#2F63C9#2F63C9

#2F63C9 is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.3% C 0.169 H 262.0°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#2F63C9
RGB	rgb(47, 99, 201)
HSL	hsl(220, 62%, 49%)
HSV	hsv(220, 77%, 79%)
CMYK	cmyk(76.6%, 50.7%, 0%, 21.2%)
CIE-LAB	lab(43.86, 19.04, -58.02)
CIE-LCH	lch(43.86, 61.07, 288.17°)
OKLab	oklab(52.25% -0.0234 -0.167)
OKLCH	oklch(52.25% 0.169 262)
XYZ	xyz(16.1730, 13.7432, 57.0474)
Luminance	0.1374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F63C9 #C9952F

analogous

#2FB0C9 #2F63C9 #482FC9

triadic

#2F63C9 #C92F63 #63C92F

tetradic

#2F63C9 #C92FB0 #C9952F #2FC948

square

#2F63C9 #C92FB0 #C9952F #2FC948

split-complementary

#2F63C9 #C9482F #B0C92F

monochromatic

#183266 #234B97 #2F63C9 #5C86D9 #8EABE5

Accessibility & contrast

On white

5.60

#2F63C9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#2F63C9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F63C9

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F63C9	#FFFFFF	#000000	##FFFFFF
##2F63C9	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#226FCD

Deuteranopia (green-blind)

#0061C7

Tritanopia (blue-blind)

#007C8C

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #2f63c9;
/* rgb */ color: rgb(47, 99, 201);
/* oklch */ color: oklch(52.3% 0.169 262.0);

Tailwind

colors: {
  custom: {
    50: '#7e8eda',
    500: '#2f63c9',
    950: '#000000',
  },
}

SCSS

$custom: #2f63c9;
$custom-light: #7e8eda;
$custom-dark: #000000;

JSON

{
  "hex": "#2f63c9",
  "rgb": {
    "r": 47,
    "g": 99,
    "b": 201
  },
  "hsl": {
    "h": 219.74,
    "s": 62.097,
    "l": 48.627
  },
  "oklch": {
    "l": 0.52252,
    "c": 0.16859,
    "h": 262
  },
  "luminance": 0.13745
}

Semantic roles & 50–950 ramp

primary

#2F63C9

secondary

#CFB685

accent

#AE43E5

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0C15

muted

#7C7D83

Preview Lab

Preview with #2F63C9

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

Preview Lab → · Contrast checker → · Palette generator →