#2B5ECA#2B5ECA

#2B5ECA is a mid, vivid blue. Relative luminance 0.128; OKLCH L 51.1% C 0.177 H 262.8°. Best body text is #FFFFFF at 5.90:1 contrast (WCAG AA passes).

Color values

HEX	#2B5ECA
RGB	rgb(43, 94, 202)
HSL	hsl(221, 65%, 48%)
HSV	hsv(221, 79%, 79%)
CMYK	cmyk(78.7%, 53.5%, 0%, 20.8%)
CIE-LAB	lab(42.43, 22.22, -60.92)
CIE-LCH	lch(42.43, 64.85, 290.04°)
OKLab	oklab(51.15% -0.0223 -0.1756)
OKLCH	oklch(51.15% 0.177 262.8)
XYZ	xyz(15.6558, 12.7814, 57.5076)
Luminance	0.1278 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5ECA #CA972B

analogous

#2BADCA #2B5ECA #482BCA

triadic

#2B5ECA #CA2B5E #5ECA2B

tetradic

#2B5ECA #CA2BAD #CA972B #2BCA48

square

#2B5ECA #CA2BAD #CA972B #2BCA48

split-complementary

#2B5ECA #CA482B #ADCA2B

monochromatic

#162F65 #204798 #2B5ECA #5781DB #89A7E6

Accessibility & contrast

On white

5.90

#2B5ECA on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.56

#2B5ECA on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5ECA

5.90:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5ECA	#FFFFFF	#000000	##FFFFFF
##2B5ECA	1.00	5.90	3.56	5.90
#FFFFFF	5.90	1.00	21.00	1.00
#000000	3.56	21.00	1.00	21.00
##FFFFFF	5.90	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#026CCE

Deuteranopia (green-blind)

#005DC8

Tritanopia (blue-blind)

#00788B

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2b5eca;
/* rgb */ color: rgb(43, 94, 202);
/* oklch */ color: oklch(51.1% 0.177 262.8);

Tailwind

colors: {
  custom: {
    50: '#7d8bdb',
    500: '#2b5eca',
    950: '#000000',
  },
}

SCSS

$custom: #2b5eca;
$custom-light: #7d8bdb;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5eca",
  "rgb": {
    "r": 43,
    "g": 94,
    "b": 202
  },
  "hsl": {
    "h": 220.755,
    "s": 64.898,
    "l": 48.039
  },
  "oklch": {
    "l": 0.51148,
    "c": 0.17706,
    "h": 262.8
  },
  "luminance": 0.12783
}

Semantic roles & 50–950 ramp

primary

#2B5ECA

secondary

#D0B781

accent

#B240E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2B5ECA

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

Preview Lab → · Contrast checker → · Palette generator →