#2A55BD#2A55BD

#2A55BD is a mid, vivid blue. Relative luminance 0.107; OKLCH L 48.2% C 0.171 H 264.1°. Best body text is #FFFFFF at 6.70:1 contrast (WCAG AA passes).

Color values

HEX	#2A55BD
RGB	rgb(42, 85, 189)
HSL	hsl(222, 64%, 45%)
HSV	hsv(222, 78%, 74%)
CMYK	cmyk(77.8%, 55%, 0%, 25.9%)
CIE-LAB	lab(39.00, 23.05, -58.93)
CIE-LCH	lch(39.00, 63.28, 291.36°)
OKLab	oklab(48.24% -0.0177 -0.17)
OKLCH	oklch(48.24% 0.171 264.1)
XYZ	xyz(13.3854, 10.6618, 49.4867)
Luminance	0.1066 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A55BD #BD922A

analogous

#2A9EBD #2A55BD #492ABD

triadic

#2A55BD #BD2A55 #55BD2A

tetradic

#2A55BD #BD2A9E #BD922A #2ABD49

square

#2A55BD #BD2A9E #BD922A #2ABD49

split-complementary

#2A55BD #BD492A #9EBD2A

monochromatic

#142859 #1F3E8B #2A55BD #4D75D7 #7F9CE3

Accessibility & contrast

On white

6.70

#2A55BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.13

#2A55BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A55BD

6.70:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A55BD	#FFFFFF	#000000	##FFFFFF
##2A55BD	1.00	6.70	3.13	6.70
#FFFFFF	6.70	1.00	21.00	1.00
#000000	3.13	21.00	1.00	21.00
##FFFFFF	6.70	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C1

Deuteranopia (green-blind)

#0055BB

Tritanopia (blue-blind)

#006F80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2a55bd;
/* rgb */ color: rgb(42, 85, 189);
/* oklch */ color: oklch(48.2% 0.171 264.1);

Tailwind

colors: {
  custom: {
    50: '#7a84d2',
    500: '#2a55bd',
    950: '#000000',
  },
}

SCSS

$custom: #2a55bd;
$custom-light: #7a84d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a55bd",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 189
  },
  "hsl": {
    "h": 222.449,
    "s": 63.636,
    "l": 45.294
  },
  "oklch": {
    "l": 0.48242,
    "c": 0.1709,
    "h": 264.1
  },
  "luminance": 0.10663
}

Semantic roles & 50–950 ramp

primary

#2A55BD

secondary

#CBB378

accent

#B641E7

background

#F8F8FD

surface

#EFEFFA

border

#CACAD3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2A55BD

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

Preview Lab → · Contrast checker → · Palette generator →