#2F3EB2#2F3EB2

#2F3EB2 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.1% C 0.183 H 270.7°. Best body text is #FFFFFF at 8.56:1 contrast (WCAG AA passes).

Color values

HEX	#2F3EB2
RGB	rgb(47, 62, 178)
HSL	hsl(233, 58%, 44%)
HSV	hsv(233, 74%, 70%)
CMYK	cmyk(73.6%, 65.2%, 0%, 30.2%)
CIE-LAB	lab(32.40, 34.52, -63.22)
CIE-LCH	lch(32.40, 72.03, 298.64°)
OKLab	oklab(43.1% 0.0022 -0.1827)
OKLCH	oklch(43.1% 0.183 270.7)
XYZ	xyz(10.9281, 7.2628, 42.9368)
Luminance	0.0726 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3EB2 #B2A32F

analogous

#2F80B2 #2F3EB2 #622FB2

triadic

#2F3EB2 #B22F3E #3EB22F

tetradic

#2F3EB2 #B22F80 #B2A32F #2FB262

square

#2F3EB2 #B22F80 #B2A32F #2FB262

split-complementary

#2F3EB2 #B2622F #80B22F

monochromatic

#151C51 #222D82 #2F3EB2 #4E5DD0 #7E89DD

Accessibility & contrast

On white

8.56

#2F3EB2 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.45

#2F3EB2 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3EB2

8.56:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3EB2	#FFFFFF	#000000	##FFFFFF
##2F3EB2	1.00	8.56	2.45	8.56
#FFFFFF	8.56	1.00	21.00	1.00
#000000	2.45	21.00	1.00	21.00
##FFFFFF	8.56	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0052B6

Deuteranopia (green-blind)

#0046B0

Tritanopia (blue-blind)

#005D72

Achromatopsia (no color)

#4C4C4C

Design tokens & code

CSS

--color: #2f3eb2;
/* rgb */ color: rgb(47, 62, 178);
/* oklch */ color: oklch(43.1% 0.183 270.7);

Tailwind

colors: {
  custom: {
    50: '#7b73ca',
    500: '#2f3eb2',
    950: '#000000',
  },
}

SCSS

$custom: #2f3eb2;
$custom-light: #7b73ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3eb2",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 178
  },
  "hsl": {
    "h": 233.13,
    "s": 58.222,
    "l": 44.118
  },
  "oklch": {
    "l": 0.43104,
    "c": 0.18276,
    "h": 270.7
  },
  "luminance": 0.07264
}

Semantic roles & 50–950 ramp

primary

#2F3EB2

secondary

#C6BD77

accent

#D046E1

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3EB2

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

Preview Lab → · Contrast checker → · Palette generator →