#2A55B7#2A55B7

#2A55B7 is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.163 H 263.6°. Best body text is #FFFFFF at 6.81:1 contrast (WCAG AA passes).

Color values

HEX	#2A55B7
RGB	rgb(42, 85, 183)
HSL	hsl(222, 63%, 44%)
HSV	hsv(222, 77%, 72%)
CMYK	cmyk(77%, 53.6%, 0%, 28.2%)
CIE-LAB	lab(38.56, 20.75, -56.14)
CIE-LCH	lch(38.56, 59.85, 290.29°)
OKLab	oklab(47.77% -0.0182 -0.1617)
OKLCH	oklch(47.77% 0.163 263.6)
XYZ	xyz(12.7475, 10.4067, 46.1274)
Luminance	0.1041 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A55B7 #B78C2A

analogous

#2A9CB7 #2A55B7 #462AB7

triadic

#2A55B7 #B72A55 #55B72A

tetradic

#2A55B7 #B72A9C #B78C2A #2AB746

square

#2A55B7 #B72A9C #B78C2A #2AB746

split-complementary

#2A55B7 #B7462A #9CB72A

monochromatic

#132753 #1F3E85 #2A55B7 #4974D5 #7B9AE1

Accessibility & contrast

On white

6.81

#2A55B7 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.08

#2A55B7 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A55B7

6.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A55B7	#FFFFFF	#000000	##FFFFFF
##2A55B7	1.00	6.81	3.08	6.81
#FFFFFF	6.81	1.00	21.00	1.00
#000000	3.08	21.00	1.00	21.00
##FFFFFF	6.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0762BA

Deuteranopia (green-blind)

#0055B5

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2a55b7;
/* rgb */ color: rgb(42, 85, 183);
/* oklch */ color: oklch(47.8% 0.163 263.6);

Tailwind

colors: {
  custom: {
    50: '#7984cd',
    500: '#2a55b7',
    950: '#000000',
  },
}

SCSS

$custom: #2a55b7;
$custom-light: #7984cd;
$custom-dark: #000000;

JSON

{
  "hex": "#2a55b7",
  "rgb": {
    "r": 42,
    "g": 85,
    "b": 183
  },
  "hsl": {
    "h": 221.702,
    "s": 62.667,
    "l": 44.118
  },
  "oklch": {
    "l": 0.47768,
    "c": 0.16277,
    "h": 263.6
  },
  "luminance": 0.10408
}

Semantic roles & 50–950 ramp

primary

#2A55B7

secondary

#C9AF74

accent

#B442E6

background

#F8F8FC

surface

#EFEFF9

border

#CACAD2

text

#0A0A14

muted

#7C7C82

Preview Lab

Preview with #2A55B7

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

Preview Lab → · Contrast checker → · Palette generator →