#2F53B0#2F53B0

#2F53B0 is a mid, vivid blue. Relative luminance 0.099; OKLCH L 47.0% C 0.154 H 265.0°. Best body text is #FFFFFF at 7.04:1 contrast (WCAG AA passes).

Color values

HEX	#2F53B0
RGB	rgb(47, 83, 176)
HSL	hsl(223, 58%, 44%)
HSV	hsv(223, 73%, 69%)
CMYK	cmyk(73.3%, 52.8%, 0%, 31%)
CIE-LAB	lab(37.71, 20.03, -53.39)
CIE-LCH	lch(37.71, 57.02, 290.57°)
OKLab	oklab(47.01% -0.0134 -0.1536)
OKLCH	oklch(47.01% 0.154 265)
XYZ	xyz(12.0993, 9.9241, 42.3438)
Luminance	0.0993 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53B0 #B08C2F

analogous

#2F93B0 #2F53B0 #4B2FB0

triadic

#2F53B0 #B02F53 #53B02F

tetradic

#2F53B0 #B02F93 #B08C2F #2FB04B

square

#2F53B0 #B02F93 #B08C2F #2FB04B

split-complementary

#2F53B0 #B04B2F #93B02F

monochromatic

#15254F #223C80 #2F53B0 #4D71CF #7D98DC

Accessibility & contrast

On white

7.04

#2F53B0 on #FFFFFF

AA ✓AA large ✓AAA ✓

On black

2.99

#2F53B0 on #000000

AA ✗AA large ✗AAA ✗

Best text color

#FFFFFF on #2F53B0

7.04:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53B0	#FFFFFF	#000000	##FFFFFF
##2F53B0	1.00	7.04	2.99	7.04
#FFFFFF	7.04	1.00	21.00	1.00
#000000	2.99	21.00	1.00	21.00
##FFFFFF	7.04	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#135FB3

Deuteranopia (green-blind)

#0053AE

Tritanopia (blue-blind)

#006979

Achromatopsia (no color)

#595959

Design tokens & code

CSS

--color: #2f53b0;
/* rgb */ color: rgb(47, 83, 176);
/* oklch */ color: oklch(47.0% 0.154 265.0);

Tailwind

colors: {
  custom: {
    50: '#7982c8',
    500: '#2f53b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f53b0;
$custom-light: #7982c8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53b0",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 176
  },
  "hsl": {
    "h": 223.256,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47014,
    "c": 0.15419,
    "h": 265
  },
  "luminance": 0.09925
}

Semantic roles & 50–950 ramp

primary

#2F53B0

secondary

#C5AF76

accent

#B647E1

background

#F7F7FC

surface

#EEEEF8

border

#C9C9D1

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2F53B0

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

Preview Lab → · Contrast checker → · Palette generator →