#2F45B9#2F45B9

#2F45B9 is a mid, vivid blue. Relative luminance 0.084; OKLCH L 45.0% C 0.184 H 269.2°. Best body text is #FFFFFF at 7.86:1 contrast (WCAG AA passes).

Color values

HEX	#2F45B9
RGB	rgb(47, 69, 185)
HSL	hsl(230, 59%, 45%)
HSV	hsv(230, 75%, 73%)
CMYK	cmyk(74.6%, 62.7%, 0%, 27.5%)
CIE-LAB	lab(34.73, 32.57, -63.55)
CIE-LCH	lch(34.73, 71.41, 297.13°)
OKLab	oklab(45% -0.0026 -0.1837)
OKLCH	oklch(45% 0.184 269.2)
XYZ	xyz(12.0544, 8.3621, 46.8683)
Luminance	0.0836 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45B9 #B9A32F

analogous

#2F8AB9 #2F45B9 #5E2FB9

triadic

#2F45B9 #B92F45 #45B92F

tetradic

#2F45B9 #B92F8A #B9A32F #2FB95E

square

#2F45B9 #B92F8A #B9A32F #2FB95E

split-complementary

#2F45B9 #B95E2F #8AB92F

monochromatic

#162157 #233388 #2F45B9 #5267D3 #8392DF

Accessibility & contrast

On white

7.86

#2F45B9 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.67

#2F45B9 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45B9

7.86:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45B9	#FFFFFF	#000000	##FFFFFF
##2F45B9	1.00	7.86	2.67	7.86
#FFFFFF	7.86	1.00	21.00	1.00
#000000	2.67	21.00	1.00	21.00
##FFFFFF	7.86	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0058BD

Deuteranopia (green-blind)

#004BB7

Tritanopia (blue-blind)

#006378

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f45b9;
/* rgb */ color: rgb(47, 69, 185);
/* oklch */ color: oklch(45.0% 0.184 269.2);

Tailwind

colors: {
  custom: {
    50: '#7c78cf',
    500: '#2f45b9',
    950: '#000000',
  },
}

SCSS

$custom: #2f45b9;
$custom-light: #7c78cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45b9",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 185
  },
  "hsl": {
    "h": 230.435,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.45003,
    "c": 0.18369,
    "h": 269.2
  },
  "luminance": 0.08363
}

Semantic roles & 50–950 ramp

primary

#2F45B9

secondary

#C9BC7B

accent

#CA45E3

background

#F8F7FC

surface

#EFEDF9

border

#CAC8D2

text

#0B0914

muted

#7C7B82

Preview Lab

Preview with #2F45B9

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

Preview Lab → · Contrast checker → · Palette generator →