#2A5FD0#2A5FD0

#2A5FD0 is a mid, vivid blue. Relative luminance 0.132; OKLCH L 51.8% C 0.184 H 262.8°. Best body text is #FFFFFF at 5.76:1 contrast (WCAG AA passes).

Color values

HEX	#2A5FD0
RGB	rgb(42, 95, 208)
HSL	hsl(221, 66%, 49%)
HSV	hsv(221, 80%, 82%)
CMYK	cmyk(79.8%, 54.3%, 0%, 18.4%)
CIE-LAB	lab(43.11, 23.75, -63.28)
CIE-LCH	lch(43.11, 67.59, 290.57°)
OKLab	oklab(51.79% -0.0231 -0.1826)
OKLCH	oklch(51.79% 0.184 262.8)
XYZ	xyz(16.4281, 13.2288, 61.3499)
Luminance	0.1323 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A5FD0 #D09B2A

analogous

#2AB2D0 #2A5FD0 #482AD0

triadic

#2A5FD0 #D02A5F #5FD02A

tetradic

#2A5FD0 #D02AB2 #D09B2A #2AD048

square

#2A5FD0 #D02AB2 #D09B2A #2AD048

split-complementary

#2A5FD0 #D0482A #B2D02A

monochromatic

#15306A #20489D #2A5FD0 #5A84DE #8DAAE8

Accessibility & contrast

On white

5.76

#2A5FD0 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#2A5FD0 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A5FD0

5.76:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A5FD0	#FFFFFF	#000000	##FFFFFF
##2A5FD0	1.00	5.76	3.65	5.76
#FFFFFF	5.76	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.76	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006ED4

Deuteranopia (green-blind)

#005FCE

Tritanopia (blue-blind)

#007B8E

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2a5fd0;
/* rgb */ color: rgb(42, 95, 208);
/* oklch */ color: oklch(51.8% 0.184 262.8);

Tailwind

colors: {
  custom: {
    50: '#7e8bdf',
    500: '#2a5fd0',
    950: '#000000',
  },
}

SCSS

$custom: #2a5fd0;
$custom-light: #7e8bdf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a5fd0",
  "rgb": {
    "r": 42,
    "g": 95,
    "b": 208
  },
  "hsl": {
    "h": 220.843,
    "s": 66.4,
    "l": 49.02
  },
  "oklch": {
    "l": 0.51787,
    "c": 0.18405,
    "h": 262.8
  },
  "luminance": 0.13231
}

Semantic roles & 50–950 ramp

primary

#2A5FD0

secondary

#D2B984

accent

#B33EE9

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0C0C15

muted

#7D7D83

Preview Lab

Preview with #2A5FD0

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

Preview Lab → · Contrast checker → · Palette generator →