#133C7D#133C7D

#133C7D is a dark, moderate blue. Relative luminance 0.049; OKLCH L 36.9% C 0.120 H 259.6°. Best body text is #FFFFFF at 10.66:1 contrast (WCAG AA passes).

Color values

HEX	#133C7D
RGB	rgb(19, 60, 125)
HSL	hsl(217, 74%, 28%)
HSV	hsv(217, 85%, 49%)
CMYK	cmyk(84.8%, 52%, 0%, 51%)
CIE-LAB	lab(26.30, 12.04, -40.83)
CIE-LCH	lch(26.30, 42.57, 286.43°)
OKLab	oklab(36.86% -0.0216 -0.1175)
OKLCH	oklch(36.86% 0.12 259.6)
XYZ	xyz(5.5847, 4.8502, 20.0399)
Luminance	0.0485 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C7D #7D5413

analogous

#13717D #133C7D #1F137D

triadic

#133C7D #7D133C #3C7D13

tetradic

#133C7D #7D1371 #7D5413 #137D1F

square

#133C7D #7D1371 #7D5413 #137D1F

split-complementary

#133C7D #7D1F13 #717D13

monochromatic

#040D1B #0B2248 #133C7D #1B56B2 #2C71DF

Accessibility & contrast

On white

10.66

#133C7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.97

#133C7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C7D

10.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C7D	#FFFFFF	#000000	##FFFFFF
##133C7D	1.00	10.66	1.97	10.66
#FFFFFF	10.66	1.00	21.00	1.00
#000000	1.97	21.00	1.00	21.00
##FFFFFF	10.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#13437F

Deuteranopia (green-blind)

#003A7C

Tritanopia (blue-blind)

#004C56

Achromatopsia (no color)

#3E3E3E

Design tokens & code

CSS

--color: #133c7d;
/* rgb */ color: rgb(19, 60, 125);
/* oklch */ color: oklch(36.9% 0.120 259.6);

Tailwind

colors: {
  custom: {
    50: '#6571a3',
    500: '#133c7d',
    950: '#000000',
  },
}

SCSS

$custom: #133c7d;
$custom-light: #6571a3;
$custom-dark: #000000;

JSON

{
  "hex": "#133c7d",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 125
  },
  "hsl": {
    "h": 216.792,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.36857,
    "c": 0.11952,
    "h": 259.6
  },
  "luminance": 0.04851
}

Semantic roles & 50–950 ramp

primary

#133C7D

secondary

#B38439

accent

#A938F0

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #133C7D

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

Preview Lab → · Contrast checker → · Palette generator →