#2F3CA8#2F3CA8

#2F3CA8 is a dark, vivid blue. Relative luminance 0.067; OKLCH L 41.8% C 0.172 H 271.4°. Best body text is #FFFFFF at 9.00:1 contrast (WCAG AA passes).

Color values

HEX	#2F3CA8
RGB	rgb(47, 60, 168)
HSL	hsl(234, 56%, 42%)
HSV	hsv(234, 72%, 66%)
CMYK	cmyk(72%, 64.3%, 0%, 34.1%)
CIE-LAB	lab(31.03, 32.19, -59.49)
CIE-LCH	lch(31.03, 67.64, 298.42°)
OKLab	oklab(41.83% 0.0042 -0.1718)
OKLCH	oklch(41.83% 0.172 271.4)
XYZ	xyz(9.8536, 6.6622, 37.8048)
Luminance	0.0666 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3CA8 #A89B2F

analogous

#2F78A8 #2F3CA8 #5F2FA8

triadic

#2F3CA8 #A82F3C #3CA82F

tetradic

#2F3CA8 #A82F78 #A89B2F #2FA85F

square

#2F3CA8 #A82F78 #A89B2F #2FA85F

split-complementary

#2F3CA8 #A85F2F #78A82F

monochromatic

#141A48 #222B78 #2F3CA8 #4856CC #7883D9

Accessibility & contrast

On white

9.00

#2F3CA8 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.33

#2F3CA8 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3CA8

9.00:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3CA8	#FFFFFF	#000000	##FFFFFF
##2F3CA8	1.00	9.00	2.33	9.00
#FFFFFF	9.00	1.00	21.00	1.00
#000000	2.33	21.00	1.00	21.00
##FFFFFF	9.00	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#004FAB

Deuteranopia (green-blind)

#0043A6

Tritanopia (blue-blind)

#00586C

Achromatopsia (no color)

#494949

Design tokens & code

CSS

--color: #2f3ca8;
/* rgb */ color: rgb(47, 60, 168);
/* oklch */ color: oklch(41.8% 0.172 271.4);

Tailwind

colors: {
  custom: {
    50: '#7971c3',
    500: '#2f3ca8',
    950: '#000000',
  },
}

SCSS

$custom: #2f3ca8;
$custom-light: #7971c3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3ca8",
  "rgb": {
    "r": 47,
    "g": 60,
    "b": 168
  },
  "hsl": {
    "h": 233.554,
    "s": 56.279,
    "l": 42.157
  },
  "oklch": {
    "l": 0.41825,
    "c": 0.1719,
    "h": 271.4
  },
  "luminance": 0.06663
}

Semantic roles & 50–950 ramp

primary

#2F3CA8

secondary

#C1B971

accent

#CF48E0

background

#F7F6FC

surface

#EEECF8

border

#C9C7D1

text

#0A0813

muted

#7C7B82

Preview Lab

Preview with #2F3CA8

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

Preview Lab → · Contrast checker → · Palette generator →