#2964BD#2964BD

#2964BD is a mid, vivid blue. Relative luminance 0.133; OKLCH L 51.4% C 0.153 H 258.8°. Best body text is #FFFFFF at 5.75:1 contrast (WCAG AA passes).

Color values

HEX	#2964BD
RGB	rgb(41, 100, 189)
HSL	hsl(216, 64%, 45%)
HSV	hsv(216, 78%, 74%)
CMYK	cmyk(78.3%, 47.1%, 0%, 25.9%)
CIE-LAB	lab(43.15, 13.15, -52.24)
CIE-LCH	lch(43.15, 53.87, 284.13°)
OKLab	oklab(51.4% -0.0298 -0.15)
OKLCH	oklch(51.4% 0.153 258.8)
XYZ	xyz(14.6536, 13.2582, 49.9210)
Luminance	0.1326 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2964BD #BD8229

analogous

#29AEBD #2964BD #3829BD

triadic

#2964BD #BD2964 #64BD29

tetradic

#2964BD #BD29AE #BD8229 #29BD38

square

#2964BD #BD29AE #BD8229 #29BD38

split-complementary

#2964BD #BD3829 #AEBD29

monochromatic

#132F58 #1E498B #2964BD #4B83D8 #7DA6E3

Accessibility & contrast

On white

5.75

#2964BD on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.65

#2964BD on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2964BD

5.75:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2964BD	#FFFFFF	#000000	##FFFFFF
##2964BD	1.00	5.75	3.65	5.75
#FFFFFF	5.75	1.00	21.00	1.00
#000000	3.65	21.00	1.00	21.00
##FFFFFF	5.75	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336DC0

Deuteranopia (green-blind)

#0660BB

Tritanopia (blue-blind)

#007987

Achromatopsia (no color)

#666666

Design tokens & code

CSS

--color: #2964bd;
/* rgb */ color: rgb(41, 100, 189);
/* oklch */ color: oklch(51.4% 0.153 258.8);

Tailwind

colors: {
  custom: {
    50: '#798fd1',
    500: '#2964bd',
    950: '#000000',
  },
}

SCSS

$custom: #2964bd;
$custom-light: #798fd1;
$custom-dark: #000000;

JSON

{
  "hex": "#2964bd",
  "rgb": {
    "r": 41,
    "g": 100,
    "b": 189
  },
  "hsl": {
    "h": 216.081,
    "s": 64.348,
    "l": 45.098
  },
  "oklch": {
    "l": 0.51396,
    "c": 0.15293,
    "h": 258.8
  },
  "luminance": 0.1326
}

Semantic roles & 50–950 ramp

primary

#2964BD

secondary

#CBA977

accent

#A540E7

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0B0C14

muted

#7C7D82

Preview Lab

Preview with #2964BD

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

Preview Lab → · Contrast checker → · Palette generator →