#2A66BA#2A66BA

#2A66BA is a mid, vivid blue. Relative luminance 0.135; OKLCH L 51.7% C 0.146 H 257.6°. Best body text is #FFFFFF at 5.66:1 contrast (WCAG AA passes).

Color values

HEX	#2A66BA
RGB	rgb(42, 102, 186)
HSL	hsl(215, 63%, 45%)
HSV	hsv(215, 77%, 73%)
CMYK	cmyk(77.4%, 45.2%, 0%, 27.1%)
CIE-LAB	lab(43.56, 10.83, -49.83)
CIE-LCH	lch(43.56, 50.99, 282.26°)
OKLab	oklab(51.66% -0.0314 -0.1429)
OKLCH	oklch(51.66% 0.146 257.6)
XYZ	xyz(14.5659, 13.5385, 48.2904)
Luminance	0.1354 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A66BA #BA7E2A

analogous

#2AAEBA #2A66BA #362ABA

triadic

#2A66BA #BA2A66 #66BA2A

tetradic

#2A66BA #BA2AAE #BA7E2A #2ABA36

square

#2A66BA #BA2AAE #BA7E2A #2ABA36

split-complementary

#2A66BA #BA362A #AEBA2A

monochromatic

#132F56 #1F4B88 #2A66BA #4B85D6 #7DA7E2

Accessibility & contrast

On white

5.66

#2A66BA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.71

#2A66BA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A66BA

5.66:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A66BA	#FFFFFF	#000000	##FFFFFF
##2A66BA	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)

#1B61B8

Tritanopia (blue-blind)

#007A87

Achromatopsia (no color)

#676767

Design tokens & code

CSS

--color: #2a66ba;
/* rgb */ color: rgb(42, 102, 186);
/* oklch */ color: oklch(51.7% 0.146 257.6);

Tailwind

colors: {
  custom: {
    50: '#7991cf',
    500: '#2a66ba',
    950: '#000000',
  },
}

SCSS

$custom: #2a66ba;
$custom-light: #7991cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a66ba",
  "rgb": {
    "r": 42,
    "g": 102,
    "b": 186
  },
  "hsl": {
    "h": 215,
    "s": 63.158,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51662,
    "c": 0.14626,
    "h": 257.6
  },
  "luminance": 0.1354
}

Semantic roles & 50–950 ramp

primary

#2A66BA

secondary

#CAA776

accent

#A242E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2A66BA

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

Preview Lab → · Contrast checker → · Palette generator →