#2F53D3#2F53D3

#2F53D3 is a mid, highly saturated blue. Relative luminance 0.115; OKLCH L 49.9% C 0.201 H 266.7°. Best body text is #FFFFFF at 6.37:1 contrast (WCAG AA passes).

Color values

HEX	#2F53D3
RGB	rgb(47, 83, 211)
HSL	hsl(227, 65%, 51%)
HSV	hsv(227, 78%, 83%)
CMYK	cmyk(77.7%, 60.7%, 0%, 17.3%)
CIE-LAB	lab(40.40, 33.10, -69.41)
CIE-LCH	lch(40.40, 76.90, 295.49°)
OKLab	oklab(49.88% -0.0117 -0.2007)
OKLCH	oklch(49.88% 0.201 266.7)
XYZ	xyz(16.0193, 11.4922, 62.9893)
Luminance	0.1149 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53D3 #D3AF2F

analogous

#2FA5D3 #2F53D3 #5D2FD3

triadic

#2F53D3 #D32F53 #53D32F

tetradic

#2F53D3 #D32FA5 #D3AF2F #2FD35D

square

#2F53D3 #D32FA5 #D3AF2F #2FD35D

split-complementary

#2F53D3 #D35D2F #A5D32F

monochromatic

#182B70 #223EA2 #2F53D3 #627DDE #94A7E8

Accessibility & contrast

On white

6.37

#2F53D3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.30

#2F53D3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F53D3

6.37:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53D3	#FFFFFF	#000000	##FFFFFF
##2F53D3	1.00	6.37	3.30	6.37
#FFFFFF	6.37	1.00	21.00	1.00
#000000	3.30	21.00	1.00	21.00
##FFFFFF	6.37	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0067D7

Deuteranopia (green-blind)

#0058D1

Tritanopia (blue-blind)

#00748B

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2f53d3;
/* rgb */ color: rgb(47, 83, 211);
/* oklch */ color: oklch(49.9% 0.201 266.7);

Tailwind

colors: {
  custom: {
    50: '#8183e2',
    500: '#2f53d3',
    950: '#000000',
  },
}

SCSS

$custom: #2f53d3;
$custom-light: #8183e2;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53d3",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 211
  },
  "hsl": {
    "h": 226.829,
    "s": 65.079,
    "l": 50.588
  },
  "oklch": {
    "l": 0.49877,
    "c": 0.20103,
    "h": 266.7
  },
  "luminance": 0.11494
}

Semantic roles & 50–950 ramp

primary

#2F53D3

secondary

#D3C38A

accent

#C340E8

background

#F8F8FD

surface

#F0EFFB

border

#CBCAD4

text

#0C0A15

muted

#7D7C83

Preview Lab

Preview with #2F53D3

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

Preview Lab → · Contrast checker → · Palette generator →