#133789#133789

#133789 is a dark, vivid blue. Relative luminance 0.047; OKLCH L 36.8% C 0.143 H 263.2°. Best body text is #FFFFFF at 10.85:1 contrast (WCAG AA passes).

Color values

HEX	#133789
RGB	rgb(19, 55, 137)
HSL	hsl(222, 76%, 31%)
HSV	hsv(222, 86%, 54%)
CMYK	cmyk(86.1%, 59.9%, 0%, 46.3%)
CIE-LAB	lab(25.79, 20.58, -49.16)
CIE-LCH	lch(25.79, 53.29, 292.71°)
OKLab	oklab(36.77% -0.0169 -0.1421)
OKLCH	oklch(36.77% 0.143 263.2)
XYZ	xyz(6.1485, 4.6762, 24.2406)
Luminance	0.0468 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133789 #896513

analogous

#137289 #133789 #2A1389

triadic

#133789 #891337 #378913

tetradic

#133789 #891372 #896513 #13892A

square

#133789 #891372 #896513 #13892A

split-complementary

#133789 #892A13 #728913

monochromatic

#040C1E #0C2153 #133789 #1A4DBF #3469E3

Accessibility & contrast

On white

10.85

#133789 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.94

#133789 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133789

10.85:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133789	#FFFFFF	#000000	##FFFFFF
##133789	1.00	10.85	1.94	10.85
#FFFFFF	10.85	1.00	21.00	1.00
#000000	1.94	21.00	1.00	21.00
##FFFFFF	10.85	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#00438C

Deuteranopia (green-blind)

#003887

Tritanopia (blue-blind)

#004C5A

Achromatopsia (no color)

#3D3D3D

Design tokens & code

CSS

--color: #133789;
/* rgb */ color: rgb(19, 55, 137);
/* oklch */ color: oklch(36.8% 0.143 263.2);

Tailwind

colors: {
  custom: {
    50: '#686dac',
    500: '#133789',
    950: '#000000',
  },
}

SCSS

$custom: #133789;
$custom-light: #686dac;
$custom-dark: #000000;

JSON

{
  "hex": "#133789",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 137
  },
  "hsl": {
    "h": 221.695,
    "s": 75.641,
    "l": 30.588
  },
  "oklch": {
    "l": 0.3677,
    "c": 0.14315,
    "h": 263.2
  },
  "luminance": 0.04677
}

Semantic roles & 50–950 ramp

primary

#133789

secondary

#BE953A

accent

#B936F2

background

#F6F6FA

surface

#ECEBF4

border

#C7C6CE

text

#070710

muted

#7A7A7F

Preview Lab

Preview with #133789

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

Preview Lab → · Contrast checker → · Palette generator →