#133C7C#133C7C

#133C7C is a dark, moderate blue. Relative luminance 0.048; OKLCH L 36.8% C 0.118 H 259.4°. Best body text is #FFFFFF at 10.69:1 contrast (WCAG AA passes).

Color values

HEX	#133C7C
RGB	rgb(19, 60, 124)
HSL	hsl(217, 73%, 28%)
HSV	hsv(217, 85%, 49%)
CMYK	cmyk(84.7%, 51.6%, 0%, 51.4%)
CIE-LAB	lab(26.23, 11.62, -40.32)
CIE-LCH	lch(26.23, 41.96, 286.08°)
OKLab	oklab(36.78% -0.0218 -0.1161)
OKLCH	oklch(36.78% 0.118 259.4)
XYZ	xyz(5.5212, 4.8247, 19.7051)
Luminance	0.0483 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C7C #7C5313

analogous

#13717C #133C7C #1E137C

triadic

#133C7C #7C133C #3C7C13

tetradic

#133C7C #7C1371 #7C5313 #137C1E

square

#133C7C #7C1371 #7C5313 #137C1E

split-complementary

#133C7C #7C1E13 #717C13

monochromatic

#040D1B #0B2247 #133C7C #1B56B1 #2B71DF

Accessibility & contrast

On white

10.69

#133C7C on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#133C7C on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C7C

10.69:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C7C	#FFFFFF	#000000	##FFFFFF
##133C7C	1.00	10.69	1.97	10.69
#FFFFFF	10.69	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.69	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#15437E

Deuteranopia (green-blind)

#003A7B

Tritanopia (blue-blind)

#004B56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #133c7c;
/* rgb */ color: rgb(19, 60, 124);
/* oklch */ color: oklch(36.8% 0.118 259.4);

Tailwind

colors: {
  custom: {
    50: '#6471a2',
    500: '#133c7c',
    950: '#000000',
  },
}

SCSS

$custom: #133c7c;
$custom-light: #6471a2;
$custom-dark: #000000;

JSON

{
  "hex": "#133c7c",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 124
  },
  "hsl": {
    "h": 216.571,
    "s": 73.427,
    "l": 28.039
  },
  "oklch": {
    "l": 0.36776,
    "c": 0.11809,
    "h": 259.4
  },
  "luminance": 0.04825
}

Semantic roles & 50–950 ramp

primary

#133C7C

secondary

#B28339

accent

#A838F0

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #133C7C

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

Preview Lab → · Contrast checker → · Palette generator →