#133C7F#133C7F

#133C7F is a dark, vivid blue. Relative luminance 0.049; OKLCH L 37.0% C 0.122 H 260.0°. Best body text is #FFFFFF at 10.60:1 contrast (WCAG AA passes).

Color values

HEX	#133C7F
RGB	rgb(19, 60, 127)
HSL	hsl(217, 74%, 29%)
HSV	hsv(217, 85%, 50%)
CMYK	cmyk(85%, 52.8%, 0%, 50.2%)
CIE-LAB	lab(26.45, 12.88, -41.84)
CIE-LCH	lch(26.45, 43.78, 287.11°)
OKLab	oklab(37.02% -0.0213 -0.1205)
OKLCH	oklch(37.02% 0.122 260)
XYZ	xyz(5.7138, 4.9018, 20.7195)
Luminance	0.0490 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133C7F #7F5613

analogous

#13727F #133C7F #20137F

triadic

#133C7F #7F133C #3C7F13

tetradic

#133C7F #7F1372 #7F5613 #137F20

square

#133C7F #7F1372 #7F5613 #137F20

split-complementary

#133C7F #7F2013 #727F13

monochromatic

#040D1B #0B234A #133C7F #1B55B4 #2D71E0

Accessibility & contrast

On white

10.60

#133C7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.98

#133C7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133C7F

10.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133C7F	#FFFFFF	#000000	##FFFFFF
##133C7F	1.00	10.60	1.98	10.60
#FFFFFF	10.60	1.00	21.00	1.00
#000000	1.98	21.00	1.00	21.00
##FFFFFF	10.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#104481

Deuteranopia (green-blind)

#003A7E

Tritanopia (blue-blind)

#004C57

Achromatopsia (no color)

#3F3F3F

Design tokens & code

CSS

--color: #133c7f;
/* rgb */ color: rgb(19, 60, 127);
/* oklch */ color: oklch(37.0% 0.122 260.0);

Tailwind

colors: {
  custom: {
    50: '#6571a5',
    500: '#133c7f',
    950: '#000000',
  },
}

SCSS

$custom: #133c7f;
$custom-light: #6571a5;
$custom-dark: #000000;

JSON

{
  "hex": "#133c7f",
  "rgb": {
    "r": 19,
    "g": 60,
    "b": 127
  },
  "hsl": {
    "h": 217.222,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37019,
    "c": 0.12241,
    "h": 260
  },
  "luminance": 0.04902
}

Semantic roles & 50–950 ramp

primary

#133C7F

secondary

#B48639

accent

#AA37F1

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #133C7F

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

Preview Lab → · Contrast checker → · Palette generator →