#2963BD#2963BD

#2963BD is a mid, vivid blue. Relative luminance 0.131; OKLCH L 51.2% C 0.154 H 259.2°. Best body text is #FFFFFF at 5.81:1 contrast (WCAG AA passes).

Color values

HEX	#2963BD
RGB	rgb(41, 99, 189)
HSL	hsl(216, 64%, 45%)
HSV	hsv(216, 78%, 74%)
CMYK	cmyk(78.3%, 47.6%, 0%, 25.9%)
CIE-LAB	lab(42.86, 13.79, -52.70)
CIE-LCH	lch(42.86, 54.47, 284.67°)
OKLab	oklab(51.18% -0.029 -0.1514)
OKLCH	oklch(51.18% 0.154 259.2)
XYZ	xyz(14.5582, 13.0675, 49.8893)
Luminance	0.1307 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2963BD #BD8329

analogous

#29ADBD #2963BD #3929BD

triadic

#2963BD #BD2963 #63BD29

tetradic

#2963BD #BD29AD #BD8329 #29BD39

square

#2963BD #BD29AD #BD8329 #29BD39

split-complementary

#2963BD #BD3929 #ADBD29

monochromatic

#132E58 #1E498B #2963BD #4B82D8 #7DA5E3

Accessibility & contrast

On white

5.81

#2963BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.61

#2963BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2963BD

5.81:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2963BD	#FFFFFF	#000000	##FFFFFF
##2963BD	1.00	5.81	3.61	5.81
#FFFFFF	5.81	1.00	21.00	1.00
#000000	3.61	21.00	1.00	21.00
##FFFFFF	5.81	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#316CC0

Deuteranopia (green-blind)

#005FBB

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2963bd;
/* rgb */ color: rgb(41, 99, 189);
/* oklch */ color: oklch(51.2% 0.154 259.2);

Tailwind

colors: {
  custom: {
    50: '#798ed1',
    500: '#2963bd',
    950: '#000000',
  },
}

SCSS

$custom: #2963bd;
$custom-light: #798ed1;
$custom-dark: #000000;

JSON

{
  "hex": "#2963bd",
  "rgb": {
    "r": 41,
    "g": 99,
    "b": 189
  },
  "hsl": {
    "h": 216.486,
    "s": 64.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51176,
    "c": 0.15412,
    "h": 259.2
  },
  "luminance": 0.13069
}

Semantic roles & 50–950 ramp

primary

#2963BD

secondary

#CBAA77

accent

#A640E7

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2963BD

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

Preview Lab → · Contrast checker → · Palette generator →