#133C7E#133C7E

#133C7E is a dark, vivid blue. Relative luminance 0.049; OKLCH L 36.9% C 0.121 H 259.8°. Best body text is #FFFFFF at 10.63:1 contrast (WCAG AA passes).

Color values

HEX	#133C7E
RGB	rgb(19, 60, 126)
HSL	hsl(217, 74%, 28%)
HSV	hsv(217, 85%, 49%)
CMYK	cmyk(84.9%, 52.4%, 0%, 50.6%)
CIE-LAB	lab(26.38, 12.46, -41.34)
CIE-LCH	lch(26.38, 43.17, 286.78°)
OKLab	oklab(36.94% -0.0215 -0.119)
OKLCH	oklch(36.94% 0.121 259.8)
XYZ	xyz(5.6489, 4.8758, 20.3780)
Luminance	0.0488 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C7E #7E5513

analogous

#13717E #133C7E #1F137E

triadic

#133C7E #7E133C #3C7E13

tetradic

#133C7E #7E1371 #7E5513 #137E1F

square

#133C7E #7E1371 #7E5513 #137E1F

split-complementary

#133C7E #7E1F13 #717E13

monochromatic

#040D1B #0B2349 #133C7E #1B55B3 #2C71DF

Accessibility & contrast

On white

10.63

#133C7E on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#133C7E on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C7E

10.63:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C7E	#FFFFFF	#000000	##FFFFFF
##133C7E	1.00	10.63	1.98	10.63
#FFFFFF	10.63	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.63	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#114480

Deuteranopia (green-blind)

#003A7D

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #133c7e;
/* rgb */ color: rgb(19, 60, 126);
/* oklch */ color: oklch(36.9% 0.121 259.8);

Tailwind

colors: {
  custom: {
    50: '#6571a4',
    500: '#133c7e',
    950: '#000000',
  },
}

SCSS

$custom: #133c7e;
$custom-light: #6571a4;
$custom-dark: #000000;

JSON

{
  "hex": "#133c7e",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 126
  },
  "hsl": {
    "h": 217.009,
    "s": 73.793,
    "l": 28.431
  },
  "oklch": {
    "l": 0.36937,
    "c": 0.12097,
    "h": 259.8
  },
  "luminance": 0.04877
}

Semantic roles & 50–950 ramp

primary

#133C7E

secondary

#B48539

accent

#AA37F0

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #133C7E

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

Preview Lab → · Contrast checker → · Palette generator →