#2F63B0#2F63B0

#2F63B0 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.5% C 0.135 H 258.3°. Best body text is #FFFFFF at 5.94:1 contrast (WCAG AA passes).

Color values

HEX	#2F63B0
RGB	rgb(47, 99, 176)
HSL	hsl(216, 58%, 44%)
HSV	hsv(216, 73%, 69%)
CMYK	cmyk(73.3%, 43.8%, 0%, 31%)
CIE-LAB	lab(42.25, 9.60, -46.08)
CIE-LCH	lch(42.25, 47.07, 281.77°)
OKLab	oklab(50.49% -0.0273 -0.1318)
OKLCH	oklch(50.49% 0.135 258.3)
XYZ	xyz(13.4678, 12.6611, 42.7999)
Luminance	0.1266 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F63B0 #B07C2F

analogous

#2FA3B0 #2F63B0 #3B2FB0

triadic

#2F63B0 #B02F63 #63B02F

tetradic

#2F63B0 #B02FA3 #B07C2F #2FB03B

square

#2F63B0 #B02FA3 #B07C2F #2FB03B

split-complementary

#2F63B0 #B03B2F #A3B02F

monochromatic

#152D4F #224880 #2F63B0 #4D81CF #7DA3DC

Accessibility & contrast

On white

5.94

#2F63B0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#2F63B0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F63B0

5.94:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F63B0	#FFFFFF	#000000	##FFFFFF
##2F63B0	1.00	5.94	3.53	5.94
#FFFFFF	5.94	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.94	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6AB3

Deuteranopia (green-blind)

#255EAE

Tritanopia (blue-blind)

#007581

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2f63b0;
/* rgb */ color: rgb(47, 99, 176);
/* oklch */ color: oklch(50.5% 0.135 258.3);

Tailwind

colors: {
  custom: {
    50: '#788ec8',
    500: '#2f63b0',
    950: '#000000',
  },
}

SCSS

$custom: #2f63b0;
$custom-light: #788ec8;
$custom-dark: #000000;

JSON

{
  "hex": "#2f63b0",
  "rgb": {
    "r": 47,
    "g": 99,
    "b": 176
  },
  "hsl": {
    "h": 215.814,
    "s": 57.848,
    "l": 43.725
  },
  "oklch": {
    "l": 0.50494,
    "c": 0.13463,
    "h": 258.3
  },
  "luminance": 0.12663
}

Semantic roles & 50–950 ramp

primary

#2F63B0

secondary

#C5A576

accent

#A347E1

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F63B0

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

Preview Lab → · Contrast checker → · Palette generator →