#133E7F#133E7F

#133E7F is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.5% C 0.120 H 259.0°. Best body text is #FFFFFF at 10.38:1 contrast (WCAG AA passes).

Color values

HEX	#133E7F
RGB	rgb(19, 62, 127)
HSL	hsl(216, 74%, 29%)
HSV	hsv(216, 85%, 50%)
CMYK	cmyk(85%, 51.2%, 0%, 50.2%)
CIE-LAB	lab(27.06, 11.47, -40.86)
CIE-LCH	lch(27.06, 42.44, 285.69°)
OKLab	oklab(37.48% -0.0229 -0.1176)
OKLCH	oklch(37.48% 0.12 259)
XYZ	xyz(5.8205, 5.1153, 20.7551)
Luminance	0.0512 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E7F #7F5413

analogous

#13747F #133E7F #1E137F

triadic

#133E7F #7F133E #3E7F13

tetradic

#133E7F #7F1374 #7F5413 #137F1E

square

#133E7F #7F1374 #7F5413 #137F1E

split-complementary

#133E7F #7F1E13 #747F13

monochromatic

#040D1B #0B244A #133E7F #1B58B4 #2D74E0

Accessibility & contrast

On white

10.38

#133E7F on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.02

#133E7F on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E7F

10.38:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E7F	#FFFFFF	#000000	##FFFFFF
##133E7F	1.00	10.38	2.02	10.38
#FFFFFF	10.38	1.00	21.00	1.00
#000000	2.02	21.00	1.00	21.00
##FFFFFF	10.38	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#164581

Deuteranopia (green-blind)

#003B7E

Tritanopia (blue-blind)

#004E58

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #133e7f;
/* rgb */ color: rgb(19, 62, 127);
/* oklch */ color: oklch(37.5% 0.120 259.0);

Tailwind

colors: {
  custom: {
    50: '#6572a5',
    500: '#133e7f',
    950: '#000000',
  },
}

SCSS

$custom: #133e7f;
$custom-light: #6572a5;
$custom-dark: #000000;

JSON

{
  "hex": "#133e7f",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 127
  },
  "hsl": {
    "h": 216.111,
    "s": 73.973,
    "l": 28.627
  },
  "oklch": {
    "l": 0.37484,
    "c": 0.11981,
    "h": 259
  },
  "luminance": 0.05116
}

Semantic roles & 50–950 ramp

primary

#133E7F

secondary

#B48339

accent

#A737F1

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#07070F

muted

#7A7A7F

Preview Lab

Preview with #133E7F

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

Preview Lab → · Contrast checker → · Palette generator →