#2A56B5#2A56B5

#2A56B5 is a mid, vivid blue. Relative luminance 0.105; OKLCH L 47.8% C 0.159 H 263.1°. Best body text is #FFFFFF at 6.78:1 contrast (WCAG AA passes).

Color values

HEX	#2A56B5
RGB	rgb(42, 86, 181)
HSL	hsl(221, 62%, 44%)
HSV	hsv(221, 77%, 71%)
CMYK	cmyk(76.8%, 52.5%, 0%, 29%)
CIE-LAB	lab(38.70, 19.33, -54.75)
CIE-LCH	lch(38.70, 58.06, 289.44°)
OKLab	oklab(47.82% -0.0192 -0.1576)
OKLCH	oklch(47.82% 0.159 263.1)
XYZ	xyz(12.6201, 10.4826, 45.0653)
Luminance	0.1048 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A56B5 #B5892A

analogous

#2A9BB5 #2A56B5 #432AB5

triadic

#2A56B5 #B52A56 #56B52A

tetradic

#2A56B5 #B52A9B #B5892A #2AB543

square

#2A56B5 #B52A9B #B5892A #2AB543

split-complementary

#2A56B5 #B5432A #9BB52A

monochromatic

#132752 #1E3E83 #2A56B5 #4874D4 #799AE0

Accessibility & contrast

On white

6.78

#2A56B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.10

#2A56B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A56B5

6.78:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A56B5	#FFFFFF	#000000	##FFFFFF
##2A56B5	1.00	6.78	3.10	6.78
#FFFFFF	6.78	1.00	21.00	1.00
#000000	3.10	21.00	1.00	21.00
##FFFFFF	6.78	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#1462B8

Deuteranopia (green-blind)

#0055B3

Tritanopia (blue-blind)

#006D7D

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2a56b5;
/* rgb */ color: rgb(42, 86, 181);
/* oklch */ color: oklch(47.8% 0.159 263.1);

Tailwind

colors: {
  custom: {
    50: '#7885cc',
    500: '#2a56b5',
    950: '#000000',
  },
}

SCSS

$custom: #2a56b5;
$custom-light: #7885cc;
$custom-dark: #000000;

JSON

{
  "hex": "#2a56b5",
  "rgb": {
    "r": 42,
    "g": 86,
    "b": 181
  },
  "hsl": {
    "h": 221.007,
    "s": 62.332,
    "l": 43.725
  },
  "oklch": {
    "l": 0.47823,
    "c": 0.1588,
    "h": 263.1
  },
  "luminance": 0.10484
}

Semantic roles & 50–950 ramp

primary

#2A56B5

secondary

#C8AD73

accent

#B242E5

background

#F7F8FC

surface

#EEEFF9

border

#C9CAD2

text

#0A0A13

muted

#7C7C82

Preview Lab

Preview with #2A56B5

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

Preview Lab → · Contrast checker → · Palette generator →