#2D33A3#2D33A3

#2D33A3 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.7% C 0.176 H 272.7°. Best body text is #FFFFFF at 9.93:1 contrast (WCAG AA passes).

Color values

HEX	#2D33A3
RGB	rgb(45, 51, 163)
HSL	hsl(237, 57%, 41%)
HSV	hsv(237, 72%, 64%)
CMYK	cmyk(72.4%, 68.7%, 0%, 36.1%)
CIE-LAB	lab(28.30, 35.89, -60.95)
CIE-LCH	lch(28.30, 70.74, 300.49°)
OKLab	oklab(39.67% 0.0084 -0.1762)
OKLCH	oklch(39.67% 0.176 272.7)
XYZ	xyz(8.8747, 5.5690, 35.2505)
Luminance	0.0557 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D33A3 #A39D2D

analogous

#2D6EA3 #2D33A3 #622DA3

triadic

#2D33A3 #A32D33 #33A32D

tetradic

#2D33A3 #A32D6E #A39D2D #2DA362

square

#2D33A3 #A32D6E #A39D2D #2DA362

split-complementary

#2D33A3 #A3622D #6EA32D

monochromatic

#131543 #202473 #2D33A3 #4249CB #7277D8

Accessibility & contrast

On white

9.93

#2D33A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.11

#2D33A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33A3

9.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33A3	#FFFFFF	#000000	##FFFFFF
##2D33A3	1.00	9.93	2.11	9.93
#FFFFFF	9.93	1.00	21.00	1.00
#000000	2.11	21.00	1.00	21.00
##FFFFFF	9.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A6

Deuteranopia (green-blind)

#003DA1

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2d33a3;
/* rgb */ color: rgb(45, 51, 163);
/* oklch */ color: oklch(39.7% 0.176 272.7);

Tailwind

colors: {
  custom: {
    50: '#786bbf',
    500: '#2d33a3',
    950: '#000000',
  },
}

SCSS

$custom: #2d33a3;
$custom-light: #786bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33a3",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 163
  },
  "hsl": {
    "h": 236.949,
    "s": 56.731,
    "l": 40.784
  },
  "oklch": {
    "l": 0.39665,
    "c": 0.17642,
    "h": 272.7
  },
  "luminance": 0.0557
}

Semantic roles & 50–950 ramp

primary

#2D33A3

secondary

#C0BB6C

accent

#D848E0

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2D33A3

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

Preview Lab → · Contrast checker → · Palette generator →