#2F66B6#2F66B6

#2F66B6 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.6% C 0.139 H 258.0°. Best body text is #FFFFFF at 5.68:1 contrast (WCAG AA passes).

Color values

HEX	#2F66B6
RGB	rgb(47, 102, 182)
HSL	hsl(216, 59%, 45%)
HSV	hsv(216, 74%, 71%)
CMYK	cmyk(74.2%, 44%, 0%, 28.6%)
CIE-LAB	lab(43.48, 9.94, -47.62)
CIE-LCH	lch(43.48, 48.64, 281.79°)
OKLab	oklab(51.57% -0.0289 -0.1363)
OKLCH	oklch(51.57% 0.139 258)
XYZ	xyz(14.3641, 13.4829, 46.0923)
Luminance	0.1348 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66B6 #B67F2F

analogous

#2FA9B6 #2F66B6 #3C2FB6

triadic

#2F66B6 #B62F66 #66B62F

tetradic

#2F66B6 #B62FA9 #B67F2F #2FB63C

square

#2F66B6 #B62FA9 #B67F2F #2FB63C

split-complementary

#2F66B6 #B63C2F #A9B62F

monochromatic

#162F55 #224B85 #2F66B6 #5085D2 #81A7DE

Accessibility & contrast

On white

5.68

#2F66B6 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.70

#2F66B6 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66B6

5.68:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66B6	#FFFFFF	#000000	##FFFFFF
##2F66B6	1.00	5.68	3.70	5.68
#FFFFFF	5.68	1.00	21.00	1.00
#000000	3.70	21.00	1.00	21.00
##FFFFFF	5.68	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3E6DB9

Deuteranopia (green-blind)

#2561B4

Tritanopia (blue-blind)

#007985

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2f66b6;
/* rgb */ color: rgb(47, 102, 182);
/* oklch */ color: oklch(51.6% 0.139 258.0);

Tailwind

colors: {
  custom: {
    50: '#7a91cc',
    500: '#2f66b6',
    950: '#000000',
  },
}

SCSS

$custom: #2f66b6;
$custom-light: #7a91cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66b6",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 182
  },
  "hsl": {
    "h": 215.556,
    "s": 58.952,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51566,
    "c": 0.13931,
    "h": 258
  },
  "luminance": 0.13484
}

Semantic roles & 50–950 ramp

primary

#2F66B6

secondary

#C7A879

accent

#A246E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F66B6

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

Preview Lab → · Contrast checker → · Palette generator →