#2D33A4#2D33A4

#2D33A4 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.178 H 272.7°. Best body text is #FFFFFF at 9.90:1 contrast (WCAG AA passes).

Color values

HEX	#2D33A4
RGB	rgb(45, 51, 164)
HSL	hsl(237, 57%, 41%)
HSV	hsv(237, 73%, 64%)
CMYK	cmyk(72.6%, 68.9%, 0%, 35.7%)
CIE-LAB	lab(28.39, 36.25, -61.40)
CIE-LCH	lch(28.39, 71.30, 300.55°)
OKLab	oklab(39.76% 0.0083 -0.1775)
OKLCH	oklch(39.76% 0.178 272.7)
XYZ	xyz(8.9646, 5.6050, 35.7242)
Luminance	0.0561 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D33A4 #A49E2D

analogous

#2D6EA4 #2D33A4 #622DA4

triadic

#2D33A4 #A42D33 #33A42D

tetradic

#2D33A4 #A42D6E #A49E2D #2DA462

square

#2D33A4 #A42D6E #A49E2D #2DA462

split-complementary

#2D33A4 #A4622D #6EA42D

monochromatic

#131544 #202474 #2D33A4 #434ACB #7378D9

Accessibility & contrast

On white

9.90

#2D33A4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2D33A4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33A4

9.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33A4	#FFFFFF	#000000	##FFFFFF
##2D33A4	1.00	9.90	2.12	9.90
#FFFFFF	9.90	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0049A7

Deuteranopia (green-blind)

#003DA2

Tritanopia (blue-blind)

#005267

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2d33a4;
/* rgb */ color: rgb(45, 51, 164);
/* oklch */ color: oklch(39.8% 0.178 272.7);

Tailwind

colors: {
  custom: {
    50: '#786bc0',
    500: '#2d33a4',
    950: '#000000',
  },
}

SCSS

$custom: #2d33a4;
$custom-light: #786bc0;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33a4",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 164
  },
  "hsl": {
    "h": 236.975,
    "s": 56.938,
    "l": 40.98
  },
  "oklch": {
    "l": 0.39763,
    "c": 0.17772,
    "h": 272.7
  },
  "luminance": 0.05606
}

Semantic roles & 50–950 ramp

primary

#2D33A4

secondary

#C0BC6D

accent

#D948E0

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2D33A4

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

Preview Lab → · Contrast checker → · Palette generator →