10.72	1.00	21.00	1.00
#000000	1.96	21.00	1.00	21.00
##FFFFFF	10.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#29426F

Deuteranopia (green-blind)

#1A3A6C

Tritanopia (blue-blind)

#004A50

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #133f6d;
/* rgb */ color: rgb(19, 63, 109);
/* oklch */ color: oklch(36.4% 0.093 252.7);

Tailwind

colors: {
  custom: {
    50: '#607397',
    500: '#133f6d',
    950: '#000000',
  },
}

SCSS

$custom: #133f6d;
$custom-light: #607397;
$custom-dark: #000000;

JSON

{
  "hex": "#133f6d",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 109
  },
  "hsl": {
    "h": 210.667,
    "s": 70.313,
    "l": 25.098
  },
  "oklch": {
    "l": 0.36384,
    "c": 0.09259,
    "h": 252.7
  },
  "luminance": 0.04798
}

Semantic roles & 50–950 ramp

primary

#133F6D

secondary

#A46F38

accent

#963BED

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #133F6D

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

Preview Lab → · Contrast checker → · Palette generator →