#2B66BA#2B66BA

#2B66BA is a mid, vivid blue. Relative luminance 0.136; OKLCH L 51.7% C 0.146 H 257.8°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#2B66BA
RGB	rgb(43, 102, 186)
HSL	hsl(215, 62%, 45%)
HSV	hsv(215, 77%, 73%)
CMYK	cmyk(76.9%, 45.2%, 0%, 27.1%)
CIE-LAB	lab(43.59, 10.95, -49.77)
CIE-LCH	lch(43.59, 50.96, 282.41°)
OKLab	oklab(51.7% -0.0307 -0.1427)
OKLCH	oklch(51.7% 0.146 257.8)
XYZ	xyz(14.6073, 13.5598, 48.2923)
Luminance	0.1356 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B66BA #BA7F2B

analogous

#2BADBA #2B66BA #382BBA

triadic

#2B66BA #BA2B66 #66BA2B

tetradic

#2B66BA #BA2BAD #BA7F2B #2BBA38

square

#2B66BA #BA2BAD #BA7F2B #2BBA38

split-complementary

#2B66BA #BA382B #ADBA2B

monochromatic

#142F57 #204B88 #2B66BA #4C85D6 #7EA7E1

Accessibility & contrast

On white

5.66

#2B66BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#2B66BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B66BA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B66BA	#FFFFFF	#000000	##FFFFFF
##2B66BA	1.00	5.66	3.71	5.66
#FFFFFF	5.66	1.00	21.00	1.00
#000000	3.71	21.00	1.00	21.00
##FFFFFF	5.66	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#3A6EBD

Deuteranopia (green-blind)

#1C61B8

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2b66ba;
/* rgb */ color: rgb(43, 102, 186);
/* oklch */ color: oklch(51.7% 0.146 257.8);

Tailwind

colors: {
  custom: {
    50: '#7991cf',
    500: '#2b66ba',
    950: '#000000',
  },
}

SCSS

$custom: #2b66ba;
$custom-light: #7991cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b66ba",
  "rgb": {
    "r": 43,
    "g": 102,
    "b": 186
  },
  "hsl": {
    "h": 215.245,
    "s": 62.445,
    "l": 44.902
  },
  "oklch": {
    "l": 0.51695,
    "c": 0.14596,
    "h": 257.8
  },
  "luminance": 0.13562
}

Semantic roles & 50–950 ramp

primary

#2B66BA

secondary

#CAA877

accent

#A242E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2B66BA

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

Preview Lab → · Contrast checker → · Palette generator →