#2B5EBC#2B5EBC

#2B5EBC is a mid, vivid blue. Relative luminance 0.121; OKLCH L 50.1% C 0.158 H 261.3°. Best body text is #FFFFFF at 6.12:1 contrast (WCAG AA passes).

Color values

HEX	#2B5EBC
RGB	rgb(43, 94, 188)
HSL	hsl(219, 63%, 45%)
HSV	hsv(219, 77%, 74%)
CMYK	cmyk(77.1%, 50%, 0%, 26.3%)
CIE-LAB	lab(41.45, 16.88, -54.39)
CIE-LCH	lch(41.45, 56.95, 287.24°)
OKLab	oklab(50.09% -0.0239 -0.1564)
OKLCH	oklch(50.09% 0.158 261.3)
XYZ	xyz(14.0728, 12.1482, 49.1704)
Luminance	0.1215 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5EBC #BC892B

analogous

#2BA6BC #2B5EBC #412BBC

triadic

#2B5EBC #BC2B5E #5EBC2B

tetradic

#2B5EBC #BC2BA6 #BC892B #2BBC41

square

#2B5EBC #BC2BA6 #BC892B #2BBC41

split-complementary

#2B5EBC #BC412B #A6BC2B

monochromatic

#142C58 #20458A #2B5EBC #4E7ED6 #80A2E2

Accessibility & contrast

On white

6.12

#2B5EBC on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.43

#2B5EBC on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5EBC

6.12:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5EBC	#FFFFFF	#000000	##FFFFFF
##2B5EBC	1.00	6.12	3.43	6.12
#FFFFFF	6.12	1.00	21.00	1.00
#000000	3.43	21.00	1.00	21.00
##FFFFFF	6.12	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2569BF

Deuteranopia (green-blind)

#005CBA

Tritanopia (blue-blind)

#007584

Achromatopsia (no color)

#626262

Design tokens & code

CSS

--color: #2b5ebc;
/* rgb */ color: rgb(43, 94, 188);
/* oklch */ color: oklch(50.1% 0.158 261.3);

Tailwind

colors: {
  custom: {
    50: '#7a8bd1',
    500: '#2b5ebc',
    950: '#000000',
  },
}

SCSS

$custom: #2b5ebc;
$custom-light: #7a8bd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5ebc",
  "rgb": {
    "r": 43,
    "g": 94,
    "b": 188
  },
  "hsl": {
    "h": 218.897,
    "s": 62.771,
    "l": 45.294
  },
  "oklch": {
    "l": 0.50089,
    "c": 0.15824,
    "h": 261.3
  },
  "luminance": 0.1215
}

Semantic roles & 50–950 ramp

primary

#2B5EBC

secondary

#CBAE78

accent

#AC42E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0B14

muted

#7C7C82

Preview Lab

Preview with #2B5EBC

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

Preview Lab → · Contrast checker → · Palette generator →