#2B53B9#2B53B9

#2B53B9 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.6% C 0.168 H 264.6°. Best body text is #FFFFFF at 6.91:1 contrast (WCAG AA passes).

Color values

HEX	#2B53B9
RGB	rgb(43, 83, 185)
HSL	hsl(223, 62%, 45%)
HSV	hsv(223, 77%, 73%)
CMYK	cmyk(76.8%, 55.1%, 0%, 27.5%)
CIE-LAB	lab(38.20, 22.95, -57.89)
CIE-LCH	lch(38.20, 62.28, 291.62°)
OKLab	oklab(47.55% -0.0158 -0.1669)
OKLCH	oklch(47.55% 0.168 264.6)
XYZ	xyz(12.8434, 10.2014, 47.1817)
Luminance	0.1020 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B53B9 #B9912B

analogous

#2B9AB9 #2B53B9 #4A2BB9

triadic

#2B53B9 #B92B53 #53B92B

tetradic

#2B53B9 #B92B9A #B9912B #2BB94A

square

#2B53B9 #B92B9A #B9912B #2BB94A

split-complementary

#2B53B9 #B94A2B #9AB92B

monochromatic

#142656 #1F3D87 #2B53B9 #4C73D5 #7E99E1

Accessibility & contrast

On white

6.91

#2B53B9 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.04

#2B53B9 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B53B9

6.91:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B53B9	#FFFFFF	#000000	##FFFFFF
##2B53B9	1.00	6.91	3.04	6.91
#FFFFFF	6.91	1.00	21.00	1.00
#000000	3.04	21.00	1.00	21.00
##FFFFFF	6.91	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: #2b53b9;
/* rgb */ color: rgb(43, 83, 185);
/* oklch */ color: oklch(47.6% 0.168 264.6);

Tailwind

colors: {
  custom: {
    50: '#7a82cf',
    500: '#2b53b9',
    950: '#000000',
  },
}

SCSS

$custom: #2b53b9;
$custom-light: #7a82cf;
$custom-dark: #000000;

JSON

{
  "hex": "#2b53b9",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 185
  },
  "hsl": {
    "h": 223.099,
    "s": 62.281,
    "l": 44.706
  },
  "oklch": {
    "l": 0.47552,
    "c": 0.16769,
    "h": 264.6
  },
  "luminance": 0.10203
}

Semantic roles & 50–950 ramp

primary

#2B53B9

secondary

#C9B276

accent

#B742E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2B53B9

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

Preview Lab → · Contrast checker → · Palette generator →