#2B53B8#2B53B8

#2B53B8 is a mid, vivid blue. Relative luminance 0.102; OKLCH L 47.5% C 0.166 H 264.5°. Best body text is #FFFFFF at 6.93:1 contrast (WCAG AA passes).

Color values

HEX	#2B53B8
RGB	rgb(43, 83, 184)
HSL	hsl(223, 62%, 45%)
HSV	hsv(223, 77%, 72%)
CMYK	cmyk(76.6%, 54.9%, 0%, 27.8%)
CIE-LAB	lab(38.13, 22.57, -57.43)
CIE-LCH	lch(38.13, 61.70, 291.45°)
OKLab	oklab(47.47% -0.0159 -0.1656)
OKLCH	oklch(47.47% 0.166 264.5)
XYZ	xyz(12.7382, 10.1594, 46.6277)
Luminance	0.1016 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B53B8 #B8902B

analogous

#2B9AB8 #2B53B8 #4A2BB8

triadic

#2B53B8 #B82B53 #53B82B

tetradic

#2B53B8 #B82B9A #B8902B #2BB84A

square

#2B53B8 #B82B9A #B8902B #2BB84A

split-complementary

#2B53B8 #B84A2B #9AB82B

monochromatic

#142655 #1F3D86 #2B53B8 #4B72D5 #7D99E1

Accessibility & contrast

On white

6.93

#2B53B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.03

#2B53B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B53B8

6.93:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B53B8	#FFFFFF	#000000	##FFFFFF
##2B53B8	1.00	6.93	3.03	6.93
#FFFFFF	6.93	1.00	21.00	1.00
#000000	3.03	21.00	1.00	21.00
##FFFFFF	6.93	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#0061BC

Deuteranopia (green-blind)

#0054B6

Tritanopia (blue-blind)

#006C7D

Achromatopsia (no color)

#5A5A5A

Design tokens & code

CSS

--color: #2b53b8;
/* rgb */ color: rgb(43, 83, 184);
/* oklch */ color: oklch(47.5% 0.166 264.5);

Tailwind

colors: {
  custom: {
    50: '#7982ce',
    500: '#2b53b8',
    950: '#000000',
  },
}

SCSS

$custom: #2b53b8;
$custom-light: #7982ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b53b8",
  "rgb": {
    "r": 43,
    "g": 83,
    "b": 184
  },
  "hsl": {
    "h": 222.979,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.47472,
    "c": 0.16633,
    "h": 264.5
  },
  "luminance": 0.10161
}

Semantic roles & 50–950 ramp

primary

#2B53B8

secondary

#C9B176

accent

#B743E5

background

#F8F7FC

surface

#EFEEF9

border

#CAC9D2

text

#0B0A14

muted

#7C7C82

Preview Lab

Preview with #2B53B8

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

Preview Lab → · Contrast checker → · Palette generator →