#2A53B9#2A53B9

#2A53B9 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.5% C 0.168 H 264.3°. Best body text is #FFFFFF at 6.92:1 contrast (WCAG AA passes).

Color values

HEX	#2A53B9
RGB	rgb(42, 83, 185)
HSL	hsl(223, 63%, 45%)
HSV	hsv(223, 77%, 73%)
CMYK	cmyk(77.3%, 55.1%, 0%, 27.5%)
CIE-LAB	lab(38.16, 22.84, -57.96)
CIE-LCH	lch(38.16, 62.29, 291.50°)
OKLab	oklab(47.51% -0.0166 -0.1671)
OKLCH	oklch(47.51% 0.168 264.3)
XYZ	xyz(12.8019, 10.1801, 47.1798)
Luminance	0.1018 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2A53B9 #B9902A

analogous

#2A9BB9 #2A53B9 #482AB9

triadic

#2A53B9 #B92A53 #53B92A

tetradic

#2A53B9 #B92A9B #B9902A #2AB948

square

#2A53B9 #B92A9B #B9902A #2AB948

split-complementary

#2A53B9 #B9482A #9BB92A

monochromatic

#132655 #1F3D87 #2A53B9 #4A72D6 #7C99E1

Accessibility & contrast

On white

6.92

#2A53B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2A53B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2A53B9

6.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2A53B9	#FFFFFF	#000000	##FFFFFF
##2A53B9	1.00	6.92	3.04	6.92
#FFFFFF	6.92	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BD

Deuteranopia (green-blind)

#0054B7

Tritanopia (blue-blind)

#006C7E

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2a53b9;
/* rgb */ color: rgb(42, 83, 185);
/* oklch */ color: oklch(47.5% 0.168 264.3);

Tailwind

colors: {
  custom: {
    50: '#7982cf',
    500: '#2a53b9',
    950: '#000000',
  },
}

SCSS

$custom: #2a53b9;
$custom-light: #7982cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2a53b9",
  "rgb": {
    "r": 42,
    "g": 83,
    "b": 185
  },
  "hsl": {
    "h": 222.797,
    "s": 62.996,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47513,
    "c": 0.16796,
    "h": 264.3
  },
  "luminance": 0.10182
}

Semantic roles & 50–950 ramp

primary

#2A53B9

secondary

#CAB175

accent

#B742E6

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2A53B9

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

Preview Lab → · Contrast checker → · Palette generator →