#133770#133770

#133770 is a dark, moderate blue. Relative luminance 0.040; OKLCH L 34.6% C 0.107 H 259.5°. Best body text is #FFFFFF at 11.61:1 contrast (WCAG AA passes).

Color values

HEX	#133770
RGB	rgb(19, 55, 112)
HSL	hsl(217, 71%, 26%)
HSV	hsv(217, 83%, 44%)
CMYK	cmyk(83%, 50.9%, 0%, 56.1%)
CIE-LAB	lab(23.80, 10.09, -36.62)
CIE-LCH	lch(23.80, 37.98, 285.41°)
OKLab	oklab(34.63% -0.0196 -0.1053)
OKLCH	oklch(34.63% 0.107 259.5)
XYZ	xyz(4.5583, 4.0401, 15.8657)
Luminance	0.0404 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133770 #704C13

analogous

#136570 #133770 #1D1370

triadic

#133770 #701337 #377013

tetradic

#133770 #701365 #704C13 #13701D

square

#133770 #701365 #704C13 #13701D

split-complementary

#133770 #701D13 #657013

monochromatic

#040D1A #0A1D3C #133770 #1C51A4 #256AD9

Accessibility & contrast

On white

11.61

#133770 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

1.81

#133770 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133770

11.61:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133770	#FFFFFF	#000000	##FFFFFF
##133770	1.00	11.61	1.81	11.61
#FFFFFF	11.61	1.00	21.00	1.00
#000000	1.81	21.00	1.00	21.00
##FFFFFF	11.61	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#163D72

Deuteranopia (green-blind)

#00356F

Tritanopia (blue-blind)

#00454E

Achromatopsia (no color)

#393939

Design tokens & code

CSS

--color: #133770;
/* rgb */ color: rgb(19, 55, 112);
/* oklch */ color: oklch(34.6% 0.107 259.5);

Tailwind

colors: {
  custom: {
    50: '#616d99',
    500: '#133770',
    950: '#000000',
  },
}

SCSS

$custom: #133770;
$custom-light: #616d99;
$custom-dark: #000000;

JSON

{
  "hex": "#133770",
  "rgb": {
    "r": 19,
    "g": 55,
    "b": 112
  },
  "hsl": {
    "h": 216.774,
    "s": 70.992,
    "l": 25.686
  },
  "oklch": {
    "l": 0.34634,
    "c": 0.10708,
    "h": 259.5
  },
  "luminance": 0.04041
}

Semantic roles & 50–950 ramp

primary

#133770

secondary

#A77C38

accent

#A83AEE

background

#F6F6F9

surface

#EBEBF2

border

#C6C6CC

text

#06070E

muted

#7A7A7E

Preview Lab

Preview with #133770

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

Preview Lab → · Contrast checker → · Palette generator →