#3133A2#3133A2

#3133A2 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.174 H 274.3°. Best body text is #FFFFFF at 9.88:1 contrast (WCAG AA passes).

Color values

HEX	#3133A2
RGB	rgb(49, 51, 162)
HSL	hsl(239, 54%, 41%)
HSV	hsv(239, 70%, 64%)
CMYK	cmyk(69.8%, 68.5%, 0%, 36.5%)
CIE-LAB	lab(28.45, 36.03, -60.08)
CIE-LCH	lch(28.45, 70.06, 300.95°)
OKLab	oklab(39.82% 0.0132 -0.1736)
OKLCH	oklch(39.82% 0.174 274.3)
XYZ	xyz(8.9699, 5.6284, 34.7891)
Luminance	0.0563 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#3133A2 #A2A031

analogous

#316CA2 #3133A2 #6831A2

triadic

#3133A2 #A23133 #33A231

tetradic

#3133A2 #A2316C #A2A031 #31A268

square

#3133A2 #A2316C #A2A031 #31A268

split-complementary

#3133A2 #A26831 #6CA231

monochromatic

#151544 #232473 #3133A2 #484BC8 #7779D6

Accessibility & contrast

On white

9.88

#3133A2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#3133A2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #3133A2

9.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##3133A2	#FFFFFF	#000000	##FFFFFF
##3133A2	1.00	9.88	2.13	9.88
#FFFFFF	9.88	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A5

Deuteranopia (green-blind)

#003EA0

Tritanopia (blue-blind)

#005166

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #3133a2;
/* rgb */ color: rgb(49, 51, 162);
/* oklch */ color: oklch(39.8% 0.174 274.3);

Tailwind

colors: {
  custom: {
    50: '#796bbf',
    500: '#3133a2',
    950: '#000000',
  },
}

SCSS

$custom: #3133a2;
$custom-light: #796bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#3133a2",
  "rgb": {
    "r": 49,
    "g": 51,
    "b": 162
  },
  "hsl": {
    "h": 238.938,
    "s": 53.555,
    "l": 41.373
  },
  "oklch": {
    "l": 0.39817,
    "c": 0.17407,
    "h": 274.3
  },
  "luminance": 0.05629
}

Semantic roles & 50–950 ramp

primary

#3133A2

secondary

#BEBD71

accent

#DA4BDD

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #3133A2

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

Preview Lab → · Contrast checker → · Palette generator →