#2B5CB2#2B5CB2

#2B5CB2 is a mid, vivid blue. Relative luminance 0.114; OKLCH L 48.9% C 0.147 H 260.7°. Best body text is #FFFFFF at 6.41:1 contrast (WCAG AA passes).

Color values

HEX	#2B5CB2
RGB	rgb(43, 92, 178)
HSL	hsl(218, 61%, 43%)
HSV	hsv(218, 76%, 70%)
CMYK	cmyk(75.8%, 48.3%, 0%, 30.2%)
CIE-LAB	lab(40.21, 14.36, -50.53)
CIE-LCH	lch(40.21, 52.53, 285.86°)
OKLab	oklab(48.93% -0.0237 -0.1451)
OKLCH	oklch(48.93% 0.147 260.7)
XYZ	xyz(12.8564, 11.3808, 43.6300)
Luminance	0.1138 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B5CB2 #B2812B

analogous

#2B9FB2 #2B5CB2 #3D2BB2

triadic

#2B5CB2 #B22B5C #5CB22B

tetradic

#2B5CB2 #B22B9F #B2812B #2BB23D

square

#2B5CB2 #B22B9F #B2812B #2BB23D

split-complementary

#2B5CB2 #B23D2B #9FB22B

monochromatic

#13294F #1F4381 #2B5CB2 #487AD3 #799EDF

Accessibility & contrast

On white

6.41

#2B5CB2 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.28

#2B5CB2 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B5CB2

6.41:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B5CB2	#FFFFFF	#000000	##FFFFFF
##2B5CB2	1.00	6.41	3.28	6.41
#FFFFFF	6.41	1.00	21.00	1.00
#000000	3.28	21.00	1.00	21.00
##FFFFFF	6.41	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2C65B5

Deuteranopia (green-blind)

#0059B0

Tritanopia (blue-blind)

#00707E

Achromatopsia (no color)

#5F5F5F

Design tokens & code

CSS

--color: #2b5cb2;
/* rgb */ color: rgb(43, 92, 178);
/* oklch */ color: oklch(48.9% 0.147 260.7);

Tailwind

colors: {
  custom: {
    50: '#7889ca',
    500: '#2b5cb2',
    950: '#000000',
  },
}

SCSS

$custom: #2b5cb2;
$custom-light: #7889ca;
$custom-dark: #000000;

JSON

{
  "hex": "#2b5cb2",
  "rgb": {
    "r": 43,
    "g": 92,
    "b": 178
  },
  "hsl": {
    "h": 218.222,
    "s": 61.086,
    "l": 43.333
  },
  "oklch": {
    "l": 0.48928,
    "c": 0.14702,
    "h": 260.7
  },
  "luminance": 0.11382
}

Semantic roles & 50–950 ramp

primary

#2B5CB2

secondary

#C7A872

accent

#AA44E4

background

#F7F8FC

surface

#EEF0F8

border

#C9CBD1

text

#0A0B13

muted

#7C7C82

Preview Lab

Preview with #2B5CB2

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

Preview Lab → · Contrast checker → · Palette generator →