#133171#133171

#133171 is a dark, moderate blue. Relative luminance 0.035; OKLCH L 33.3% C 0.117 H 262.8°. Best body text is #FFFFFF at 12.31:1 contrast (WCAG AA passes).

Color values

HEX	#133171
RGB	rgb(19, 49, 113)
HSL	hsl(221, 71%, 26%)
HSV	hsv(221, 83%, 44%)
CMYK	cmyk(83.2%, 56.6%, 0%, 55.7%)
CIE-LAB	lab(22.04, 14.83, -40.11)
CIE-LCH	lch(22.04, 42.76, 290.29°)
OKLab	oklab(33.31% -0.0146 -0.1157)
OKLCH	oklch(33.31% 0.117 262.8)
XYZ	xyz(4.3464, 3.5268, 16.0713)
Luminance	0.0353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133171 #715313

analogous

#136071 #133171 #241371

triadic

#133171 #711331 #317113

tetradic

#133171 #711360 #715313 #137124

square

#133171 #711360 #715313 #137124

split-complementary

#133171 #712413 #607113

monochromatic

#040B1A #0A1A3D #133171 #1C48A5 #255EDA

Accessibility & contrast

On white

12.31

#133171 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.71

#133171 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133171

12.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133171	#FFFFFF	#000000	##FFFFFF
##133171	1.00	12.31	1.71	12.31
#FFFFFF	12.31	1.00	21.00	1.00
#000000	1.71	21.00	1.00	21.00
##FFFFFF	12.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#003973

Deuteranopia (green-blind)

#003170

Tritanopia (blue-blind)

#00414C

Achromatopsia (no color)

#353535

Design tokens & code

CSS

--color: #133171;
/* rgb */ color: rgb(19, 49, 113);
/* oklch */ color: oklch(33.3% 0.117 262.8);

Tailwind

colors: {
  custom: {
    50: '#62689a',
    500: '#133171',
    950: '#000000',
  },
}

SCSS

$custom: #133171;
$custom-light: #62689a;
$custom-dark: #000000;

JSON

{
  "hex": "#133171",
  "rgb": {
    "r": 19,
    "g": 49,
    "b": 113
  },
  "hsl": {
    "h": 220.851,
    "s": 71.212,
    "l": 25.882
  },
  "oklch": {
    "l": 0.33313,
    "c": 0.11658,
    "h": 262.8
  },
  "luminance": 0.03527
}

Semantic roles & 50–950 ramp

primary

#133171

secondary

#A88438

accent

#B43AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06060E

muted

#7A7A7E

Preview Lab

Preview with #133171

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

Preview Lab → · Contrast checker → · Palette generator →