#2963BB#2963BB

#2963BB is a mid, vivid blue. Relative luminance 0.130; OKLCH L 51.0% C 0.151 H 258.8°. Best body text is #FFFFFF at 5.84:1 contrast (WCAG AA passes).

Color values

HEX	#2963BB
RGB	rgb(41, 99, 187)
HSL	hsl(216, 64%, 45%)
HSV	hsv(216, 78%, 73%)
CMYK	cmyk(78.1%, 47.1%, 0%, 26.7%)
CIE-LAB	lab(42.74, 13.03, -51.74)
CIE-LCH	lch(42.74, 53.35, 284.13°)
OKLab	oklab(51.04% -0.0293 -0.1486)
OKLCH	oklch(51.04% 0.151 258.8)
XYZ	xyz(14.3427, 12.9813, 48.7538)
Luminance	0.1298 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2963BB #BB8129

analogous

#29ACBB #2963BB #3829BB

triadic

#2963BB #BB2963 #63BB29

tetradic

#2963BB #BB29AC #BB8129 #29BB38

square

#2963BB #BB29AC #BB8129 #29BB38

split-complementary

#2963BB #BB3829 #ACBB29

monochromatic

#132E57 #1E4889 #2963BB #4A82D7 #7CA5E2

Accessibility & contrast

On white

5.84

#2963BB on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.60

#2963BB on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2963BB

5.84:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2963BB	#FFFFFF	#000000	##FFFFFF
##2963BB	1.00	5.84	3.60	5.84
#FFFFFF	5.84	1.00	21.00	1.00
#000000	3.60	21.00	1.00	21.00
##FFFFFF	5.84	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#336CBE

Deuteranopia (green-blind)

#075FB9

Tritanopia (blue-blind)

#007886

Achromatopsia (no color)

#656565

Design tokens & code

CSS

--color: #2963bb;
/* rgb */ color: rgb(41, 99, 187);
/* oklch */ color: oklch(51.0% 0.151 258.8);

Tailwind

colors: {
  custom: {
    50: '#798ed0',
    500: '#2963bb',
    950: '#000000',
  },
}

SCSS

$custom: #2963bb;
$custom-light: #798ed0;
$custom-dark: #000000;

JSON

{
  "hex": "#2963bb",
  "rgb": {
    "r": 41,
    "g": 99,
    "b": 187
  },
  "hsl": {
    "h": 216.164,
    "s": 64.035,
    "l": 44.706
  },
  "oklch": {
    "l": 0.51035,
    "c": 0.15143,
    "h": 258.8
  },
  "luminance": 0.12983
}

Semantic roles & 50–950 ramp

primary

#2963BB

secondary

#CBA975

accent

#A541E7

background

#F8F8FC

surface

#EFF0F9

border

#CACBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2963BB

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

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