#2A55BC#2A55BC

#2A55BC is a mid, vivid blue. Relative luminance 0.106; OKLCH L 48.2% C 0.170 H 264.0°. Best body text is #FFFFFF at 6.72:1 contrast (WCAG AA passes).

Color values

HEX	#2A55BC
RGB	rgb(42, 85, 188)
HSL	hsl(222, 63%, 45%)
HSV	hsv(222, 78%, 74%)
CMYK	cmyk(77.7%, 54.8%, 0%, 26.3%)
CIE-LAB	lab(38.93, 22.66, -58.47)
CIE-LCH	lch(38.93, 62.71, 291.19°)
OKLab	oklab(48.16% -0.0178 -0.1686)
OKLCH	oklch(48.16% 0.17 264)
XYZ	xyz(13.2772, 10.6186, 48.9170)
Luminance	0.1062 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A55BC #BC912A

analogous

#2A9EBC #2A55BC #482ABC

triadic

#2A55BC #BC2A55 #55BC2A

tetradic

#2A55BC #BC2A9E #BC912A #2ABC48

square

#2A55BC #BC2A9E #BC912A #2ABC48

split-complementary

#2A55BC #BC482A #9EBC2A

monochromatic

#142858 #1F3E8A #2A55BC #4C75D7 #7E9CE2

Accessibility & contrast

On white

6.72

#2A55BC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.12

#2A55BC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A55BC

6.72:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A55BC	#FFFFFF	#000000	##FFFFFF
##2A55BC	1.00	6.72	3.12	6.72
#FFFFFF	6.72	1.00	21.00	1.00
#000000	3.12	21.00	1.00	21.00
##FFFFFF	6.72	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0063C0

Deuteranopia (green-blind)

#0055BA

Tritanopia (blue-blind)

#006E80

Achromatopsia (no color)

#5C5C5C

Design tokens & code

CSS

--color: #2a55bc;
/* rgb */ color: rgb(42, 85, 188);
/* oklch */ color: oklch(48.2% 0.170 264.0);

Tailwind

colors: {
  custom: {
    50: '#7a84d1',
    500: '#2a55bc',
    950: '#000000',
  },
}

SCSS

$custom: #2a55bc;
$custom-light: #7a84d1;
$custom-dark: #000000;

JSON

{
  "hex": "#2a55bc",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 188
  },
  "hsl": {
    "h": 222.329,
    "s": 63.478,
    "l": 45.098
  },
  "oklch": {
    "l": 0.48163,
    "c": 0.16955,
    "h": 264
  },
  "luminance": 0.1062
}

Semantic roles & 50–950 ramp

primary

#2A55BC

secondary

#CBB277

accent

#B641E7

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2A55BC

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

Preview Lab → · Contrast checker → · Palette generator →