#133E7D#133E7D

#133E7D is a dark, moderate blue. Relative luminance 0.051; OKLCH L 37.3% C 0.117 H 258.5°. Best body text is #FFFFFF at 10.43:1 contrast (WCAG AA passes).

Color values

HEX	#133E7D
RGB	rgb(19, 62, 125)
HSL	hsl(216, 74%, 28%)
HSV	hsv(216, 85%, 49%)
CMYK	cmyk(84.8%, 50.4%, 0%, 51%)
CIE-LAB	lab(26.92, 10.63, -39.84)
CIE-LCH	lch(26.92, 41.23, 284.94°)
OKLab	oklab(37.33% -0.0232 -0.1146)
OKLCH	oklch(37.33% 0.117 258.5)
XYZ	xyz(5.6915, 5.0637, 20.0755)
Luminance	0.0506 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133E7D #7D5213

analogous

#13737D #133E7D #1D137D

triadic

#133E7D #7D133E #3E7D13

tetradic

#133E7D #7D1373 #7D5213 #137D1D

square

#133E7D #7D1373 #7D5213 #137D1D

split-complementary

#133E7D #7D1D13 #737D13

monochromatic

#040D1B #0B2448 #133E7D #1B58B2 #2C74DF

Accessibility & contrast

On white

10.43

#133E7D on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.01

#133E7D on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133E7D

10.43:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133E7D	#FFFFFF	#000000	##FFFFFF
##133E7D	1.00	10.43	2.01	10.43
#FFFFFF	10.43	1.00	21.00	1.00
#000000	2.01	21.00	1.00	21.00
##FFFFFF	10.43	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#19457F

Deuteranopia (green-blind)

#003B7C

Tritanopia (blue-blind)

#004D57

Achromatopsia (no color)

#404040

Design tokens & code

CSS

--color: #133e7d;
/* rgb */ color: rgb(19, 62, 125);
/* oklch */ color: oklch(37.3% 0.117 258.5);

Tailwind

colors: {
  custom: {
    50: '#6472a3',
    500: '#133e7d',
    950: '#000000',
  },
}

SCSS

$custom: #133e7d;
$custom-light: #6472a3;
$custom-dark: #000000;

JSON

{
  "hex": "#133e7d",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 125
  },
  "hsl": {
    "h": 215.66,
    "s": 73.611,
    "l": 28.235
  },
  "oklch": {
    "l": 0.37326,
    "c": 0.11693,
    "h": 258.5
  },
  "luminance": 0.05064
}

Semantic roles & 50–950 ramp

primary

#133E7D

secondary

#B38139

accent

#A538F0

background

#F6F6FA

surface

#EBECF4

border

#C6C7CE

text

#06070F

muted

#7A7A7F

Preview Lab

Preview with #133E7D

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

Preview Lab → · Contrast checker → · Palette generator →