#2F66BC#2F66BC

#2F66BC is a mid, vivid blue. Relative luminance 0.137; OKLCH L 52.0% C 0.147 H 259.2°. Best body text is #FFFFFF at 5.60:1 contrast (WCAG AA passes).

Color values

HEX	#2F66BC
RGB	rgb(47, 102, 188)
HSL	hsl(217, 60%, 46%)
HSV	hsv(217, 75%, 74%)
CMYK	cmyk(75%, 45.7%, 0%, 26.3%)
CIE-LAB	lab(43.85, 12.20, -50.52)
CIE-LCH	lch(43.85, 51.97, 283.58°)
OKLab	oklab(51.97% -0.0277 -0.1448)
OKLCH	oklch(51.97% 0.147 259.2)
XYZ	xyz(14.9975, 13.7362, 49.4281)
Luminance	0.1374 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2F66BC #BC852F

analogous

#2FACBC #2F66BC #3F2FBC

triadic

#2F66BC #BC2F66 #66BC2F

tetradic

#2F66BC #BC2FAC #BC852F #2FBC3F

square

#2F66BC #BC2FAC #BC852F #2FBC3F

split-complementary

#2F66BC #BC3F2F #ACBC2F

monochromatic

#17315A #234B8B #2F66BC #5486D4 #85A9E0

Accessibility & contrast

On white

5.60

#2F66BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.75

#2F66BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2F66BC

5.60:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2F66BC	#FFFFFF	#000000	##FFFFFF
##2F66BC	1.00	5.60	3.75	5.60
#FFFFFF	5.60	1.00	21.00	1.00
#000000	3.75	21.00	1.00	21.00
##FFFFFF	5.60	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#396FBF

Deuteranopia (green-blind)

#1A62BA

Tritanopia (blue-blind)

#007A88

Achromatopsia (no color)

#686868

Design tokens & code

CSS

--color: #2f66bc;
/* rgb */ color: rgb(47, 102, 188);
/* oklch */ color: oklch(52.0% 0.147 259.2);

Tailwind

colors: {
  custom: {
    50: '#7b91d1',
    500: '#2f66bc',
    950: '#000000',
  },
}

SCSS

$custom: #2f66bc;
$custom-light: #7b91d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2f66bc",
  "rgb": {
    "r": 47,
    "g": 102,
    "b": 188
  },
  "hsl": {
    "h": 216.596,
    "s": 60,
    "l": 46.078
  },
  "oklch": {
    "l": 0.51971,
    "c": 0.14745,
    "h": 259.2
  },
  "luminance": 0.13738
}

Semantic roles & 50–950 ramp

primary

#2F66BC

secondary

#CAAC7D

accent

#A545E3

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2F66BC

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

Preview Lab → · Contrast checker → · Palette generator →