#2D33B5#2D33B5

#2D33B5 is a dark, vivid blue. Relative luminance 0.063; OKLCH L 41.5% C 0.199 H 271.7°. Best body text is #FFFFFF at 9.32:1 contrast (WCAG AA passes).

Color values

HEX	#2D33B5
RGB	rgb(45, 51, 181)
HSL	hsl(237, 60%, 44%)
HSV	hsv(237, 75%, 71%)
CMYK	cmyk(75.1%, 71.8%, 0%, 29%)
CIE-LAB	lab(30.06, 42.16, -68.85)
CIE-LCH	lch(30.06, 80.73, 301.48°)
OKLab	oklab(41.47% 0.0061 -0.1993)
OKLCH	oklch(41.47% 0.199 271.7)
XYZ	xyz(10.6037, 6.2606, 44.3567)
Luminance	0.0626 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D33B5 #B5AF2D

analogous

#2D77B5 #2D33B5 #6B2DB5

triadic

#2D33B5 #B52D33 #33B52D

tetradic

#2D33B5 #B52D77 #B5AF2D #2DB56B

square

#2D33B5 #B52D77 #B5AF2D #2DB56B

split-complementary

#2D33B5 #B56B2D #77B52D

monochromatic

#151753 #212584 #2D33B5 #4D52D3 #7E82DF

Accessibility & contrast

On white

9.32

#2D33B5 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.25

#2D33B5 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33B5

9.32:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33B5	#FFFFFF	#000000	##FFFFFF
##2D33B5	1.00	9.32	2.25	9.32
#FFFFFF	9.32	1.00	21.00	1.00
#000000	2.25	21.00	1.00	21.00
##FFFFFF	9.32	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004DB9

Deuteranopia (green-blind)

#0040B3

Tritanopia (blue-blind)

#005870

Achromatopsia (no color)

#474747

Design tokens & code

CSS

--color: #2d33b5;
/* rgb */ color: rgb(45, 51, 181);
/* oklch */ color: oklch(41.5% 0.199 271.7);

Tailwind

colors: {
  custom: {
    50: '#7c6ccc',
    500: '#2d33b5',
    950: '#000000',
  },
}

SCSS

$custom: #2d33b5;
$custom-light: #7c6ccc;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33b5",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 181
  },
  "hsl": {
    "h": 237.353,
    "s": 60.177,
    "l": 44.314
  },
  "oklch": {
    "l": 0.41467,
    "c": 0.19935,
    "h": 271.7
  },
  "luminance": 0.06262
}

Semantic roles & 50–950 ramp

primary

#2D33B5

secondary

#C7C476

accent

#DC44E3

background

#F8F6FC

surface

#EFEBF9

border

#CAC6D2

text

#0B0714

muted

#7C7A82

Preview Lab

Preview with #2D33B5

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

Preview Lab → · Contrast checker → · Palette generator →