#2D33A5#2D33A5

#2D33A5 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.9% C 0.179 H 272.6°. Best body text is #FFFFFF at 9.87:1 contrast (WCAG AA passes).

Color values

HEX	#2D33A5
RGB	rgb(45, 51, 165)
HSL	hsl(237, 57%, 41%)
HSV	hsv(237, 73%, 65%)
CMYK	cmyk(72.7%, 69.1%, 0%, 35.3%)
CIE-LAB	lab(28.49, 36.60, -61.85)
CIE-LCH	lch(28.49, 71.87, 300.62°)
OKLab	oklab(39.86% 0.0081 -0.1788)
OKLCH	oklch(39.86% 0.179 272.6)
XYZ	xyz(9.0553, 5.6412, 36.2017)
Luminance	0.0564 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D33A5 #A59F2D

analogous

#2D6FA5 #2D33A5 #632DA5

triadic

#2D33A5 #A52D33 #33A52D

tetradic

#2D33A5 #A52D6F #A59F2D #2DA563

square

#2D33A5 #A52D6F #A59F2D #2DA563

split-complementary

#2D33A5 #A5632D #6FA52D

monochromatic

#131545 #202475 #2D33A5 #434ACC #7379D9

Accessibility & contrast

On white

9.87

#2D33A5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.13

#2D33A5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33A5

9.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33A5	#FFFFFF	#000000	##FFFFFF
##2D33A5	1.00	9.87	2.13	9.87
#FFFFFF	9.87	1.00	21.00	1.00
#000000	2.13	21.00	1.00	21.00
##FFFFFF	9.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A8

Deuteranopia (green-blind)

#003EA3

Tritanopia (blue-blind)

#005268

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2d33a5;
/* rgb */ color: rgb(45, 51, 165);
/* oklch */ color: oklch(39.9% 0.179 272.6);

Tailwind

colors: {
  custom: {
    50: '#786bc1',
    500: '#2d33a5',
    950: '#000000',
  },
}

SCSS

$custom: #2d33a5;
$custom-light: #786bc1;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33a5",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 165
  },
  "hsl": {
    "h": 237,
    "s": 57.143,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39861,
    "c": 0.17903,
    "h": 272.6
  },
  "luminance": 0.05642
}

Semantic roles & 50–950 ramp

primary

#2D33A5

secondary

#C1BC6D

accent

#D947E0

background

#F7F6FC

surface

#EEEBF8

border

#C9C6D1

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2D33A5

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

Preview Lab → · Contrast checker → · Palette generator →