#2F53B1#2F53B1

#2F53B1 is a mid, vivid blue. Relative luminance 0.100; OKLCH L 47.1% C 0.156 H 265.1°. Best body text is #FFFFFF at 7.02:1 contrast (WCAG AA passes).

Color values

HEX	#2F53B1
RGB	rgb(47, 83, 177)
HSL	hsl(223, 58%, 44%)
HSV	hsv(223, 73%, 69%)
CMYK	cmyk(73.4%, 53.1%, 0%, 30.6%)
CIE-LAB	lab(37.78, 20.41, -53.86)
CIE-LCH	lch(37.78, 57.60, 290.75°)
OKLab	oklab(47.09% -0.0133 -0.155)
OKLCH	oklch(47.09% 0.156 265.1)
XYZ	xyz(12.1986, 9.9639, 42.8668)
Luminance	0.0997 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53B1 #B18D2F

analogous

#2F94B1 #2F53B1 #4C2FB1

triadic

#2F53B1 #B12F53 #53B12F

tetradic

#2F53B1 #B12F94 #B18D2F #2FB14C

square

#2F53B1 #B12F94 #B18D2F #2FB14C

split-complementary

#2F53B1 #B14C2F #94B12F

monochromatic

#152650 #223C81 #2F53B1 #4D71D0 #7E98DD

Accessibility & contrast

On white

7.02

#2F53B1 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2F53B1 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F53B1

7.02:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53B1	#FFFFFF	#000000	##FFFFFF
##2F53B1	1.00	7.02	2.99	7.02
#FFFFFF	7.02	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.02	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#105FB4

Deuteranopia (green-blind)

#0053AF

Tritanopia (blue-blind)

#006A7A

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2f53b1;
/* rgb */ color: rgb(47, 83, 177);
/* oklch */ color: oklch(47.1% 0.156 265.1);

Tailwind

colors: {
  custom: {
    50: '#7982c9',
    500: '#2f53b1',
    950: '#000000',
  },
}

SCSS

$custom: #2f53b1;
$custom-light: #7982c9;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53b1",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 177
  },
  "hsl": {
    "h": 223.385,
    "s": 58.036,
    "l": 43.922
  },
  "oklch": {
    "l": 0.4709,
    "c": 0.15558,
    "h": 265.1
  },
  "luminance": 0.09965
}

Semantic roles & 50–950 ramp

primary

#2F53B1

secondary

#C5B076

accent

#B647E1

background

#F8F7FC

surface

#EFEEF8

border

#CAC9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F53B1

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

Preview Lab → · Contrast checker → · Palette generator →