#2F33A3#2F33A3

#2F33A3 is a dark, vivid blue. Relative luminance 0.056; OKLCH L 39.8% C 0.176 H 273.5°. Best body text is #FFFFFF at 9.89:1 contrast (WCAG AA passes).

Color values

HEX	#2F33A3
RGB	rgb(47, 51, 163)
HSL	hsl(238, 55%, 41%)
HSV	hsv(238, 71%, 64%)
CMYK	cmyk(71.2%, 68.7%, 0%, 36.1%)
CIE-LAB	lab(28.42, 36.13, -60.75)
CIE-LCH	lch(28.42, 70.68, 300.74°)
OKLab	oklab(39.79% 0.0107 -0.1756)
OKLCH	oklch(39.79% 0.176 273.5)
XYZ	xyz(8.9648, 5.6155, 35.2547)
Luminance	0.0562 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F33A3 #A39F2F

analogous

#2F6DA3 #2F33A3 #652FA3

triadic

#2F33A3 #A32F33 #33A32F

tetradic

#2F33A3 #A32F6D #A39F2F #2FA365

square

#2F33A3 #A32F6D #A39F2F #2FA365

split-complementary

#2F33A3 #A3652F #6DA32F

monochromatic

#141544 #212473 #2F33A3 #464ACA #7579D7

Accessibility & contrast

On white

9.89

#2F33A3 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.12

#2F33A3 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F33A3

9.89:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F33A3	#FFFFFF	#000000	##FFFFFF
##2F33A3	1.00	9.89	2.12	9.89
#FFFFFF	9.89	1.00	21.00	1.00
#000000	2.12	21.00	1.00	21.00
##FFFFFF	9.89	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0048A6

Deuteranopia (green-blind)

#003EA1

Tritanopia (blue-blind)

#005167

Achromatopsia (no color)

#434343

Design tokens & code

CSS

--color: #2f33a3;
/* rgb */ color: rgb(47, 51, 163);
/* oklch */ color: oklch(39.8% 0.176 273.5);

Tailwind

colors: {
  custom: {
    50: '#786bbf',
    500: '#2f33a3',
    950: '#000000',
  },
}

SCSS

$custom: #2f33a3;
$custom-light: #786bbf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f33a3",
  "rgb": {
    "r": 47,
    "g": 51,
    "b": 163
  },
  "hsl": {
    "h": 237.931,
    "s": 55.238,
    "l": 41.176
  },
  "oklch": {
    "l": 0.39787,
    "c": 0.1759,
    "h": 273.5
  },
  "luminance": 0.05616
}

Semantic roles & 50–950 ramp

primary

#2F33A3

secondary

#BFBC6F

accent

#D949DF

background

#F7F6FB

surface

#EEEBF7

border

#C9C6D0

text

#0A0712

muted

#7C7A81

Preview Lab

Preview with #2F33A3

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

Preview Lab → · Contrast checker → · Palette generator →