#2F53B5#2F53B5

#2F53B5 is a mid, vivid blue. Relative luminance 0.101; OKLCH L 47.4% C 0.161 H 265.4°. Best body text is #FFFFFF at 6.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F53B5
RGB	rgb(47, 83, 181)
HSL	hsl(224, 59%, 45%)
HSV	hsv(224, 74%, 71%)
CMYK	cmyk(74%, 54.1%, 0%, 29%)
CIE-LAB	lab(38.07, 21.92, -55.75)
CIE-LCH	lch(38.07, 59.91, 291.46°)
OKLab	oklab(47.4% -0.0129 -0.1606)
OKLCH	oklch(47.4% 0.161 265.4)
XYZ	xyz(12.6031, 10.1257, 44.9973)
Luminance	0.1013 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53B5 #B5912F

analogous

#2F96B5 #2F53B5 #4E2FB5

triadic

#2F53B5 #B52F53 #53B52F

tetradic

#2F53B5 #B52F96 #B5912F #2FB54E

square

#2F53B5 #B52F96 #B5912F #2FB54E

split-complementary

#2F53B5 #B54E2F #96B52F

monochromatic

#162654 #223D84 #2F53B5 #5073D1 #8099DE

Accessibility & contrast

On white

6.94

#2F53B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2F53B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F53B5

6.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53B5	#FFFFFF	#000000	##FFFFFF
##2F53B5	1.00	6.94	3.03	6.94
#FFFFFF	6.94	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0260B8

Deuteranopia (green-blind)

#0054B3

Tritanopia (blue-blind)

#006B7C

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f53b5;
/* rgb */ color: rgb(47, 83, 181);
/* oklch */ color: oklch(47.4% 0.161 265.4);

Tailwind

colors: {
  custom: {
    50: '#7a82cc',
    500: '#2f53b5',
    950: '#000000',
  },
}

SCSS

$custom: #2f53b5;
$custom-light: #7a82cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53b5",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 181
  },
  "hsl": {
    "h": 223.881,
    "s": 58.772,
    "l": 44.706
  },
  "oklch": {
    "l": 0.47401,
    "c": 0.16109,
    "h": 265.4
  },
  "luminance": 0.10127
}

Semantic roles & 50–950 ramp

primary

#2F53B5

secondary

#C7B279

accent

#B846E2

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A13

muted

#7C7C82

Preview Lab

Preview with #2F53B5

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

Preview Lab → · Contrast checker → · Palette generator →