#2F3BB7#2F3BB7

#2F3BB7 is a dark, vivid blue. Relative luminance 0.072; OKLCH L 43.1% C 0.193 H 271.1°. Best body text is #FFFFFF at 8.64:1 contrast (WCAG AA passes).

Color values

HEX	#2F3BB7
RGB	rgb(47, 59, 183)
HSL	hsl(235, 59%, 45%)
HSV	hsv(235, 74%, 72%)
CMYK	cmyk(74.3%, 67.8%, 0%, 28.2%)
CIE-LAB	lab(32.15, 38.19, -66.60)
CIE-LCH	lch(32.15, 76.77, 299.83°)
OKLab	oklab(43.06% 0.0037 -0.1926)
OKLCH	oklch(43.06% 0.193 271.1)
XYZ	xyz(11.2806, 7.1500, 45.5761)
Luminance	0.0715 (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

#2F3BB7 #B7AB2F

analogous

#2F7FB7 #2F3BB7 #672FB7

triadic

#2F3BB7 #B72F3B #3BB72F

tetradic

#2F3BB7 #B72F7F #B7AB2F #2FB767

square

#2F3BB7 #B72F7F #B7AB2F #2FB767

split-complementary

#2F3BB7 #B7672F #7FB72F

monochromatic

#161C56 #222B86 #2F3BB7 #515CD2 #828ADF

Accessibility & contrast

On white

8.64

#2F3BB7 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.43

#2F3BB7 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3BB7

8.64:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3BB7	#FFFFFF	#000000	##FFFFFF
##2F3BB7	1.00	8.64	2.43	8.64
#FFFFFF	8.64	1.00	21.00	1.00
#000000	2.43	21.00	1.00	21.00
##FFFFFF	8.64	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052BB

Deuteranopia (green-blind)

#0045B5

Tritanopia (blue-blind)

#005D74

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f3bb7;
/* rgb */ color: rgb(47, 59, 183);
/* oklch */ color: oklch(43.1% 0.193 271.1);

Tailwind

colors: {
  custom: {
    50: '#7c71ce',
    500: '#2f3bb7',
    950: '#000000',
  },
}

SCSS

$custom: #2f3bb7;
$custom-light: #7c71ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3bb7",
  "rgb": {
    "r": 47,
    "g": 59,
    "b": 183
  },
  "hsl": {
    "h": 234.706,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.4306,
    "c": 0.19268,
    "h": 271.1
  },
  "luminance": 0.07151
}

Semantic roles & 50–950 ramp

primary

#2F3BB7

secondary

#C8C17A

accent

#D445E2

background

#F8F6FC

surface

#EFECF9

border

#CAC7D2

text

#0B0814

muted

#7C7B82

Preview Lab

Preview with #2F3BB7

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

Preview Lab → · Contrast checker → · Palette generator →