#133EA1#133EA1

#133EA1 is a dark, vivid blue. Relative luminance 0.062; OKLCH L 40.4% C 0.167 H 263.2°. Best body text is #FFFFFF at 9.41:1 contrast (WCAG AA passes).

Color values

HEX	#133EA1
RGB	rgb(19, 62, 161)
HSL	hsl(222, 79%, 35%)
HSV	hsv(222, 88%, 63%)
CMYK	cmyk(88.2%, 61.5%, 0%, 36.9%)
CIE-LAB	lab(29.80, 25.49, -57.32)
CIE-LCH	lch(29.80, 62.73, 293.97°)
OKLab	oklab(40.42% -0.0198 -0.166)
OKLCH	oklch(40.42% 0.167 263.2)
XYZ	xyz(8.4219, 6.1558, 34.4556)
Luminance	0.0616 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#133EA1 #A17613

analogous

#1385A1 #133EA1 #2F13A1

triadic

#133EA1 #A1133E #3EA113

tetradic

#133EA1 #A11385 #A17613 #13A12F

square

#133EA1 #A11385 #A17613 #13A12F

split-complementary

#133EA1 #A12F13 #85A113

monochromatic

#061434 #0D296A #133EA1 #1953D8 #4577E9

Accessibility & contrast

On white

9.41

#133EA1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.23

#133EA1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #133EA1

9.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##133EA1	#FFFFFF	#000000	##FFFFFF
##133EA1	1.00	9.41	2.23	9.41
#FFFFFF	9.41	1.00	21.00	1.00
#000000	2.23	21.00	1.00	21.00
##FFFFFF	9.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DA4

Deuteranopia (green-blind)

#00409F

Tritanopia (blue-blind)

#005869

Achromatopsia (no color)

#464646

Design tokens & code

CSS

--color: #133ea1;
/* rgb */ color: rgb(19, 62, 161);
/* oklch */ color: oklch(40.4% 0.167 263.2);

Tailwind

colors: {
  custom: {
    50: '#6e72be',
    500: '#133ea1',
    950: '#000000',
  },
}

SCSS

$custom: #133ea1;
$custom-light: #6e72be;
$custom-dark: #000000;

JSON

{
  "hex": "#133ea1",
  "rgb": {
    "r": 19,
    "g": 62,
    "b": 161
  },
  "hsl": {
    "h": 221.831,
    "s": 78.889,
    "l": 35.294
  },
  "oklch": {
    "l": 0.40419,
    "c": 0.16714,
    "h": 263.2
  },
  "luminance": 0.06157
}

Semantic roles & 50–950 ramp

primary

#133EA1

secondary

#CAA246

accent

#BA32F5

background

#F7F6FB

surface

#EDECF7

border

#C8C7D0

text

#090812

muted

#7B7B81

Preview Lab

Preview with #133EA1

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

Preview Lab → · Contrast checker → · Palette generator →