#2F66E0#2F66E0

#2F66E0 is a mid, vivid blue. Relative luminance 0.155; OKLCH L 54.6% C 0.195 H 263.2°. Best body text is #FFFFFF at 5.12:1 contrast (WCAG AA passes).

Color values

HEX	#2F66E0
RGB	rgb(47, 102, 224)
HSL	hsl(221, 74%, 53%)
HSV	hsv(221, 79%, 88%)
CMYK	cmyk(79%, 54.5%, 0%, 12.2%)
CIE-LAB	lab(46.29, 25.75, -67.22)
CIE-LCH	lch(46.29, 71.98, 290.96°)
OKLab	oklab(54.61% -0.0232 -0.194)
OKLCH	oklch(54.61% 0.195 263.2)
XYZ	xyz(19.3734, 15.4866, 72.4747)
Luminance	0.1549 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66E0 #E0A92F

analogous

#2FBEE0 #2F66E0 #502FE0

triadic

#2F66E0 #E02F66 #66E02F

tetradic

#2F66E0 #E02FBE #E0A92F #2FE050

square

#2F66E0 #E02FBE #E0A92F #2FE050

split-complementary

#2F66E0 #E0502F #BEE02F

monochromatic

#133581 #1B4BB7 #2F66E0 #648DE8 #9AB4F0

Accessibility & contrast

On white

5.12

#2F66E0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

4.10

#2F66E0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66E0

5.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66E0	#FFFFFF	#000000	##FFFFFF
##2F66E0	1.00	5.12	4.10	5.12
#FFFFFF	5.12	1.00	21.00	1.00
#000000	4.10	21.00	1.00	21.00
##FFFFFF	5.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0076E4

Deuteranopia (green-blind)

#0066DE

Tritanopia (blue-blind)

#008499

Achromatopsia (no color)

#6E6E6E

Design tokens & code

CSS

--color: #2f66e0;
/* rgb */ color: rgb(47, 102, 224);
/* oklch */ color: oklch(54.6% 0.195 263.2);

Tailwind

colors: {
  custom: {
    50: '#8391eb',
    500: '#2f66e0',
    950: '#000000',
  },
}

SCSS

$custom: #2f66e0;
$custom-light: #8391eb;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66e0",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 224
  },
  "hsl": {
    "h": 221.356,
    "s": 74.059,
    "l": 53.137
  },
  "oklch": {
    "l": 0.54612,
    "c": 0.19536,
    "h": 263.2
  },
  "luminance": 0.15489
}

Semantic roles & 50–950 ramp

primary

#2F66E0

secondary

#DCC48F

accent

#B737F1

background

#F8F8FE

surface

#F0F0FD

border

#CBCBD5

text

#0D0C16

muted

#7D7D84

Preview Lab

Preview with #2F66E0

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

Preview Lab → · Contrast checker → · Palette generator →