#133F6A#133F6A

#133F6A is a dark, moderate cyan. Relative luminance 0.047; OKLCH L 36.2% C 0.088 H 251.3°. Best body text is #FFFFFF at 10.79:1 contrast (WCAG AA passes).

Color values

HEX	#133F6A
RGB	rgb(19, 63, 106)
HSL	hsl(210, 70%, 25%)
HSV	hsv(210, 82%, 42%)
CMYK	cmyk(82.1%, 40.6%, 0%, 58.4%)
CIE-LAB	lab(25.96, 1.96, -29.32)
CIE-LCH	lch(25.96, 29.38, 273.82°)
OKLab	oklab(36.18% -0.0283 -0.0836)
OKLCH	oklch(36.18% 0.088 251.3)
XYZ	xyz(4.6466, 4.7335, 14.3016)
Luminance	0.0473 (WCAG relative)
Temperature	cool
Family	cyan

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133F6A #6A3E13

analogous

#136A6A #133F6A #13146A

triadic

#133F6A #6A133F #3F6A13

tetradic

#133F6A #6A136A #6A3E13 #146A13

square

#133F6A #6A136A #6A3E13 #146A13

split-complementary

#133F6A #6A1314 #6A6A13

monochromatic

#050F1A #0A2036 #133F6A #1C5E9E #267DD2

Accessibility & contrast

On white

10.79

#133F6A on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.95

#133F6A on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133F6A

10.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133F6A	#FFFFFF	#000000	##FFFFFF
##133F6A	1.00	10.79	1.95	10.79
#FFFFFF	10.79	1.00	21.00	1.00
#000000	1.95	21.00	1.00	21.00
##FFFFFF	10.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2B426C

Deuteranopia (green-blind)

#1D3A69

Tritanopia (blue-blind)

#00494F

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #133f6a;
/* rgb */ color: rgb(19, 63, 106);
/* oklch */ color: oklch(36.2% 0.088 251.3);

Tailwind

colors: {
  custom: {
    50: '#607395',
    500: '#133f6a',
    950: '#000000',
  },
}

SCSS

$custom: #133f6a;
$custom-light: #607395;
$custom-dark: #000000;

JSON

{
  "hex": "#133f6a",
  "rgb": {
    "r": 19,
    "g": 63,
    "b": 106
  },
  "hsl": {
    "h": 209.655,
    "s": 69.6,
    "l": 24.51
  },
  "oklch": {
    "l": 0.36177,
    "c": 0.08831,
    "h": 251.3
  },
  "luminance": 0.04734
}

Semantic roles & 50–950 ramp

primary

#133F6A

secondary

#A16C38

accent

#933BEC

background

#F6F6F9

surface

#EBECF1

border

#C6C7CB

text

#05080D

muted

#7A7B7E

Preview Lab

Preview with #133F6A

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

Preview Lab → · Contrast checker → · Palette generator →