#2B61BB#2B61BB

#2B61BB is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.7% C 0.153 H 260.1°. Best body text is #FFFFFF at 5.95:1 contrast (WCAG AA passes).

Color values

HEX	#2B61BB
RGB	rgb(43, 97, 187)
HSL	hsl(218, 63%, 45%)
HSV	hsv(218, 77%, 73%)
CMYK	cmyk(77%, 48.1%, 0%, 26.7%)
CIE-LAB	lab(42.23, 14.55, -52.55)
CIE-LCH	lch(42.23, 54.53, 285.48°)
OKLab	oklab(50.67% -0.0264 -0.151)
OKLCH	oklch(50.67% 0.153 260.1)
XYZ	xyz(14.2373, 12.6492, 48.6953)
Luminance	0.1265 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2B61BB #BB852B

analogous

#2BA9BB #2B61BB #3D2BBB

triadic

#2B61BB #BB2B61 #61BB2B

tetradic

#2B61BB #BB2BA9 #BB852B #2BBB3D

square

#2B61BB #BB2BA9 #BB852B #2BBB3D

split-complementary

#2B61BB #BB3D2B #A9BB2B

monochromatic

#142D57 #204789 #2B61BB #4D80D6 #7FA4E2

Accessibility & contrast

On white

5.95

#2B61BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.53

#2B61BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2B61BB

5.95:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2B61BB	#FFFFFF	#000000	##FFFFFF
##2B61BB	1.00	5.95	3.53	5.95
#FFFFFF	5.95	1.00	21.00	1.00
#000000	3.53	21.00	1.00	21.00
##FFFFFF	5.95	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#2E6BBE

Deuteranopia (green-blind)

#005EB9

Tritanopia (blue-blind)

#007685

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2b61bb;
/* rgb */ color: rgb(43, 97, 187);
/* oklch */ color: oklch(50.7% 0.153 260.1);

Tailwind

colors: {
  custom: {
    50: '#798dd0',
    500: '#2b61bb',
    950: '#000000',
  },
}

SCSS

$custom: #2b61bb;
$custom-light: #798dd0;
$custom-dark: #000000;

JSON

{
  "hex": "#2b61bb",
  "rgb": {
    "r": 43,
    "g": 97,
    "b": 187
  },
  "hsl": {
    "h": 217.5,
    "s": 62.609,
    "l": 45.098
  },
  "oklch": {
    "l": 0.50665,
    "c": 0.15325,
    "h": 260.1
  },
  "luminance": 0.12651
}

Semantic roles & 50–950 ramp

primary

#2B61BB

secondary

#CAAB78

accent

#A842E6

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2B61BB

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

Preview Lab → · Contrast checker → · Palette generator →