#2F5FD3#2F5FD3

#2F5FD3 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 52.2% C 0.187 H 264.0°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#2F5FD3
RGB	rgb(47, 95, 211)
HSL	hsl(222, 65%, 51%)
HSV	hsv(222, 78%, 83%)
CMYK	cmyk(77.7%, 55%, 0%, 17.3%)
CIE-LAB	lab(43.49, 25.38, -64.37)
CIE-LCH	lch(43.49, 69.19, 291.52°)
OKLab	oklab(52.2% -0.0195 -0.1857)
OKLCH	oklch(52.2% 0.187 264)
XYZ	xyz(17.0182, 13.4899, 63.3223)
Luminance	0.1349 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5FD3 #D3A32F

analogous

#2FB1D3 #2F5FD3 #512FD3

triadic

#2F5FD3 #D32F5F #5FD32F

tetradic

#2F5FD3 #D32FB1 #D3A32F #2FD351

square

#2F5FD3 #D32FB1 #D3A32F #2FD351

split-complementary

#2F5FD3 #D3512F #B1D32F

monochromatic

#183270 #2248A2 #2F5FD3 #6286DE #94ADE8

Accessibility & contrast

On white

5.68

#2F5FD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#2F5FD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5FD3

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5FD3	#FFFFFF	#000000	##FFFFFF
##2F5FD3	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006FD7

Deuteranopia (green-blind)

#0060D1

Tritanopia (blue-blind)

#007C90

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2f5fd3;
/* rgb */ color: rgb(47, 95, 211);
/* oklch */ color: oklch(52.2% 0.187 264.0);

Tailwind

colors: {
  custom: {
    50: '#808be1',
    500: '#2f5fd3',
    950: '#000000',
  },
}

SCSS

$custom: #2f5fd3;
$custom-light: #808be1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5fd3",
  "rgb": {
    "r": 47,
    "g": 95,
    "b": 211
  },
  "hsl": {
    "h": 222.439,
    "s": 65.079,
    "l": 50.588
  },
  "oklch": {
    "l": 0.52196,
    "c": 0.18672,
    "h": 264
  },
  "luminance": 0.13492
}

Semantic roles & 50–950 ramp

primary

#2F5FD3

secondary

#D3BE8A

accent

#B740E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #2F5FD3

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

Preview Lab → · Contrast checker → · Palette generator →