#2B5CB8#2B5CB8

#2B5CB8 is a mid, vivid blue. Relative luminance 0.116; OKLCH L 49.4% C 0.155 H 261.5°. Best body text is #FFFFFF at 6.31:1 contrast (WCAG AA passes).

Color values

HEX	#2B5CB8
RGB	rgb(43, 92, 184)
HSL	hsl(219, 62%, 45%)
HSV	hsv(219, 77%, 72%)
CMYK	cmyk(76.6%, 50%, 0%, 27.8%)
CIE-LAB	lab(40.62, 16.66, -53.40)
CIE-LCH	lch(40.62, 55.94, 287.32°)
OKLab	oklab(49.36% -0.0228 -0.1535)
OKLCH	oklch(49.36% 0.155 261.5)
XYZ	xyz(13.4720, 11.6270, 46.8723)
Luminance	0.1163 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5CB8 #B8872B

analogous

#2BA3B8 #2B5CB8 #412BB8

triadic

#2B5CB8 #B82B5C #5CB82B

tetradic

#2B5CB8 #B82BA3 #B8872B #2BB841

square

#2B5CB8 #B82BA3 #B8872B #2BB841

split-complementary

#2B5CB8 #B8412B #A3B82B

monochromatic

#142A55 #1F4386 #2B5CB8 #4B7BD5 #7D9FE1

Accessibility & contrast

On white

6.31

#2B5CB8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.33

#2B5CB8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5CB8

6.31:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5CB8	#FFFFFF	#000000	##FFFFFF
##2B5CB8	1.00	6.31	3.33	6.31
#FFFFFF	6.31	1.00	21.00	1.00
#000000	3.33	21.00	1.00	21.00
##FFFFFF	6.31	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2567BB

Deuteranopia (green-blind)

#005AB6

Tritanopia (blue-blind)

#007281

Achromatopsia (no color)

#606060

Design tokens & code

CSS

--color: #2b5cb8;
/* rgb */ color: rgb(43, 92, 184);
/* oklch */ color: oklch(49.4% 0.155 261.5);

Tailwind

colors: {
  custom: {
    50: '#7989ce',
    500: '#2b5cb8',
    950: '#000000',
  },
}

SCSS

$custom: #2b5cb8;
$custom-light: #7989ce;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5cb8",
  "rgb": {
    "r": 43,
    "g": 92,
    "b": 184
  },
  "hsl": {
    "h": 219.149,
    "s": 62.115,
    "l": 44.51
  },
  "oklch": {
    "l": 0.49365,
    "c": 0.15524,
    "h": 261.5
  },
  "luminance": 0.11629
}

Semantic roles & 50–950 ramp

primary

#2B5CB8

secondary

#C9AC76

accent

#AD43E5

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0B14

muted

#7C7C82

Preview Lab

Preview with #2B5CB8

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

Preview Lab → · Contrast checker → · Palette generator →