#2F66C1#2F66C1

#2F66C1 is a mid, vivid blue. Relative luminance 0.140; OKLCH L 52.3% C 0.154 H 260.0°. Best body text is #FFFFFF at 5.54:1 contrast (WCAG AA passes).

Color values

HEX	#2F66C1
RGB	rgb(47, 102, 193)
HSL	hsl(217, 61%, 47%)
HSV	hsv(217, 76%, 76%)
CMYK	cmyk(75.6%, 47.2%, 0%, 24.3%)
CIE-LAB	lab(44.17, 14.09, -52.91)
CIE-LCH	lch(44.17, 54.75, 284.91°)
OKLab	oklab(52.32% -0.0269 -0.1519)
OKLCH	oklch(52.32% 0.154 260)
XYZ	xyz(15.5458, 13.9556, 52.3161)
Luminance	0.1396 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66C1 #C18A2F

analogous

#2FAFC1 #2F66C1 #412FC1

triadic

#2F66C1 #C12F66 #66C12F

tetradic

#2F66C1 #C12FAF #C18A2F #2FC141

square

#2F66C1 #C12FAF #C18A2F #2FC141

split-complementary

#2F66C1 #C1412F #AFC12F

monochromatic

#17325F #234C90 #2F66C1 #5787D6 #88AAE2

Accessibility & contrast

On white

5.54

#2F66C1 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.79

#2F66C1 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66C1

5.54:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66C1	#FFFFFF	#000000	##FFFFFF
##2F66C1	1.00	5.54	3.79	5.54
#FFFFFF	5.54	1.00	21.00	1.00
#000000	3.79	21.00	1.00	21.00
##FFFFFF	5.54	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3470C4

Deuteranopia (green-blind)

#0B62BF

Tritanopia (blue-blind)

#007C8A

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #2f66c1;
/* rgb */ color: rgb(47, 102, 193);
/* oklch */ color: oklch(52.3% 0.154 260.0);

Tailwind

colors: {
  custom: {
    50: '#7c91d4',
    500: '#2f66c1',
    950: '#000000',
  },
}

SCSS

$custom: #2f66c1;
$custom-light: #7c91d4;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66c1",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 193
  },
  "hsl": {
    "h": 217.397,
    "s": 60.833,
    "l": 47.059
  },
  "oklch": {
    "l": 0.52317,
    "c": 0.15421,
    "h": 260
  },
  "luminance": 0.13957
}

Semantic roles & 50–950 ramp

primary

#2F66C1

secondary

#CCAF80

accent

#A844E4

background

#F8F8FD

surface

#EFF0FA

border

#CACBD3

text

#0B0C14

muted

#7C7D83

Preview Lab

Preview with #2F66C1

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

Preview Lab → · Contrast checker → · Palette generator →