#2F5DD3#2F5DD3

#2F5DD3 is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.8% C 0.189 H 264.5°. Best body text is #FFFFFF at 5.79:1 contrast (WCAG AA passes).

Color values

HEX	#2F5DD3
RGB	rgb(47, 93, 211)
HSL	hsl(223, 65%, 51%)
HSV	hsv(223, 78%, 83%)
CMYK	cmyk(77.7%, 55.9%, 0%, 17.3%)
CIE-LAB	lab(42.96, 26.67, -65.23)
CIE-LCH	lch(42.96, 70.47, 292.24°)
OKLab	oklab(51.8% -0.0181 -0.1883)
OKLCH	oklch(51.8% 0.189 264.5)
XYZ	xyz(16.8403, 13.1342, 63.2630)
Luminance	0.1314 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5DD3 #D3A52F

analogous

#2FAFD3 #2F5DD3 #532FD3

triadic

#2F5DD3 #D32F5D #5DD32F

tetradic

#2F5DD3 #D32FAF #D3A52F #2FD353

square

#2F5DD3 #D32FAF #D3A52F #2FD353

split-complementary

#2F5DD3 #D3532F #AFD32F

monochromatic

#183070 #2246A2 #2F5DD3 #6284DE #94ACE8

Accessibility & contrast

On white

5.79

#2F5DD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.63

#2F5DD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5DD3

5.79:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5DD3	#FFFFFF	#000000	##FFFFFF
##2F5DD3	1.00	5.79	3.63	5.79
#FFFFFF	5.79	1.00	21.00	1.00
#000000	3.63	21.00	1.00	21.00
##FFFFFF	5.79	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006DD7

Deuteranopia (green-blind)

#005ED1

Tritanopia (blue-blind)

#007A8F

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2f5dd3;
/* rgb */ color: rgb(47, 93, 211);
/* oklch */ color: oklch(51.8% 0.189 264.5);

Tailwind

colors: {
  custom: {
    50: '#808ae1',
    500: '#2f5dd3',
    950: '#000000',
  },
}

SCSS

$custom: #2f5dd3;
$custom-light: #808ae1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5dd3",
  "rgb": {
    "r": 47,
    "g": 93,
    "b": 211
  },
  "hsl": {
    "h": 223.171,
    "s": 65.079,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51798,
    "c": 0.18913,
    "h": 264.5
  },
  "luminance": 0.13136
}

Semantic roles & 50–950 ramp

primary

#2F5DD3

secondary

#D3BF8A

accent

#B940E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #2F5DD3

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

Preview Lab → · Contrast checker → · Palette generator →