#2D33A1#2D33A1

#2D33A1 is a dark, vivid blue. Relative luminance 0.055; OKLCH L 39.5% C 0.174 H 272.8°. Best body text is #FFFFFF at 10.00:1 contrast (WCAG AA passes).

Color values

HEX	#2D33A1
RGB	rgb(45, 51, 161)
HSL	hsl(237, 56%, 40%)
HSV	hsv(237, 72%, 63%)
CMYK	cmyk(72%, 68.3%, 0%, 36.9%)
CIE-LAB	lab(28.11, 35.19, -60.05)
CIE-LCH	lch(28.11, 69.60, 300.37°)
OKLab	oklab(39.47% 0.0086 -0.1736)
OKLCH	oklch(39.47% 0.174 272.8)
XYZ	xyz(8.6969, 5.4979, 34.3142)
Luminance	0.0550 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2D33A1 #A19B2D

analogous

#2D6DA1 #2D33A1 #612DA1

triadic

#2D33A1 #A12D33 #33A12D

tetradic

#2D33A1 #A12D6D #A19B2D #2DA161

square

#2D33A1 #A12D6D #A19B2D #2DA161

split-complementary

#2D33A1 #A1612D #6DA12D

monochromatic

#121541 #202471 #2D33A1 #4148CA #7176D7

Accessibility & contrast

On white

10.00

#2D33A1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.10

#2D33A1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2D33A1

10.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2D33A1	#FFFFFF	#000000	##FFFFFF
##2D33A1	1.00	10.00	2.10	10.00
#FFFFFF	10.00	1.00	21.00	1.00
#000000	2.10	21.00	1.00	21.00
##FFFFFF	10.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A4

Deuteranopia (green-blind)

#003D9F

Tritanopia (blue-blind)

#005165

Achromatopsia (no color)

#424242

Design tokens & code

CSS

--color: #2d33a1;
/* rgb */ color: rgb(45, 51, 161);
/* oklch */ color: oklch(39.5% 0.174 272.8);

Tailwind

colors: {
  custom: {
    50: '#776bbe',
    500: '#2d33a1',
    950: '#000000',
  },
}

SCSS

$custom: #2d33a1;
$custom-light: #776bbe;
$custom-dark: #000000;

JSON

{
  "hex": "#2d33a1",
  "rgb": {
    "r": 45,
    "g": 51,
    "b": 161
  },
  "hsl": {
    "h": 236.897,
    "s": 56.311,
    "l": 40.392
  },
  "oklch": {
    "l": 0.3947,
    "c": 0.1738,
    "h": 272.8
  },
  "luminance": 0.05499
}

Semantic roles & 50–950 ramp

primary

#2D33A1

secondary

#BFBA6B

accent

#D848E0

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0612

muted

#7C7A81

Preview Lab

Preview with #2D33A1

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

Preview Lab → · Contrast checker → · Palette generator →