#133F6F#133F6F

#133F6F is a dark, moderate cyan. Relative luminance 0.048; OKLCH L 36.5% C 0.095 H 253.6°. Best body text is #FFFFFF at 10.67:1 contrast (WCAG AA passes).

Color values

HEX	#133F6F
RGB	rgb(19, 63, 111)
HSL	hsl(211, 71%, 25%)
HSV	hsv(211, 83%, 44%)
CMYK	cmyk(82.9%, 43.2%, 0%, 56.5%)
CIE-LAB	lab(26.28, 4.05, -32.01)
CIE-LCH	lch(26.28, 32.27, 277.20°)
OKLab	oklab(36.52% -0.027 -0.0916)
OKLCH	oklch(36.52% 0.095 253.6)
XYZ	xyz(4.9142, 4.8406, 15.7112)
Luminance	0.0484 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F6F #6F4313

analogous

#136D6F #133F6F #15136F

triadic

#133F6F #6F133F #3F6F13

tetradic

#133F6F #6F136D #6F4313 #136F15

square

#133F6F #6F136D #6F4313 #136F15

split-complementary

#133F6F #6F1513 #6D6F13

monochromatic

#040F1A #0A213B #133F6F #1C5DA3 #257AD8

Accessibility & contrast

On white

10.67

#133F6F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#133F6F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F6F

10.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F6F	#FFFFFF	#000000	##FFFFFF
##133F6F	1.00	10.67	1.97	10.67
#FFFFFF	10.67	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#274371

Deuteranopia (green-blind)

#183A6E

Tritanopia (blue-blind)

#004A51

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #133f6f;
/* rgb */ color: rgb(19, 63, 111);
/* oklch */ color: oklch(36.5% 0.095 253.6);

Tailwind

colors: {
  custom: {
    50: '#617398',
    500: '#133f6f',
    950: '#000000',
  },
}

SCSS

$custom: #133f6f;
$custom-light: #617398;
$custom-dark: #000000;

JSON

{
  "hex": "#133f6f",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 111
  },
  "hsl": {
    "h": 211.304,
    "s": 70.769,
    "l": 25.49
  },
  "oklch": {
    "l": 0.36524,
    "c": 0.09546,
    "h": 253.6
  },
  "luminance": 0.04841
}

Semantic roles & 50–950 ramp

primary

#133F6F

secondary

#A67138

accent

#983AEE

background

#F6F6F9

surface

#EBECF2

border

#C6C7CC

text

#06080E

muted

#7A7B7E

Preview Lab

Preview with #133F6F

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

Preview Lab → · Contrast checker → · Palette generator →