#2F53B9#2F53B9

#2F53B9 is a mid, vivid blue. Relative luminance 0.103; OKLCH L 47.7% C 0.167 H 265.7°. Best body text is #FFFFFF at 6.87:1 contrast (WCAG AA passes).

Color values

HEX	#2F53B9
RGB	rgb(47, 83, 185)
HSL	hsl(224, 59%, 45%)
HSV	hsv(224, 75%, 73%)
CMYK	cmyk(74.6%, 55.1%, 0%, 27.5%)
CIE-LAB	lab(38.36, 23.43, -57.63)
CIE-LCH	lch(38.36, 62.21, 292.12°)
OKLab	oklab(47.72% -0.0126 -0.1661)
OKLCH	oklch(47.72% 0.167 265.7)
XYZ	xyz(13.0194, 10.2922, 47.1900)
Luminance	0.1029 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F53B9 #B9952F

analogous

#2F98B9 #2F53B9 #502FB9

triadic

#2F53B9 #B92F53 #53B92F

tetradic

#2F53B9 #B92F98 #B9952F #2FB950

square

#2F53B9 #B92F98 #B9952F #2FB950

split-complementary

#2F53B9 #B9502F #98B92F

monochromatic

#162757 #233D88 #2F53B9 #5274D3 #839BDF

Accessibility & contrast

On white

6.87

#2F53B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.06

#2F53B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F53B9

6.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F53B9	#FFFFFF	#000000	##FFFFFF
##2F53B9	1.00	6.87	3.06	6.87
#FFFFFF	6.87	1.00	21.00	1.00
#000000	3.06	21.00	1.00	21.00
##FFFFFF	6.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BD

Deuteranopia (green-blind)

#0054B7

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2f53b9;
/* rgb */ color: rgb(47, 83, 185);
/* oklch */ color: oklch(47.7% 0.167 265.7);

Tailwind

colors: {
  custom: {
    50: '#7b82cf',
    500: '#2f53b9',
    950: '#000000',
  },
}

SCSS

$custom: #2f53b9;
$custom-light: #7b82cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2f53b9",
  "rgb": {
    "r": 47,
    "g": 83,
    "b": 185
  },
  "hsl": {
    "h": 224.348,
    "s": 59.483,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47717,
    "c": 0.16656,
    "h": 265.7
  },
  "luminance": 0.10294
}

Semantic roles & 50–950 ramp

primary

#2F53B9

secondary

#C9B47B

accent

#BA45E3

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2F53B9

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

Preview Lab → · Contrast checker → · Palette generator →