#2963B5#2963B5

#2963B5 is a mid, vivid blue. Relative luminance 0.127; OKLCH L 50.6% C 0.143 H 257.8°. Best body text is #FFFFFF at 5.92:1 contrast (WCAG AA passes).

Color values

HEX	#2963B5
RGB	rgb(41, 99, 181)
HSL	hsl(215, 63%, 44%)
HSV	hsv(215, 77%, 71%)
CMYK	cmyk(77.3%, 45.3%, 0%, 29%)
CIE-LAB	lab(42.35, 10.72, -48.85)
CIE-LCH	lch(42.35, 50.02, 282.38°)
OKLab	oklab(50.62% -0.0304 -0.1401)
OKLCH	oklch(50.62% 0.143 257.8)
XYZ	xyz(13.7137, 12.7297, 45.4414)
Luminance	0.1273 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2963B5 #B57B29

analogous

#29A9B5 #2963B5 #3529B5

triadic

#2963B5 #B52963 #63B529

tetradic

#2963B5 #B529A9 #B57B29 #29B535

square

#2963B5 #B529A9 #B57B29 #29B535

split-complementary

#2963B5 #B53529 #A9B529

monochromatic

#122C51 #1E4883 #2963B5 #4681D5 #78A3E0

Accessibility & contrast

On white

5.92

#2963B5 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.55

#2963B5 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2963B5

5.92:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2963B5	#FFFFFF	#000000	##FFFFFF
##2963B5	1.00	5.92	3.55	5.92
#FFFFFF	5.92	1.00	21.00	1.00
#000000	3.55	21.00	1.00	21.00
##FFFFFF	5.92	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#386BB8

Deuteranopia (green-blind)

#1A5EB3

Tritanopia (blue-blind)

#007683

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2963b5;
/* rgb */ color: rgb(41, 99, 181);
/* oklch */ color: oklch(50.6% 0.143 257.8);

Tailwind

colors: {
  custom: {
    50: '#778ecc',
    500: '#2963b5',
    950: '#000000',
  },
}

SCSS

$custom: #2963b5;
$custom-light: #778ecc;
$custom-dark: #000000;

JSON

{
  "hex": "#2963b5",
  "rgb": {
    "r": 41,
    "g": 99,
    "b": 181
  },
  "hsl": {
    "h": 215.143,
    "s": 63.063,
    "l": 43.529
  },
  "oklch": {
    "l": 0.50618,
    "c": 0.14333,
    "h": 257.8
  },
  "luminance": 0.12731
}

Semantic roles & 50–950 ramp

primary

#2963B5

secondary

#C8A472

accent

#A242E6

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C13

muted

#7C7D82

Preview Lab

Preview with #2963B5

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

Preview Lab → · Contrast checker → · Palette generator →