#2963B8#2963B8

#2963B8 is a mid, vivid blue. Relative luminance 0.129; OKLCH L 50.8% C 0.147 H 258.3°. Best body text is #FFFFFF at 5.88:1 contrast (WCAG AA passes).

Color values

HEX	#2963B8
RGB	rgb(41, 99, 184)
HSL	hsl(216, 64%, 44%)
HSV	hsv(216, 78%, 72%)
CMYK	cmyk(77.7%, 46.2%, 0%, 27.8%)
CIE-LAB	lab(42.54, 11.88, -50.30)
CIE-LCH	lch(42.54, 51.68, 283.28°)
OKLab	oklab(50.83% -0.0299 -0.1443)
OKLCH	oklch(50.83% 0.147 258.3)
XYZ	xyz(14.0249, 12.8542, 47.0800)
Luminance	0.1286 (WCAG relative)
Temperature	cool
Family	blue

Closest named colors

Perceptual scales

Shades

Tints

Tones

OKLCH scale

Color harmonies

complementary

#2963B8 #B87E29

analogous

#29ABB8 #2963B8 #3629B8

triadic

#2963B8 #B82963 #63B829

tetradic

#2963B8 #B829AB #B87E29 #29B836

square

#2963B8 #B829AB #B87E29 #29B836

split-complementary

#2963B8 #B83629 #ABB829

monochromatic

#132D54 #1E4886 #2963B8 #4882D6 #7AA4E1

Accessibility & contrast

On white

5.88

#2963B8 on #FFFFFF

AA ✓AA large ✓AAA ✗

On black

3.57

#2963B8 on #000000

AA ✗AA large ✓AAA ✗

Best text color

#FFFFFF on #2963B8

5.88:1 — WCAG AA (normal text) passes

Contrast matrix

fg \ bg	##2963B8	#FFFFFF	#000000	##FFFFFF
##2963B8	1.00	5.88	3.57	5.88
#FFFFFF	5.88	1.00	21.00	1.00
#000000	3.57	21.00	1.00	21.00
##FFFFFF	5.88	1.00	21.00	1.00

Color blindness preview

Protanopia (red-blind)

#366BBB

Deuteranopia (green-blind)

#125EB6

Tritanopia (blue-blind)

#007784

Achromatopsia (no color)

#646464

Design tokens & code

CSS

--color: #2963b8;
/* rgb */ color: rgb(41, 99, 184);
/* oklch */ color: oklch(50.8% 0.147 258.3);

Tailwind

colors: {
  custom: {
    50: '#788ece',
    500: '#2963b8',
    950: '#000000',
  },
}

SCSS

$custom: #2963b8;
$custom-light: #788ece;
$custom-dark: #000000;

JSON

{
  "hex": "#2963b8",
  "rgb": {
    "r": 41,
    "g": 99,
    "b": 184
  },
  "hsl": {
    "h": 215.664,
    "s": 63.556,
    "l": 44.118
  },
  "oklch": {
    "l": 0.50825,
    "c": 0.14739,
    "h": 258.3
  },
  "luminance": 0.12856
}

Semantic roles & 50–950 ramp

primary

#2963B8

secondary

#C9A773

accent

#A441E7

background

#F7F8FC

surface

#EEF0F9

border

#C9CBD2

text

#0A0C14

muted

#7C7D82

Preview Lab

Preview with #2963B8

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

Preview Lab → · Contrast checker → · Palette generator →