#2B53BD#2B53BD

#2B53BD is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.9% C 0.173 H 264.9°. Best body text is #FFFFFF at 6.83:1 contrast (WCAG AA passes).

Color values

HEX	#2B53BD
RGB	rgb(43, 83, 189)
HSL	hsl(224, 63%, 45%)
HSV	hsv(224, 77%, 74%)
CMYK	cmyk(77.2%, 56.1%, 0%, 25.9%)
CIE-LAB	lab(38.50, 24.47, -59.75)
CIE-LCH	lch(38.50, 64.56, 292.27°)
OKLab	oklab(47.87% -0.0155 -0.1724)
OKLCH	oklch(47.87% 0.173 264.9)
XYZ	xyz(13.2716, 10.3727, 49.4369)
Luminance	0.1037 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B53BD #BD952B

analogous

#2B9CBD #2B53BD #4C2BBD

triadic

#2B53BD #BD2B53 #53BD2B

tetradic

#2B53BD #BD2B9C #BD952B #2BBD4C

square

#2B53BD #BD2B9C #BD952B #2BBD4C

split-complementary

#2B53BD #BD4C2B #9CBD2B

monochromatic

#142759 #203D8B #2B53BD #4E74D7 #809BE2

Accessibility & contrast

On white

6.83

#2B53BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2B53BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B53BD

6.83:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B53BD	#FFFFFF	#000000	##FFFFFF
##2B53BD	1.00	6.83	3.07	6.83
#FFFFFF	6.83	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.83	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0062C1

Deuteranopia (green-blind)

#0054BB

Tritanopia (blue-blind)

#006D80

Achromatopsia (no color)

#5B5B5B

Design tokens & code

CSS

--color: #2b53bd;
/* rgb */ color: rgb(43, 83, 189);
/* oklch */ color: oklch(47.9% 0.173 264.9);

Tailwind

colors: {
  custom: {
    50: '#7b82d2',
    500: '#2b53bd',
    950: '#000000',
  },
}

SCSS

$custom: #2b53bd;
$custom-light: #7b82d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2b53bd",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 189
  },
  "hsl": {
    "h": 223.562,
    "s": 62.931,
    "l": 45.49
  },
  "oklch": {
    "l": 0.47874,
    "c": 0.17309,
    "h": 264.9
  },
  "luminance": 0.10374
}

Semantic roles & 50–950 ramp

primary

#2B53BD

secondary

#CBB479

accent

#B942E6

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2B53BD

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

Preview Lab → · Contrast checker → · Palette generator →