#2F45BF#2F45BF

#2F45BF is a mid, vivid blue. Relative luminance 0.086; OKLCH L 45.5% C 0.192 H 269.2°. Best body text is #FFFFFF at 7.71:1 contrast (WCAG AA passes).

Color values

HEX	#2F45BF
RGB	rgb(47, 69, 191)
HSL	hsl(231, 61%, 47%)
HSV	hsv(231, 75%, 75%)
CMYK	cmyk(75.4%, 63.9%, 0%, 25.1%)
CIE-LAB	lab(35.24, 34.75, -66.23)
CIE-LCH	lch(35.24, 74.79, 297.68°)
OKLab	oklab(45.54% -0.0028 -0.1915)
OKLCH	oklch(45.54% 0.192 269.2)
XYZ	xyz(12.7011, 8.6208, 50.2747)
Luminance	0.0862 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Blue With A Hint Of Purple

#533CC6

ΔE00 5.72

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45BF #BFA92F

analogous

#2F8DBF #2F45BF #612FBF

triadic

#2F45BF #BF2F45 #45BF2F

tetradic

#2F45BF #BF2F8D #BFA92F #2FBF61

square

#2F45BF #BF2F8D #BFA92F #2FBF61

split-complementary

#2F45BF #BF612F #8DBF2F

monochromatic

#17225D #23338E #2F45BF #5669D5 #8795E1

Accessibility & contrast

On white

7.71

#2F45BF on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.72

#2F45BF on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45BF

7.71:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45BF	#FFFFFF	#000000	##FFFFFF
##2F45BF	1.00	7.71	2.72	7.71
#FFFFFF	7.71	1.00	21.00	1.00
#000000	2.72	21.00	1.00	21.00
##FFFFFF	7.71	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#005AC3

Deuteranopia (green-blind)

#004CBD

Tritanopia (blue-blind)

#00657B

Achromatopsia (no color)

#535353

Design tokens & code

CSS

--color: #2f45bf;
/* rgb */ color: rgb(47, 69, 191);
/* oklch */ color: oklch(45.5% 0.192 269.2);

Tailwind

colors: {
  custom: {
    50: '#7d78d3',
    500: '#2f45bf',
    950: '#000000',
  },
}

SCSS

$custom: #2f45bf;
$custom-light: #7d78d3;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45bf",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 191
  },
  "hsl": {
    "h": 230.833,
    "s": 60.504,
    "l": 46.667
  },
  "oklch": {
    "l": 0.45544,
    "c": 0.19154,
    "h": 269.2
  },
  "luminance": 0.08622
}

Semantic roles & 50–950 ramp

primary

#2F45BF

secondary

#CBBF7F

accent

#CB44E4

background

#F8F7FD

surface

#F0EDFA

border

#CBC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2F45BF

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

Preview Lab → · Contrast checker → · Palette generator →