#2F5BD3#2F5BD3

#2F5BD3 is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.4% C 0.192 H 265.0°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#2F5BD3
RGB	rgb(47, 91, 211)
HSL	hsl(224, 65%, 51%)
HSV	hsv(224, 78%, 83%)
CMYK	cmyk(77.7%, 56.9%, 0%, 17.3%)
CIE-LAB	lab(42.44, 27.96, -66.08)
CIE-LCH	lch(42.44, 71.75, 292.93°)
OKLab	oklab(51.4% -0.0168 -0.1908)
OKLCH	oklch(51.4% 0.192 265)
XYZ	xyz(16.6671, 12.7877, 63.2052)
Luminance	0.1279 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F5BD3 #D3A72F

analogous

#2FADD3 #2F5BD3 #552FD3

triadic

#2F5BD3 #D32F5B #5BD32F

tetradic

#2F5BD3 #D32FAD #D3A72F #2FD355

square

#2F5BD3 #D32FAD #D3A72F #2FD355

split-complementary

#2F5BD3 #D3552F #ADD32F

monochromatic

#182F70 #2245A2 #2F5BD3 #6283DE #94ABE8

Accessibility & contrast

On white

5.90

#2F5BD3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#2F5BD3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F5BD3

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F5BD3	#FFFFFF	#000000	##FFFFFF
##2F5BD3	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD7

Deuteranopia (green-blind)

#005DD1

Tritanopia (blue-blind)

#00798E

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2f5bd3;
/* rgb */ color: rgb(47, 91, 211);
/* oklch */ color: oklch(51.4% 0.192 265.0);

Tailwind

colors: {
  custom: {
    50: '#8088e1',
    500: '#2f5bd3',
    950: '#000000',
  },
}

SCSS

$custom: #2f5bd3;
$custom-light: #8088e1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f5bd3",
  "rgb": {
    "r": 47,
    "g": 91,
    "b": 211
  },
  "hsl": {
    "h": 223.902,
    "s": 65.079,
    "l": 50.588
  },
  "oklch": {
    "l": 0.51404,
    "c": 0.19153,
    "h": 265
  },
  "luminance": 0.1279
}

Semantic roles & 50–950 ramp

primary

#2F5BD3

secondary

#D3C08A

accent

#BB40E8

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0B15

muted

#7D7C83

Preview Lab

Preview with #2F5BD3

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

Preview Lab → · Contrast checker → · Palette generator →