#2F45BC#2F45BC

#2F45BC is a mid, vivid blue. Relative luminance 0.085; OKLCH L 45.3% C 0.188 H 269.2°. Best body text is #FFFFFF at 7.78:1 contrast (WCAG AA passes).

Color values

HEX	#2F45BC
RGB	rgb(47, 69, 188)
HSL	hsl(231, 60%, 46%)
HSV	hsv(231, 75%, 74%)
CMYK	cmyk(75%, 63.3%, 0%, 26.3%)
CIE-LAB	lab(34.98, 33.66, -64.90)
CIE-LCH	lch(34.98, 73.11, 297.41°)
OKLab	oklab(45.27% -0.0027 -0.1876)
OKLCH	oklch(45.27% 0.188 269.2)
XYZ	xyz(12.3744, 8.4901, 48.5538)
Luminance	0.0849 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F45BC #BCA62F

analogous

#2F8BBC #2F45BC #5F2FBC

triadic

#2F45BC #BC2F45 #45BC2F

tetradic

#2F45BC #BC2F8B #BCA62F #2FBC5F

square

#2F45BC #BC2F8B #BCA62F #2FBC5F

split-complementary

#2F45BC #BC5F2F #8BBC2F

monochromatic

#17215A #23338B #2F45BC #5468D4 #8593E0

Accessibility & contrast

On white

7.78

#2F45BC on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.70

#2F45BC on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F45BC

7.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F45BC	#FFFFFF	#000000	##FFFFFF
##2F45BC	1.00	7.78	2.70	7.78
#FFFFFF	7.78	1.00	21.00	1.00
#000000	2.70	21.00	1.00	21.00
##FFFFFF	7.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0059C0

Deuteranopia (green-blind)

#004CBA

Tritanopia (blue-blind)

#00647A

Achromatopsia (no color)

#525252

Design tokens & code

CSS

--color: #2f45bc;
/* rgb */ color: rgb(47, 69, 188);
/* oklch */ color: oklch(45.3% 0.188 269.2);

Tailwind

colors: {
  custom: {
    50: '#7d78d1',
    500: '#2f45bc',
    950: '#000000',
  },
}

SCSS

$custom: #2f45bc;
$custom-light: #7d78d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f45bc",
  "rgb": {
    "r": 47,
    "g": 69,
    "b": 188
  },
  "hsl": {
    "h": 230.638,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.45273,
    "c": 0.18763,
    "h": 269.2
  },
  "luminance": 0.08491
}

Semantic roles & 50–950 ramp

primary

#2F45BC

secondary

#CABE7D

accent

#CA45E3

background

#F8F7FD

surface

#EFEDFA

border

#CAC8D3

text

#0B0914

muted

#7C7B83

Preview Lab

Preview with #2F45BC

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

Preview Lab → · Contrast checker → · Palette generator →