#2F53B3#2F53B3

#2F53B3 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.2% C 0.158 H 265.3°. Best body text is #FFFFFF at 6.98:1 contrast (WCAG AA passes).

Color values

HEX	#2F53B3
RGB	rgb(47, 83, 179)
HSL	hsl(224, 58%, 44%)
HSV	hsv(224, 74%, 70%)
CMYK	cmyk(73.7%, 53.6%, 0%, 29.8%)
CIE-LAB	lab(37.92, 21.16, -54.81)
CIE-LCH	lch(37.92, 58.75, 291.11°)
OKLab	oklab(47.25% -0.0131 -0.1578)
OKLCH	oklch(47.25% 0.158 265.3)
XYZ	xyz(12.3994, 10.0442, 43.9243)
Luminance	0.1005 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53B3 #B38F2F

analogous

#2F95B3 #2F53B3 #4D2FB3

triadic

#2F53B3 #B32F53 #53B32F

tetradic

#2F53B3 #B32F95 #B38F2F #2FB34D

square

#2F53B3 #B32F95 #B38F2F #2FB34D

split-complementary

#2F53B3 #B34D2F #95B32F

monochromatic

#162652 #223D83 #2F53B3 #4F72D1 #7F99DD

Accessibility & contrast

On white

6.98

#2F53B3 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.01

#2F53B3 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F53B3

6.98:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53B3	#FFFFFF	#000000	##FFFFFF
##2F53B3	1.00	6.98	3.01	6.98
#FFFFFF	6.98	1.00	21.00	1.00
#000000	3.01	21.00	1.00	21.00
##FFFFFF	6.98	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0A60B6

Deuteranopia (green-blind)

#0053B1

Tritanopia (blue-blind)

#006A7B

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2f53b3;
/* rgb */ color: rgb(47, 83, 179);
/* oklch */ color: oklch(47.2% 0.158 265.3);

Tailwind

colors: {
  custom: {
    50: '#7a82ca',
    500: '#2f53b3',
    950: '#000000',
  },
}

SCSS

$custom: #2f53b3;
$custom-light: #7a82ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53b3",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 179
  },
  "hsl": {
    "h": 223.636,
    "s": 58.407,
    "l": 44.314
  },
  "oklch": {
    "l": 0.47245,
    "c": 0.15834,
    "h": 265.3
  },
  "luminance": 0.10046
}

Semantic roles & 50–950 ramp

primary

#2F53B3

secondary

#C6B178

accent

#B746E2

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F53B3

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

Preview Lab → · Contrast checker → · Palette generator →