#2F66B7#2F66B7

#2F66B7 is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.6% C 0.141 H 258.2°. Best body text is #FFFFFF at 5.67:1 contrast (WCAG AA passes).

Color values

HEX	#2F66B7
RGB	rgb(47, 102, 183)
HSL	hsl(216, 59%, 45%)
HSV	hsv(216, 74%, 72%)
CMYK	cmyk(74.3%, 44.3%, 0%, 28.2%)
CIE-LAB	lab(43.54, 10.32, -48.10)
CIE-LCH	lch(43.54, 49.20, 282.10°)
OKLab	oklab(51.63% -0.0287 -0.1377)
OKLCH	oklch(51.63% 0.141 258.2)
XYZ	xyz(14.4678, 13.5244, 46.6385)
Luminance	0.1353 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66B7 #B7802F

analogous

#2FAAB7 #2F66B7 #3C2FB7

triadic

#2F66B7 #B72F66 #66B72F

tetradic

#2F66B7 #B72FAA #B7802F #2FB73C

square

#2F66B7 #B72FAA #B7802F #2FB73C

split-complementary

#2F66B7 #B73C2F #AAB72F

monochromatic

#163056 #224B86 #2F66B7 #5185D2 #82A7DF

Accessibility & contrast

On white

5.67

#2F66B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#2F66B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66B7

5.67:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66B7	#FFFFFF	#000000	##FFFFFF
##2F66B7	1.00	5.67	3.71	5.67
#FFFFFF	5.67	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.67	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3D6EBA

Deuteranopia (green-blind)

#2361B5

Tritanopia (blue-blind)

#007985

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2f66b7;
/* rgb */ color: rgb(47, 102, 183);
/* oklch */ color: oklch(51.6% 0.141 258.2);

Tailwind

colors: {
  custom: {
    50: '#7a91cd',
    500: '#2f66b7',
    950: '#000000',
  },
}

SCSS

$custom: #2f66b7;
$custom-light: #7a91cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66b7",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 183
  },
  "hsl": {
    "h": 215.735,
    "s": 59.13,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51633,
    "c": 0.14067,
    "h": 258.2
  },
  "luminance": 0.13526
}

Semantic roles & 50–950 ramp

primary

#2F66B7

secondary

#C8A87A

accent

#A345E2

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2F66B7

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

Preview Lab → · Contrast checker → · Palette generator →