#2B5ECC#2B5ECC

#2B5ECC is a mid, vivid blue. Relative luminance 0.129; OKLCH L 51.3% C 0.180 H 262.9°. Best body text is #FFFFFF at 5.87:1 contrast (WCAG AA passes).

Color values

HEX	#2B5ECC
RGB	rgb(43, 94, 204)
HSL	hsl(221, 65%, 48%)
HSV	hsv(221, 79%, 80%)
CMYK	cmyk(78.9%, 53.9%, 0%, 20%)
CIE-LAB	lab(42.58, 22.98, -61.84)
CIE-LCH	lch(42.58, 65.97, 290.39°)
OKLab	oklab(51.3% -0.0221 -0.1783)
OKLCH	oklch(51.3% 0.18 262.9)
XYZ	xyz(15.8941, 12.8768, 58.7628)
Luminance	0.1288 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5ECC #CC992B

analogous

#2BAECC #2B5ECC #492BCC

triadic

#2B5ECC #CC2B5E #5ECC2B

tetradic

#2B5ECC #CC2BAE #CC992B #2BCC49

square

#2B5ECC #CC2BAE #CC992B #2BCC49

split-complementary

#2B5ECC #CC492B #AECC2B

monochromatic

#162F67 #204799 #2B5ECC #5882DC #8BA8E7

Accessibility & contrast

On white

5.87

#2B5ECC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.58

#2B5ECC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5ECC

5.87:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5ECC	#FFFFFF	#000000	##FFFFFF
##2B5ECC	1.00	5.87	3.58	5.87
#FFFFFF	5.87	1.00	21.00	1.00
#000000	3.58	21.00	1.00	21.00
##FFFFFF	5.87	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#006CD0

Deuteranopia (green-blind)

#005DCA

Tritanopia (blue-blind)

#00798C

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2b5ecc;
/* rgb */ color: rgb(43, 94, 204);
/* oklch */ color: oklch(51.3% 0.180 262.9);

Tailwind

colors: {
  custom: {
    50: '#7d8bdc',
    500: '#2b5ecc',
    950: '#000000',
  },
}

SCSS

$custom: #2b5ecc;
$custom-light: #7d8bdc;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5ecc",
  "rgb": {
    "r": 43,
    "g": 94,
    "b": 204
  },
  "hsl": {
    "h": 220.994,
    "s": 65.182,
    "l": 48.431
  },
  "oklch": {
    "l": 0.51304,
    "c": 0.17971,
    "h": 262.9
  },
  "luminance": 0.12879
}

Semantic roles & 50–950 ramp

primary

#2B5ECC

secondary

#D0B882

accent

#B340E8

background

#F8F8FD

surface

#F0F0FB

border

#CBCBD4

text

#0B0B15

muted

#7C7C83

Preview Lab

Preview with #2B5ECC

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

Preview Lab → · Contrast checker → · Palette generator →