#133181#133181

#133181 is a dark, vivid blue. Relative luminance 0.039; OKLCH L 34.8% C 0.140 H 264.4°. Best body text is #FFFFFF at 11.77:1 contrast (WCAG AA passes).

Color values

HEX	#133181
RGB	rgb(19, 49, 129)
HSL	hsl(224, 74%, 29%)
HSV	hsv(224, 85%, 51%)
CMYK	cmyk(85.3%, 62%, 0%, 49.4%)
CIE-LAB	lab(23.40, 21.51, -48.06)
CIE-LCH	lch(23.40, 52.65, 294.12°)
OKLab	oklab(34.76% -0.0135 -0.139)
OKLCH	oklch(34.76% 0.14 264.4)
XYZ	xyz(5.3279, 3.9194, 21.2403)
Luminance	0.0392 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133181 #816313

analogous

#136881 #133181 #2C1381

triadic

#133181 #811331 #318113

tetradic

#133181 #811368 #816313 #13812C

square

#133181 #811368 #816313 #13812C

split-complementary

#133181 #812C13 #688113

monochromatic

#040A1B #0B1D4C #133181 #1B45B6 #2E5FE0

Accessibility & contrast

On white

11.77

#133181 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.78

#133181 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133181

11.77:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133181	#FFFFFF	#000000	##FFFFFF
##133181	1.00	11.77	1.78	11.77
#FFFFFF	11.77	1.00	21.00	1.00
#000000	1.78	21.00	1.00	21.00
##FFFFFF	11.77	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003D84

Deuteranopia (green-blind)

#00337F

Tritanopia (blue-blind)

#004654

Achromatopsia (no color)

#383838

Design tokens & code

CSS

--color: #133181;
/* rgb */ color: rgb(19, 49, 129);
/* oklch */ color: oklch(34.8% 0.140 264.4);

Tailwind

colors: {
  custom: {
    50: '#6668a6',
    500: '#133181',
    950: '#000000',
  },
}

SCSS

$custom: #133181;
$custom-light: #6668a6;
$custom-dark: #000000;

JSON

{
  "hex": "#133181",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 129
  },
  "hsl": {
    "h": 223.636,
    "s": 74.324,
    "l": 29.02
  },
  "oklch": {
    "l": 0.34764,
    "c": 0.13967,
    "h": 264.4
  },
  "luminance": 0.0392
}

Semantic roles & 50–950 ramp

primary

#133181

secondary

#B6943A

accent

#BE37F1

background

#F6F6FA

surface

#EBEBF4

border

#C6C6CE

text

#07060F

muted

#7A7A7F

Preview Lab

Preview with #133181

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

Preview Lab → · Contrast checker → · Palette generator →