#2F3EB4#2F3EB4

#2F3EB4 is a dark, vivid blue. Relative luminance 0.073; OKLCH L 43.3% C 0.185 H 270.6°. Best body text is #FFFFFF at 8.51:1 contrast (WCAG AA passes).

Color values

HEX	#2F3EB4
RGB	rgb(47, 62, 180)
HSL	hsl(233, 59%, 45%)
HSV	hsv(233, 74%, 71%)
CMYK	cmyk(73.9%, 65.6%, 0%, 29.4%)
CIE-LAB	lab(32.58, 35.24, -64.11)
CIE-LCH	lch(32.58, 73.16, 298.79°)
OKLab	oklab(43.29% 0.0021 -0.1854)
OKLCH	oklch(43.29% 0.185 270.6)
XYZ	xyz(11.1303, 7.3437, 44.0021)
Luminance	0.0735 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.60

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F3EB4 #B4A52F

analogous

#2F81B4 #2F3EB4 #632FB4

triadic

#2F3EB4 #B42F3E #3EB42F

tetradic

#2F3EB4 #B42F81 #B4A52F #2FB463

square

#2F3EB4 #B42F81 #B4A52F #2FB463

split-complementary

#2F3EB4 #B4632F #81B42F

monochromatic

#161D53 #222D83 #2F3EB4 #4F5ED1 #808ADE

Accessibility & contrast

On white

8.51

#2F3EB4 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.47

#2F3EB4 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F3EB4

8.51:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F3EB4	#FFFFFF	#000000	##FFFFFF
##2F3EB4	1.00	8.51	2.47	8.51
#FFFFFF	8.51	1.00	21.00	1.00
#000000	2.47	21.00	1.00	21.00
##FFFFFF	8.51	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0053B8

Deuteranopia (green-blind)

#0046B2

Tritanopia (blue-blind)

#005D73

Achromatopsia (no color)

#4D4D4D

Design tokens & code

CSS

--color: #2f3eb4;
/* rgb */ color: rgb(47, 62, 180);
/* oklch */ color: oklch(43.3% 0.185 270.6);

Tailwind

colors: {
  custom: {
    50: '#7b73cb',
    500: '#2f3eb4',
    950: '#000000',
  },
}

SCSS

$custom: #2f3eb4;
$custom-light: #7b73cb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f3eb4",
  "rgb": {
    "r": 47,
    "g": 62,
    "b": 180
  },
  "hsl": {
    "h": 233.233,
    "s": 58.59,
    "l": 44.51
  },
  "oklch": {
    "l": 0.4329,
    "c": 0.18538,
    "h": 270.6
  },
  "luminance": 0.07345
}

Semantic roles & 50–950 ramp

primary

#2F3EB4

secondary

#C7BE78

accent

#D046E2

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0813

muted

#7C7B82

Preview Lab

Preview with #2F3EB4

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

Preview Lab → · Contrast checker → · Palette generator →