#2A53BD#2A53BD

#2A53BD is a mid, vivid blue. Relative luminance 0.104; OKLCH L 47.8% C 0.173 H 264.6°. Best body text is #FFFFFF at 6.84:1 contrast (WCAG AA passes).

Color values

HEX	#2A53BD
RGB	rgb(42, 83, 189)
HSL	hsl(223, 64%, 45%)
HSV	hsv(223, 78%, 74%)
CMYK	cmyk(77.8%, 56.1%, 0%, 25.9%)
CIE-LAB	lab(38.47, 24.36, -59.81)
CIE-LCH	lch(38.47, 64.58, 292.16°)
OKLab	oklab(47.84% -0.0163 -0.1726)
OKLCH	oklch(47.84% 0.173 264.6)
XYZ	xyz(13.2302, 10.3514, 49.4350)
Luminance	0.1035 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A53BD #BD942A

analogous

#2A9DBD #2A53BD #4A2ABD

triadic

#2A53BD #BD2A53 #53BD2A

tetradic

#2A53BD #BD2A9D #BD942A #2ABD4A

square

#2A53BD #BD2A9D #BD942A #2ABD4A

split-complementary

#2A53BD #BD4A2A #9DBD2A

monochromatic

#142759 #1F3D8B #2A53BD #4D73D7 #7F9BE3

Accessibility & contrast

On white

6.84

#2A53BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.07

#2A53BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A53BD

6.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A53BD	#FFFFFF	#000000	##FFFFFF
##2A53BD	1.00	6.84	3.07	6.84
#FFFFFF	6.84	1.00	21.00	1.00
#000000	3.07	21.00	1.00	21.00
##FFFFFF	6.84	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: #2a53bd;
/* rgb */ color: rgb(42, 83, 189);
/* oklch */ color: oklch(47.8% 0.173 264.6);

Tailwind

colors: {
  custom: {
    50: '#7a82d2',
    500: '#2a53bd',
    950: '#000000',
  },
}

SCSS

$custom: #2a53bd;
$custom-light: #7a82d2;
$custom-dark: #000000;

JSON

{
  "hex": "#2a53bd",
  "rgb": {
    "r": 42,
    "g": 83,
    "b": 189
  },
  "hsl": {
    "h": 223.265,
    "s": 63.636,
    "l": 45.294
  },
  "oklch": {
    "l": 0.47836,
    "c": 0.17336,
    "h": 264.6
  },
  "luminance": 0.10353
}

Semantic roles & 50–950 ramp

primary

#2A53BD

secondary

#CBB478

accent

#B841E7

background

#F8F7FD

surface

#EFEEFA

border

#CAC9D3

text

#0B0A14

muted

#7C7C83

Preview Lab

Preview with #2A53BD

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

Preview Lab → · Contrast checker → · Palette generator →